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FRC?","shockwave-curriculum\u002Flessons\u002Fch01-why-java-for-frc\u002F1.1-why-java-for-frc",{"path":9,"title":10,"stem":11},"\u002Fshockwave-curriculum\u002Flessons\u002Fch01-why-java-for-frc\u002F2-intro-to-algorithms-programming-and-compilers","Intro to Algorithms, Programming and Compilers","shockwave-curriculum\u002Flessons\u002Fch01-why-java-for-frc\u002F1.2-intro-to-algorithms-programming-and-compilers",{"path":13,"title":14,"stem":15},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F1-variables-and-data-types","Variables & Data Types","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.1-variables-and-data-types",{"path":17,"title":18,"stem":19},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2-expressions-and-output","Expressions & Output","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.2-expressions-and-output",{"path":21,"title":22,"stem":23},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F3-assignment-and-input","Assignment & Input","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.3-assignment-and-input",{"path":25,"title":26,"stem":27},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F4-casting-and-ranges-of-values","Casting & Ranges of Values","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.4-casting-and-ranges-of-values",{"path":29,"title":30,"stem":31},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F5-compound-assignment-operators","Compound Assignment Operators","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.5-compound-assignment-operators",{"path":33,"title":34,"stem":35},"\u002Fshockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F1-apis-and-libraries","APIs and Libraries","shockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3.1-apis-and-libraries",{"path":37,"title":38,"stem":39},"\u002Fshockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F2-documentation-with-comments-and-preconditions","Documentation with Comments and Preconditions","shockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3.2-documentation-with-comments-and-preconditions",{"path":41,"title":42,"stem":43},"\u002Fshockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3-packages-and-imports","Packages & Imports","shockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3.3-packages-and-imports",{"path":45,"title":46,"stem":47},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F1-methods-signatures-and-parameters","Methods, Signatures & Parameters","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.1-methods-signatures-and-parameters",{"path":49,"title":50,"stem":51},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F2-calling-class-methods","Calling Class Methods","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.2-calling-class-methods",{"path":53,"title":54,"stem":55},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F3-using-the-math-class","Using the Math Class","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.3-using-the-math-class",{"path":57,"title":58,"stem":59},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4-objects-instances-of-classes","Objects — Instances of Classes","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.4-objects-instances-of-classes",{"path":61,"title":62,"stem":63},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F5-creating-and-initializing-objects-constructors","Creating & Initializing Objects: Constructors","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.5-creating-and-initializing-objects-constructors",{"path":65,"title":66,"stem":67},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F6-calling-instance-methods","Calling Instance Methods","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.6-calling-instance-methods",{"path":69,"title":70,"stem":71},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F1-5.2-if-statements-and-for-loops","Control Structures: if Statements & For Loops","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.1-5.2-if-statements-and-for-loops",{"path":73,"title":74,"stem":75},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F10-nested-iteration","Nested Iteration","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.10-nested-iteration",{"path":77,"title":78,"stem":79},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F11-informal-runtime-analysis-of-loops","Informal Runtime Analysis of Loops","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.11-informal-runtime-analysis-of-loops",{"path":81,"title":82,"stem":83},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F12-switch-statements-and-expressions","switch Statements and Expressions","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.12-switch-statements-and-expressions",{"path":85,"title":86,"stem":87},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F3-algorithms-with-selection-and-repetition","Algorithms with Selection and Repetition","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.3-algorithms-with-selection-and-repetition",{"path":89,"title":90,"stem":91},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F4-boolean-expressions","Boolean Expressions","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.4-boolean-expressions",{"path":93,"title":94,"stem":95},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5-nested-if-statements","Nested if Statements","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.5-nested-if-statements",{"path":97,"title":98,"stem":99},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F6-compound-boolean-expressions","Compound Boolean Expressions","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.6-compound-boolean-expressions",{"path":101,"title":102,"stem":103},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F7-comparing-boolean-expressions-de-morgans-laws","Comparing Boolean Expressions (De Morgan's Laws)","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.7-comparing-boolean-expressions-de-morgans-laws",{"path":105,"title":106,"stem":107},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F8-while-loops","While Loops","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.8-while-loops",{"path":109,"title":110,"stem":111},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F9-implementing-selection-and-iteration-algorithms","Implementing Selection and Iteration Algorithms","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.9-implementing-selection-and-iteration-algorithms",{"path":113,"title":114,"stem":115},"\u002Fshockwave-curriculum\u002Flessons\u002Fch06-strings\u002F1-strings","Strings","shockwave-curriculum\u002Flessons\u002Fch06-strings\u002F6.1-strings",{"path":117,"title":118,"stem":119},"\u002Fshockwave-curriculum\u002Flessons\u002Fch06-strings\u002F2-string-algorithms","String Algorithms","shockwave-curriculum\u002Flessons\u002Fch06-strings\u002F6.2-string-algorithms",{"path":121,"title":122,"stem":123},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F1-anatomy-of-a-java-class","The Class Blueprint","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.1-anatomy-of-a-java-class",{"path":125,"title":126,"stem":127},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F2-methods-how-to-write-them","Methods: How to Write Them","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.2-methods-how-to-write-them",{"path":129,"title":130,"stem":131},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F3-methods-passing-and-returning-references-of-an-object","Methods: Passing & Returning References of an Object","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.3-methods-passing-and-returning-references-of-an-object",{"path":133,"title":134,"stem":135},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F4-class-static-variables-and-methods","Class (static) Variables & Methods","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.4-class-static-variables-and-methods",{"path":137,"title":138,"stem":139},"\u002Fshockwave-curriculum\u002Flessons\u002Fch08-constructors-and-this\u002F1-8.2-constructors-and-this","Constructors & \"this\"","shockwave-curriculum\u002Flessons\u002Fch08-constructors-and-this\u002F8.1-8.2-constructors-and-this",{"path":141,"title":142,"stem":143},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F1-array-creation-and-access","Array Creation and Access","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.1-array-creation-and-access",{"path":145,"title":146,"stem":147},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F2-arraylist-and-its-methods","ArrayList and its Methods","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods",{"path":149,"title":150,"stem":151},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F3-optional-hashmap-dictionary-data-structure","HashMap (Dictionary) Data Structure","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.3-optional-hashmap-dictionary-data-structure",{"path":153,"title":154,"stem":155},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F4-array-traversals","Array Traversals","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.4-array-traversals",{"path":157,"title":158,"stem":159},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F5-implementing-array-algorithms","Implementing Array Algorithms","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.5-implementing-array-algorithms",{"path":161,"title":162,"stem":163},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F6-arraylist-traversals","ArrayList Traversals","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.6-arraylist-traversals",{"path":165,"title":166,"stem":167},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F7-implementing-arraylist-algorithms","Implementing ArrayList Algorithms","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.7-implementing-arraylist-algorithms",{"path":169,"title":170,"stem":171},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F8-using-text-files","Using Text Files","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.8-using-text-files",{"path":173,"title":174,"stem":175},"\u002Fshockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F1-2d-array-creation-and-access","2D Array Creation and Access","shockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F10.1-2d-array-creation-and-access",{"path":177,"title":178,"stem":179},"\u002Fshockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F2-2d-array-traversals-nested-loops","2D Array Traversals: Nested Loops","shockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F10.2-2d-array-traversals-nested-loops",{"path":181,"title":182,"stem":183},"\u002Fshockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F3-implementing-2d-array-algorithms","Implementing 2D Array Algorithms","shockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F10.3-implementing-2d-array-algorithms",{"path":185,"title":186,"stem":187},"\u002Fshockwave-curriculum\u002Flessons\u002Fch11-enums-named-choices\u002F11-enums-named-choices","Enums: Named Choices","shockwave-curriculum\u002Flessons\u002Fch11-enums-named-choices\u002F11-enums-named-choices",{"path":189,"title":190,"stem":191},"\u002Fshockwave-curriculum\u002Flessons\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch","Exceptions & try\u002Fcatch","shockwave-curriculum\u002Flessons\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch",{"path":193,"title":194,"stem":195},"\u002Fshockwave-curriculum\u002Flessons\u002Fch13-common-gotchas\u002F13-common-gotchas","Common Gotchas","shockwave-curriculum\u002Flessons\u002Fch13-common-gotchas\u002F13-common-gotchas",{"path":197,"title":198,"stem":199},"\u002Fshockwave-curriculum\u002Flessons\u002Fch14-why-design-patterns\u002F14-why-design-patterns","Why Design Patterns?","shockwave-curriculum\u002Flessons\u002Fch14-why-design-patterns\u002F14-why-design-patterns",{"path":201,"title":202,"stem":203},"\u002Fshockwave-curriculum\u002Flessons\u002Fch15-advanced-collections\u002F15-advanced-collections","Advanced Collections (Set\u002FQueue\u002FMap)","shockwave-curriculum\u002Flessons\u002Fch15-advanced-collections\u002F15-advanced-collections",{"path":205,"title":206,"stem":207},"\u002Fshockwave-curriculum\u002Flessons\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics","Writing Your Own Generics","shockwave-curriculum\u002Flessons\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics",{"path":209,"title":210,"stem":211},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F1-inheritance-superclass-subclass","Inheritance, Superclass, Subclass","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.1-inheritance-superclass-subclass",{"path":213,"title":214,"stem":215},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F2-inheritance-and-constructors","Inheritance and Constructors","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.2-inheritance-and-constructors",{"path":217,"title":218,"stem":219},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F3-inheritance-hierarchies","Inheritance Hierarchies","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.3-inheritance-hierarchies",{"path":221,"title":222,"stem":223},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F4-object-superclass","Object Superclass","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.4-object-superclass",{"path":225,"title":226,"stem":227},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F5-abstract-classes-and-methods","Abstract Classes and Methods","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.5-abstract-classes-and-methods",{"path":229,"title":230,"stem":231},"\u002Fshockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F1-overriding-methods","Overriding Methods","shockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods",{"path":233,"title":234,"stem":235},"\u002Fshockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F2-super-keyword","super Keyword","shockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.2-super-keyword",{"path":237,"title":238,"stem":239},"\u002Fshockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F3-polymorphism","Polymorphism","shockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.3-polymorphism",{"path":241,"title":242,"stem":243},"\u002Fshockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts","Interfaces as Contracts","shockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts",{"path":245,"title":246,"stem":247},"\u002Fshockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F1-lambdas-and-method-references","Lambdas & Method References","shockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F19.1-lambdas-and-method-references",{"path":249,"title":250,"stem":251},"\u002Fshockwave-curriculum\u002Flessons\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern","The IO-Layer Pattern","shockwave-curriculum\u002Flessons\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern",{"path":253,"title":254,"stem":255},"\u002Fshockwave-curriculum\u002Flessons\u002Fch21-static-factories\u002F21-static-factories","Static Factories","shockwave-curriculum\u002Flessons\u002Fch21-static-factories\u002F21-static-factories",{"path":257,"title":258,"stem":259},"\u002Fshockwave-curriculum\u002Flessons\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern","The Builder Pattern","shockwave-curriculum\u002Flessons\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern",{"path":261,"title":262,"stem":263},"\u002Fshockwave-curriculum\u002Flessons\u002Fch23-encapsulation-and-final\u002F1-scope-and-access","Access, final, and Immutability","shockwave-curriculum\u002Flessons\u002Fch23-encapsulation-and-final\u002F23.1-scope-and-access",{"path":265,"title":266,"stem":267},"\u002Fshockwave-curriculum\u002Flessons\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions","Optional: Avoiding Null Pointer Exceptions","shockwave-curriculum\u002Flessons\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions",{"path":269,"title":270,"stem":271},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F1-what-is-command-based-programming","What Is Command-Based Programming?","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.1-what-is-command-based-programming",{"path":273,"title":274,"stem":275},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F2-commands-and-command-compositions","Commands & Command Compositions","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.2-commands-and-command-compositions",{"path":277,"title":278,"stem":279},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F3-the-command-scheduler","The Command Scheduler","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.3-the-command-scheduler",{"path":281,"title":282,"stem":283},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F4-state-machines-logic","State Machines: Logic","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.4-state-machines-logic",{"path":285,"title":286,"stem":287},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F5-managing-transitions","Managing Transitions","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.5-managing-transitions",{"path":289,"title":290,"stem":291},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F6-binding-commands-to-triggers","Binding Commands to Triggers","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.6-binding-commands-to-triggers",{"path":293,"title":294,"stem":295},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F7-structuring-a-command-based-robot-project","Structuring a Command-Based Robot Project","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.7-structuring-a-command-based-robot-project",{"path":297,"title":298,"stem":299},"\u002Fshockwave-curriculum\u002Flessons\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways","Architecture Takeaways","shockwave-curriculum\u002Flessons\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways",{"path":301,"title":302,"stem":303},"\u002Fshockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F1-abstraction-and-program-design","Abstraction and Program Design","shockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F27.1-abstraction-and-program-design",{"path":305,"title":306,"stem":307},"\u002Fshockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F2-impact-of-program-design","Impact of Program Design","shockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F27.2-impact-of-program-design",{"path":309,"title":310,"stem":311},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F1-searching-algorithms","Searching Algorithms","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.1-searching-algorithms",{"path":313,"title":314,"stem":315},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F2-sorting-algorithms","Sorting Algorithms","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.2-sorting-algorithms",{"path":317,"title":318,"stem":319},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F3-recursion","Recursion","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.3-recursion",{"path":321,"title":322,"stem":323},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F4-recursive-searching-and-sorting","Recursive Searching and Sorting","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.4-recursive-searching-and-sorting",{"path":325,"title":326,"stem":327},"\u002Fshockwave-curriculum\u002Flessons\u002Fch29-git-and-github-basics\u002F1-coming-soon","Git & GitHub Basics — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch29-git-and-github-basics\u002F29.1-coming-soon",{"path":329,"title":330,"stem":331},"\u002Fshockwave-curriculum\u002Flessons\u002Fch30-git-history-and-merging\u002F1-coming-soon","Git — History & Merging — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch30-git-history-and-merging\u002F30.1-coming-soon",{"path":333,"title":334,"stem":335},"\u002Fshockwave-curriculum\u002Flessons\u002Fch31-dev-environment-and-tooling\u002F1-coming-soon","Dev Environment & Tooling — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch31-dev-environment-and-tooling\u002F31.1-coming-soon",{"path":337,"title":338,"stem":339},"\u002Fshockwave-curriculum\u002Flessons\u002Fch32-unit-testing\u002F1-coming-soon","Unit Testing — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch32-unit-testing\u002F32.1-coming-soon",{"path":341,"title":342,"stem":343},"\u002Fshockwave-curriculum\u002Flessons\u002Fch33-advantagekit-autologging\u002F1-coming-soon","AdvantageKit — AutoLogging — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch33-advantagekit-autologging\u002F33.1-coming-soon",{"path":345,"title":346,"stem":347},"\u002Fshockwave-curriculum\u002Flessons\u002Fch34-log-replay\u002F1-coming-soon","Log Replay — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch34-log-replay\u002F34.1-coming-soon",{"path":349,"title":350,"stem":351},"\u002Fshockwave-curriculum\u002Flessons\u002Fch35-advantagescope-i-visualization\u002F1-coming-soon","AdvantageScope I: Visualization — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch35-advantagescope-i-visualization\u002F35.1-coming-soon",{"path":353,"title":354,"stem":355},"\u002Fshockwave-curriculum\u002Flessons\u002Fch36-advantagescope-ii-custom-3d-assets\u002F1-coming-soon","AdvantageScope II: Custom 3D Assets — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch36-advantagescope-ii-custom-3d-assets\u002F36.1-coming-soon",{"path":357,"title":358,"stem":359},"\u002Fshockwave-curriculum\u002Flessons\u002Fch37-autonomous-i\u002F1-coming-soon","Autonomous I — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch37-autonomous-i\u002F37.1-coming-soon",{"path":361,"title":362,"stem":363},"\u002Fshockwave-curriculum\u002Flessons\u002Fch38-autonomous-ii-pathplanner-and-trajectories\u002F1-coming-soon","Autonomous II: PathPlanner & Trajectories — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch38-autonomous-ii-pathplanner-and-trajectories\u002F38.1-coming-soon",{"path":365,"title":366,"stem":367},"\u002Fshockwave-curriculum\u002Flessons\u002Fch39-control-fundamentals\u002F1-coming-soon","Control Fundamentals — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch39-control-fundamentals\u002F39.1-coming-soon",{"path":369,"title":370,"stem":371},"\u002Fshockwave-curriculum\u002Flessons\u002Fch40-motion-profiles\u002F1-coming-soon","Motion Profiles — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch40-motion-profiles\u002F40.1-coming-soon",{"path":373,"title":374,"stem":375},"\u002Fshockwave-curriculum\u002Flessons\u002Fch41-hardware-fundamentals\u002F1-coming-soon","Hardware Fundamentals — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch41-hardware-fundamentals\u002F41.1-coming-soon",{"path":377,"title":378,"stem":379},"\u002Fshockwave-curriculum\u002Flessons\u002Fch42-photonvision\u002F1-coming-soon","PhotonVision — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch42-photonvision\u002F42.1-coming-soon",{"path":381,"title":382,"stem":383},"\u002Fshockwave-curriculum\u002Flessons\u002Fch43-apriltags-and-pose\u002F1-coming-soon","AprilTags & Pose — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch43-apriltags-and-pose\u002F43.1-coming-soon",{"path":385,"title":386,"stem":387},"\u002Fshockwave-curriculum\u002Flessons\u002Fch44-subsystems-i\u002F1-coming-soon","Subsystems I — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch44-subsystems-i\u002F44.1-coming-soon",{"path":389,"title":390,"stem":391},"\u002Fshockwave-curriculum\u002Flessons\u002Fch45-subsystems-ii-advanced\u002F1-coming-soon","Subsystems II — Advanced — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch45-subsystems-ii-advanced\u002F45.1-coming-soon",{"path":393,"title":394,"stem":395},"\u002Fshockwave-curriculum\u002Flessons\u002Fch46-team-utilities-i\u002F1-coming-soon","Team Utilities I — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch46-team-utilities-i\u002F46.1-coming-soon",{"path":397,"title":398,"stem":399},"\u002Fshockwave-curriculum\u002Flessons\u002Fch47-field-constants\u002F1-coming-soon","Field Constants — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch47-field-constants\u002F47.1-coming-soon",{"path":401,"title":402,"stem":403},"\u002Fshockwave-curriculum\u002Flessons\u002Fch48-troubleshooting-i-runtime-debug\u002F1-coming-soon","Troubleshooting I — Runtime Debug — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch48-troubleshooting-i-runtime-debug\u002F48.1-coming-soon",{"path":405,"title":406,"stem":407},"\u002Fshockwave-curriculum\u002Flessons\u002Fch49-troubleshooting-ii-can-and-sim\u002F1-coming-soon","Troubleshooting II: CAN & Sim — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch49-troubleshooting-ii-can-and-sim\u002F49.1-coming-soon",{"path":409,"title":410,"stem":411},"\u002Fshockwave-curriculum\u002Flessons\u002Fch50-vendor-libraries-talonfx\u002F1-coming-soon","Vendor Libraries: TalonFX — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch50-vendor-libraries-talonfx\u002F50.1-coming-soon",{"path":413,"title":414,"stem":415},"\u002Fshockwave-curriculum\u002Flessons\u002Fch51-robot-alerts\u002F1-coming-soon","Robot Alerts — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch51-robot-alerts\u002F51.1-coming-soon",{"path":417,"title":418,"stem":419},"\u002Fshockwave-curriculum\u002Flessons\u002Fch52-wpilib-commands\u002F1-coming-soon","WPILib Commands — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch52-wpilib-commands\u002F52.1-coming-soon",{"path":421,"title":422,"stem":423},"\u002Fshockwave-curriculum\u002Flessons\u002Fch53-wpilib-geometry\u002F1-coming-soon","WPILib Geometry — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch53-wpilib-geometry\u002F53.1-coming-soon",{"path":425,"title":426,"stem":427},"\u002Fshockwave-curriculum\u002Flessons\u002Fch54-networktables\u002F1-coming-soon","NetworkTables — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch54-networktables\u002F54.1-coming-soon",{"path":429,"title":430,"stem":431},"\u002Fshockwave-curriculum\u002Flessons\u002Fch55-command-scheduler\u002F1-coming-soon","Command Scheduler — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch55-command-scheduler\u002F55.1-coming-soon",{"path":433,"title":434,"stem":435},"\u002Fshockwave-curriculum\u002Flessons\u002Fch56-wpilib-timers\u002F1-coming-soon","WPILib Timers — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch56-wpilib-timers\u002F56.1-coming-soon",{"path":437,"title":438,"stem":439},"\u002Fshockwave-curriculum\u002Flessons\u002Fch57-wpilib-triggers\u002F1-coming-soon","WPILib Triggers — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch57-wpilib-triggers\u002F57.1-coming-soon",{"path":441,"title":442,"stem":443},"\u002Fshockwave-curriculum\u002Flessons\u002Fch58-vendor-units-and-conversions\u002F1-coming-soon","Vendor Units & Conversions — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch58-vendor-units-and-conversions\u002F58.1-coming-soon",[445,449,453,457,461,465,469,473,477,481,485,489,493,497,501,505,509,513,517,521,525,529,533,537,541,545,549,553,557,561,565,569,573,577,581,585,589,593,597,601,605,609,613,617,621,625,629,633,637,641,645,649,653,657,661,665,669,673,677,681,685,689,693,697,701,705,709,713,717,721,725,729,733,737,741,745,749],{"path":446,"title":447,"stem":448},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch01-why-java-for-frc\u002F2-intro-to-algorithms-programming-and-compilers","Intro to Algorithms, Programming and Compilers — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch01-why-java-for-frc\u002F1.2-intro-to-algorithms-programming-and-compilers",{"path":450,"title":451,"stem":452},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F1-variables-and-data-types","Variables & Data Types — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.1-variables-and-data-types",{"path":454,"title":455,"stem":456},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2-expressions-and-output","Expressions & Output — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.2-expressions-and-output",{"path":458,"title":459,"stem":460},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F3-assignment-and-input","Assignment & Input — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.3-assignment-and-input",{"path":462,"title":463,"stem":464},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F4-casting-and-ranges-of-values","Casting & Ranges of Values — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.4-casting-and-ranges-of-values",{"path":466,"title":467,"stem":468},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F5-compound-assignment-operators","Compound Assignment Operators — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.5-compound-assignment-operators",{"path":470,"title":471,"stem":472},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F1-apis-and-libraries","APIs and Libraries — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3.1-apis-and-libraries",{"path":474,"title":475,"stem":476},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F2-documentation-with-comments-and-preconditions","Documentation with Comments and Preconditions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3.2-documentation-with-comments-and-preconditions",{"path":478,"title":479,"stem":480},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3-packages-and-imports","Packages & Imports — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3.3-packages-and-imports",{"path":482,"title":483,"stem":484},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F1-methods-signatures-and-parameters","Methods, Signatures & Parameters — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.1-methods-signatures-and-parameters",{"path":486,"title":487,"stem":488},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F2-calling-class-methods","Calling Class Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.2-calling-class-methods",{"path":490,"title":491,"stem":492},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F3-using-the-math-class","Using the Math Class — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.3-using-the-math-class",{"path":494,"title":495,"stem":496},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4-objects-instances-of-classes","Objects — Instances of Classes — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.4-objects-instances-of-classes",{"path":498,"title":499,"stem":500},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F5-creating-and-initializing-objects-constructors","Creating & Initializing Objects: Constructors — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.5-creating-and-initializing-objects-constructors",{"path":502,"title":503,"stem":504},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F6-calling-instance-methods","Calling Instance Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.6-calling-instance-methods",{"path":506,"title":507,"stem":508},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F1-5.2-if-statements-and-for-loops","if Statements & For Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.1-5.2-if-statements-and-for-loops",{"path":510,"title":511,"stem":512},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F10-nested-iteration","Nested Iteration — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.10-nested-iteration",{"path":514,"title":515,"stem":516},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F11-informal-runtime-analysis-of-loops","Informal Runtime Analysis of Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.11-informal-runtime-analysis-of-loops",{"path":518,"title":519,"stem":520},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F12-switch-statements-and-expressions","switch Statements and Expressions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.12-switch-statements-and-expressions",{"path":522,"title":523,"stem":524},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F3-algorithms-with-selection-and-repetition","Algorithms with Selection and Repetition — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.3-algorithms-with-selection-and-repetition",{"path":526,"title":527,"stem":528},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F4-boolean-expressions","Boolean Expressions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.4-boolean-expressions",{"path":530,"title":531,"stem":532},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5-nested-if-statements","Nested if Statements — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.5-nested-if-statements",{"path":534,"title":535,"stem":536},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F6-compound-boolean-expressions","Compound Boolean Expressions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.6-compound-boolean-expressions",{"path":538,"title":539,"stem":540},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F7-comparing-boolean-expressions-de-morgans-laws","Comparing Boolean Expressions (De Morgan's Laws) — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.7-comparing-boolean-expressions-de-morgans-laws",{"path":542,"title":543,"stem":544},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F8-while-loops","While Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.8-while-loops",{"path":546,"title":547,"stem":548},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F9-implementing-selection-and-iteration-algorithms","Implementing Selection and Iteration Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.9-implementing-selection-and-iteration-algorithms",{"path":550,"title":551,"stem":552},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F1-strings","Strings — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F6.1-strings",{"path":554,"title":555,"stem":556},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F2-string-algorithms","String Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F6.2-string-algorithms",{"path":558,"title":559,"stem":560},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F1-anatomy-of-a-java-class","Anatomy of a Java Class — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.1-anatomy-of-a-java-class",{"path":562,"title":563,"stem":564},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F2-methods-how-to-write-them","Methods: How to Write Them — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.2-methods-how-to-write-them",{"path":566,"title":567,"stem":568},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F3-methods-passing-and-returning-references-of-an-object","Methods: Passing & Returning References of an Object — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.3-methods-passing-and-returning-references-of-an-object",{"path":570,"title":571,"stem":572},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F4-class-static-variables-and-methods","Class (static) Variables & Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.4-class-static-variables-and-methods",{"path":574,"title":575,"stem":576},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch08-constructors-and-this\u002F1-8.2-constructors-and-this","Constructors & \"this\" — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch08-constructors-and-this\u002F8.1-8.2-constructors-and-this",{"path":578,"title":579,"stem":580},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F1-array-creation-and-access","Array Creation and Access — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.1-array-creation-and-access",{"path":582,"title":583,"stem":584},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F2-arraylist-and-its-methods","ArrayList and its Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods",{"path":586,"title":587,"stem":588},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F3-optional-hashmap-dictionary-data-structure","HashMap (Dictionary) Data Structure — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.3-optional-hashmap-dictionary-data-structure",{"path":590,"title":591,"stem":592},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F4-array-traversals","Array Traversals — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.4-array-traversals",{"path":594,"title":595,"stem":596},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F5-implementing-array-algorithms","Implementing Array Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.5-implementing-array-algorithms",{"path":598,"title":599,"stem":600},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F6-arraylist-traversals","ArrayList Traversals — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.6-arraylist-traversals",{"path":602,"title":603,"stem":604},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F7-implementing-arraylist-algorithms","Implementing ArrayList Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.7-implementing-arraylist-algorithms",{"path":606,"title":607,"stem":608},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F8-using-text-files","Using Text Files — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.8-using-text-files",{"path":610,"title":611,"stem":612},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F1-2d-array-creation-and-access","2D Array Creation and Access — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F10.1-2d-array-creation-and-access",{"path":614,"title":615,"stem":616},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F2-2d-array-traversals-nested-loops","2D Array Traversals: Nested Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F10.2-2d-array-traversals-nested-loops",{"path":618,"title":619,"stem":620},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F3-implementing-2d-array-algorithms","Implementing 2D Array Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F10.3-implementing-2d-array-algorithms",{"path":622,"title":623,"stem":624},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch11-enums-named-choices\u002F11-enums-named-choices","Enums: Named Choices — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch11-enums-named-choices\u002F11-enums-named-choices",{"path":626,"title":627,"stem":628},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch","Exceptions & try\u002Fcatch — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch",{"path":630,"title":631,"stem":632},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch13-common-gotchas\u002F13-common-gotchas","Common Gotchas — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch13-common-gotchas\u002F13-common-gotchas",{"path":634,"title":635,"stem":636},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch15-advanced-collections\u002F15-advanced-collections","Advanced Collections (Set\u002FQueue\u002FMap) — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch15-advanced-collections\u002F15-advanced-collections",{"path":638,"title":639,"stem":640},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics","Writing Your Own Generics — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics",{"path":642,"title":643,"stem":644},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F1-inheritance-superclass-subclass","Inheritance, Superclass, Subclass — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.1-inheritance-superclass-subclass",{"path":646,"title":647,"stem":648},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F2-inheritance-and-constructors","Inheritance and Constructors — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.2-inheritance-and-constructors",{"path":650,"title":651,"stem":652},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F3-inheritance-hierarchies","Inheritance Hierarchies — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.3-inheritance-hierarchies",{"path":654,"title":655,"stem":656},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F4-object-superclass","Object Superclass — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.4-object-superclass",{"path":658,"title":659,"stem":660},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F5-abstract-classes-and-methods","Abstract Classes and Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.5-abstract-classes-and-methods",{"path":662,"title":663,"stem":664},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F1-overriding-methods","Overriding Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods",{"path":666,"title":667,"stem":668},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F2-super-keyword","super Keyword — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F18.2-super-keyword",{"path":670,"title":671,"stem":672},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F3-polymorphism","Polymorphism — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F18.3-polymorphism",{"path":674,"title":675,"stem":676},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts","Interfaces as Contracts — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts",{"path":678,"title":679,"stem":680},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F1-lambdas-and-method-references","Lambdas & Method References — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F19.1-lambdas-and-method-references",{"path":682,"title":683,"stem":684},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern","The IO-Layer Pattern — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern",{"path":686,"title":687,"stem":688},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch21-static-factories\u002F21-static-factories","Static Factories — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch21-static-factories\u002F21-static-factories",{"path":690,"title":691,"stem":692},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern","The Builder Pattern — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern",{"path":694,"title":695,"stem":696},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch23-encapsulation-and-final\u002F1-scope-and-access","Access, final, and Immutability — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch23-encapsulation-and-final\u002F23.1-scope-and-access",{"path":698,"title":699,"stem":700},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions","Optional: Avoiding Null Pointer Exceptions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions",{"path":702,"title":703,"stem":704},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F1-what-is-command-based-programming","What Is Command-Based Programming? — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.1-what-is-command-based-programming",{"path":706,"title":707,"stem":708},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F2-commands-and-command-compositions","Commands & Command Compositions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.2-commands-and-command-compositions",{"path":710,"title":711,"stem":712},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F3-the-command-scheduler","The Command Scheduler — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.3-the-command-scheduler",{"path":714,"title":715,"stem":716},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F4-state-machines-logic","State Machines: Logic — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.4-state-machines-logic",{"path":718,"title":719,"stem":720},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F5-managing-transitions","Managing Transitions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.5-managing-transitions",{"path":722,"title":723,"stem":724},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F6-binding-commands-to-triggers","Binding Commands to Triggers — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.6-binding-commands-to-triggers",{"path":726,"title":727,"stem":728},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F7-structuring-a-command-based-robot-project","Structuring a Command-Based Robot Project — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.7-structuring-a-command-based-robot-project",{"path":730,"title":731,"stem":732},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways","Architecture Takeaways — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways",{"path":734,"title":735,"stem":736},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch27-program-design-and-abstraction\u002F1-abstraction-and-program-design","Abstraction and Program Design — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch27-program-design-and-abstraction\u002F27.1-abstraction-and-program-design",{"path":738,"title":739,"stem":740},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F1-searching-algorithms","Searching Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.1-searching-algorithms",{"path":742,"title":743,"stem":744},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F2-sorting-algorithms","Sorting Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.2-sorting-algorithms",{"path":746,"title":747,"stem":748},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F3-recursion","Recursion — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.3-recursion",{"path":750,"title":751,"stem":752},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F4-recursive-searching-and-sorting","Recursive Searching and Sorting — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.4-recursive-searching-and-sorting",[754,758,762,766,770,774,778,782,786,790,794,798,802,806,810,814,818,822,826,830,834,838,842,846,850,854,858,862,866,870,874,878,882,886,890,894,898,902,906,910,914,918,922,926,930,934,938,942,946,950,954,958,962,966,970,974,978,982,986,990,994,998,1002,1006,1010,1014,1018,1022,1026,1030,1034,1038,1042,1046,1050,1054,1058,1062,1066],{"path":755,"title":756,"stem":757},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch01-why-java-for-frc\u002F2-intro-to-algorithms-programming-and-compilers","Intro to Algorithms, Programming and Compilers — Exercises","shockwave-curriculum\u002Fexercises\u002Fch01-why-java-for-frc\u002F1.2-intro-to-algorithms-programming-and-compilers",{"path":759,"title":760,"stem":761},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F1-variables-and-data-types","Variables & Data Types — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.1-variables-and-data-types",{"path":763,"title":764,"stem":765},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2-expressions-and-output","Expressions & Output — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.2-expressions-and-output",{"path":767,"title":768,"stem":769},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F3-assignment-and-input","Assignment & Input — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.3-assignment-and-input",{"path":771,"title":772,"stem":773},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F4-casting-and-ranges-of-values","Casting & Ranges of Values — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.4-casting-and-ranges-of-values",{"path":775,"title":776,"stem":777},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F5-compound-assignment-operators","Compound Assignment Operators — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.5-compound-assignment-operators",{"path":779,"title":780,"stem":781},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F1-apis-and-libraries","APIs and Libraries — Exercises","shockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3.1-apis-and-libraries",{"path":783,"title":784,"stem":785},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F2-documentation-with-comments-and-preconditions","Documentation with Comments and Preconditions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3.2-documentation-with-comments-and-preconditions",{"path":787,"title":788,"stem":789},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3-packages-and-imports","Packages & Imports — Exercises","shockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3.3-packages-and-imports",{"path":791,"title":792,"stem":793},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F1-methods-signatures-and-parameters","Methods, Signatures & Parameters — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.1-methods-signatures-and-parameters",{"path":795,"title":796,"stem":797},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F2-calling-class-methods","Calling Class Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.2-calling-class-methods",{"path":799,"title":800,"stem":801},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F3-using-the-math-class","Using the Math Class — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.3-using-the-math-class",{"path":803,"title":804,"stem":805},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4-objects-instances-of-classes","Objects — Instances of Classes — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.4-objects-instances-of-classes",{"path":807,"title":808,"stem":809},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F5-creating-and-initializing-objects-constructors","Creating & Initializing Objects: Constructors — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.5-creating-and-initializing-objects-constructors",{"path":811,"title":812,"stem":813},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F6-calling-instance-methods","Calling Instance Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.6-calling-instance-methods",{"path":815,"title":816,"stem":817},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F1-5.2-if-statements-and-for-loops","if Statements & For Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.1-5.2-if-statements-and-for-loops",{"path":819,"title":820,"stem":821},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F10-nested-iteration","Nested Iteration — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.10-nested-iteration",{"path":823,"title":824,"stem":825},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F11-informal-runtime-analysis-of-loops","Informal Runtime Analysis of Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.11-informal-runtime-analysis-of-loops",{"path":827,"title":828,"stem":829},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F12-switch-statements-and-expressions","switch Statements and Expressions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.12-switch-statements-and-expressions",{"path":831,"title":832,"stem":833},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F3-algorithms-with-selection-and-repetition","Algorithms with Selection and Repetition — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.3-algorithms-with-selection-and-repetition",{"path":835,"title":836,"stem":837},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F4-boolean-expressions","Boolean Expressions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.4-boolean-expressions",{"path":839,"title":840,"stem":841},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5-nested-if-statements","Nested if Statements — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.5-nested-if-statements",{"path":843,"title":844,"stem":845},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F6-compound-boolean-expressions","Compound Boolean Expressions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.6-compound-boolean-expressions",{"path":847,"title":848,"stem":849},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F7-comparing-boolean-expressions-de-morgans-laws","Comparing Boolean Expressions (De Morgan's Laws) — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.7-comparing-boolean-expressions-de-morgans-laws",{"path":851,"title":852,"stem":853},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F8-while-loops","While Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.8-while-loops",{"path":855,"title":856,"stem":857},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F9-implementing-selection-and-iteration-algorithms","Implementing Selection and Iteration Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.9-implementing-selection-and-iteration-algorithms",{"path":859,"title":860,"stem":861},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F1-strings","Strings — Exercises","shockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F6.1-strings",{"path":863,"title":864,"stem":865},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F2-string-algorithms","String Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F6.2-string-algorithms",{"path":867,"title":868,"stem":869},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F1-anatomy-of-a-java-class","Anatomy of a Java Class — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.1-anatomy-of-a-java-class",{"path":871,"title":872,"stem":873},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F2-methods-how-to-write-them","Methods: How to Write Them — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.2-methods-how-to-write-them",{"path":875,"title":876,"stem":877},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F3-methods-passing-and-returning-references-of-an-object","Methods: Passing & Returning References of an Object — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.3-methods-passing-and-returning-references-of-an-object",{"path":879,"title":880,"stem":881},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F4-class-static-variables-and-methods","Class (static) Variables & Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.4-class-static-variables-and-methods",{"path":883,"title":884,"stem":885},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch08-constructors-and-this\u002F1-8.2-constructors-and-this","Constructors & \"this\" — Exercises","shockwave-curriculum\u002Fexercises\u002Fch08-constructors-and-this\u002F8.1-8.2-constructors-and-this",{"path":887,"title":888,"stem":889},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F1-array-creation-and-access","Array Creation and Access — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.1-array-creation-and-access",{"path":891,"title":892,"stem":893},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F2-arraylist-and-its-methods","ArrayList and its Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods",{"path":895,"title":896,"stem":897},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F3-optional-hashmap-dictionary-data-structure","HashMap (Dictionary) Data Structure — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.3-optional-hashmap-dictionary-data-structure",{"path":899,"title":900,"stem":901},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F4-array-traversals","Array Traversals — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.4-array-traversals",{"path":903,"title":904,"stem":905},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F5-implementing-array-algorithms","Implementing Array Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.5-implementing-array-algorithms",{"path":907,"title":908,"stem":909},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F6-arraylist-traversals","ArrayList Traversals — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.6-arraylist-traversals",{"path":911,"title":912,"stem":913},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F7-implementing-arraylist-algorithms","Implementing ArrayList Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.7-implementing-arraylist-algorithms",{"path":915,"title":916,"stem":917},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F8-using-text-files","Using Text Files — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.8-using-text-files",{"path":919,"title":920,"stem":921},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F1-2d-array-creation-and-access","2D Array Creation and Access — Exercises","shockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F10.1-2d-array-creation-and-access",{"path":923,"title":924,"stem":925},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F2-2d-array-traversals-nested-loops","2D Array Traversals: Nested Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F10.2-2d-array-traversals-nested-loops",{"path":927,"title":928,"stem":929},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F3-implementing-2d-array-algorithms","Implementing 2D Array Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F10.3-implementing-2d-array-algorithms",{"path":931,"title":932,"stem":933},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch11-enums-named-choices\u002F11-enums-named-choices","Enums: Named Choices — Exercises","shockwave-curriculum\u002Fexercises\u002Fch11-enums-named-choices\u002F11-enums-named-choices",{"path":935,"title":936,"stem":937},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch","Exceptions & try\u002Fcatch — Exercises","shockwave-curriculum\u002Fexercises\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch",{"path":939,"title":940,"stem":941},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch13-common-gotchas\u002F13-common-gotchas","Common Gotchas — Exercises","shockwave-curriculum\u002Fexercises\u002Fch13-common-gotchas\u002F13-common-gotchas",{"path":943,"title":944,"stem":945},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch14-why-design-patterns\u002F14-why-design-patterns","Why Design Patterns? — Exercises","shockwave-curriculum\u002Fexercises\u002Fch14-why-design-patterns\u002F14-why-design-patterns",{"path":947,"title":948,"stem":949},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch15-advanced-collections\u002F15-advanced-collections","Advanced Collections (Set\u002FQueue\u002FMap) — Exercises","shockwave-curriculum\u002Fexercises\u002Fch15-advanced-collections\u002F15-advanced-collections",{"path":951,"title":952,"stem":953},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics","Writing Your Own Generics — Exercises","shockwave-curriculum\u002Fexercises\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics",{"path":955,"title":956,"stem":957},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F1-inheritance-superclass-subclass","Inheritance, Superclass, Subclass — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.1-inheritance-superclass-subclass",{"path":959,"title":960,"stem":961},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F2-inheritance-and-constructors","Inheritance and Constructors — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.2-inheritance-and-constructors",{"path":963,"title":964,"stem":965},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F3-inheritance-hierarchies","Inheritance Hierarchies — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.3-inheritance-hierarchies",{"path":967,"title":968,"stem":969},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F4-object-superclass","Object Superclass — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.4-object-superclass",{"path":971,"title":972,"stem":973},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F5-abstract-classes-and-methods","Abstract Classes and Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.5-abstract-classes-and-methods",{"path":975,"title":976,"stem":977},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F1-overriding-methods","Overriding Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods",{"path":979,"title":980,"stem":981},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F2-super-keyword","super Keyword — Exercises","shockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F18.2-super-keyword",{"path":983,"title":984,"stem":985},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F3-polymorphism","Polymorphism — Exercises","shockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F18.3-polymorphism",{"path":987,"title":988,"stem":989},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts","Interfaces as Contracts — Exercises","shockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts",{"path":991,"title":992,"stem":993},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F1-lambdas-and-method-references","Lambdas & Method References — Exercises","shockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F19.1-lambdas-and-method-references",{"path":995,"title":996,"stem":997},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern","The IO-Layer Pattern — Exercises","shockwave-curriculum\u002Fexercises\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern",{"path":999,"title":1000,"stem":1001},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch21-static-factories\u002F21-static-factories","Static Factories — Exercises","shockwave-curriculum\u002Fexercises\u002Fch21-static-factories\u002F21-static-factories",{"path":1003,"title":1004,"stem":1005},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern","The Builder Pattern — Exercises","shockwave-curriculum\u002Fexercises\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern",{"path":1007,"title":1008,"stem":1009},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch23-encapsulation-and-final\u002F1-scope-and-access","Access, final, and Immutability — Exercises","shockwave-curriculum\u002Fexercises\u002Fch23-encapsulation-and-final\u002F23.1-scope-and-access",{"path":1011,"title":1012,"stem":1013},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions","Optional: Avoiding Null Pointer Exceptions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions",{"path":1015,"title":1016,"stem":1017},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F1-what-is-command-based-programming","What Is Command-Based Programming? — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.1-what-is-command-based-programming",{"path":1019,"title":1020,"stem":1021},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F2-commands-and-command-compositions","Commands & Command Compositions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.2-commands-and-command-compositions",{"path":1023,"title":1024,"stem":1025},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F3-the-command-scheduler","The Command Scheduler — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.3-the-command-scheduler",{"path":1027,"title":1028,"stem":1029},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F4-state-machines-logic","State Machines: Logic — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.4-state-machines-logic",{"path":1031,"title":1032,"stem":1033},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F5-managing-transitions","Managing Transitions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.5-managing-transitions",{"path":1035,"title":1036,"stem":1037},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F6-binding-commands-to-triggers","Binding Commands to Triggers — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.6-binding-commands-to-triggers",{"path":1039,"title":1040,"stem":1041},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F7-structuring-a-command-based-robot-project","Structuring a Command-Based Robot Project — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.7-structuring-a-command-based-robot-project",{"path":1043,"title":1044,"stem":1045},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways","Architecture Takeaways — Exercises","shockwave-curriculum\u002Fexercises\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways",{"path":1047,"title":1048,"stem":1049},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F1-abstraction-and-program-design","Abstraction and Program Design — Exercises","shockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F27.1-abstraction-and-program-design",{"path":1051,"title":1052,"stem":1053},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F2-impact-of-program-design","Impact of Program Design — Exercises","shockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F27.2-impact-of-program-design",{"path":1055,"title":1056,"stem":1057},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F1-searching-algorithms","Searching Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.1-searching-algorithms",{"path":1059,"title":1060,"stem":1061},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F2-sorting-algorithms","Sorting Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.2-sorting-algorithms",{"path":1063,"title":1064,"stem":1065},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F3-recursion","Recursion — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.3-recursion",{"path":1067,"title":1068,"stem":1069},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F4-recursive-searching-and-sorting","Recursive Searching and Sorting — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.4-recursive-searching-and-sorting",{"id":1071,"title":162,"body":1072,"description":1121,"extension":1421,"meta":1422,"navigation":1425,"path":161,"seo":1426,"stem":163,"__hash__":1427},"lessons\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.6-arraylist-traversals.md",{"type":1073,"value":1074,"toc":1412},"minimark",[1075,1079,1084,1115,1150,1154,1170,1174,1182,1259,1263,1288,1292,1307,1311,1359,1363,1397,1408],[1076,1077,162],"h1",{"id":1078},"arraylist-traversals",[1080,1081,1083],"h2",{"id":1082},"same-loop-shapes-as-arrays","Same Loop Shapes as Arrays",[1085,1086,1087,1088,1092,1093,1096,1097,1100,1101,1104,1105,1092,1108,1104,1111,1114],"p",{},"For-each, indexed ",[1089,1090,1091],"code",{},"for",", and ",[1089,1094,1095],{},"while"," all work on an ",[1089,1098,1099],{},"ArrayList"," — just with ",[1089,1102,1103],{},"get(i)"," instead of ",[1089,1106,1107],{},"[i]",[1089,1109,1110],{},".size()",[1089,1112,1113],{},".length",":",[1116,1117,1122],"pre",{"className":1118,"code":1119,"language":1120,"meta":1121,"style":1121},"language-java shiki shiki-themes github-light github-dark","\u002F\u002F for-each — read-only pass\nfor (String log : logs) { System.out.println(log); }\n\u002F\u002F indexed\nfor (int i = 0; i \u003C logs.size(); i++) { System.out.println(logs.get(i)); }\n","java","",[1089,1123,1124,1132,1138,1144],{"__ignoreMap":1121},[1125,1126,1129],"span",{"class":1127,"line":1128},"line",1,[1125,1130,1131],{},"\u002F\u002F for-each — read-only pass\n",[1125,1133,1135],{"class":1127,"line":1134},2,[1125,1136,1137],{},"for (String log : logs) { System.out.println(log); }\n",[1125,1139,1141],{"class":1127,"line":1140},3,[1125,1142,1143],{},"\u002F\u002F indexed\n",[1125,1145,1147],{"class":1127,"line":1146},4,[1125,1148,1149],{},"for (int i = 0; i \u003C logs.size(); i++) { System.out.println(logs.get(i)); }\n",[1080,1151,1153],{"id":1152},"the-big-restriction-dont-resize-during-a-for-each","The Big Restriction: Don't Resize During a For-Each",[1085,1155,1156,1157,1159,1160,1163,1164,1166,1167,1169],{},"Adding or removing elements from an ",[1089,1158,1099],{}," while a for-each loop is traversing it usually throws ",[1089,1161,1162],{},"ConcurrentModificationException"," — but not always. Remove the second-to-last element and the loop can end silently instead, quietly skipping the last element rather than throwing anything. Either way, it's broken; never rely on the exception to catch this for you. If you need to add or remove while looping, use an indexed ",[1089,1165,1091],{}," or ",[1089,1168,1095],{}," loop instead.",[1080,1171,1173],{"id":1172},"removing-while-looping-the-careful-way","Removing While Looping — The Careful Way",[1085,1175,1176,1177,1181],{},"Removing an element shifts every later element down by one index. If you increment the loop index ",[1178,1179,1180],"em",{},"unconditionally"," after a removal, you skip checking the element that just got shifted into the spot you were on:",[1116,1183,1185],{"className":1118,"code":1184,"language":1120,"meta":1121,"style":1121},"int i = 0;\nwhile (i \u003C logs.size())\n{\n    if (shouldRemove(logs.get(i)))\n    {\n        \u002F\u002F don't increment i here — the next element just shifted into index i\n        logs.remove(i);\n    }\n    else\n    {\n        i++; \u002F\u002F only advance when nothing was removed this iteration\n    }\n}\n",[1089,1186,1187,1192,1197,1202,1207,1213,1219,1225,1231,1237,1242,1248,1253],{"__ignoreMap":1121},[1125,1188,1189],{"class":1127,"line":1128},[1125,1190,1191],{},"int i = 0;\n",[1125,1193,1194],{"class":1127,"line":1134},[1125,1195,1196],{},"while (i \u003C logs.size())\n",[1125,1198,1199],{"class":1127,"line":1140},[1125,1200,1201],{},"{\n",[1125,1203,1204],{"class":1127,"line":1146},[1125,1205,1206],{},"    if (shouldRemove(logs.get(i)))\n",[1125,1208,1210],{"class":1127,"line":1209},5,[1125,1211,1212],{},"    {\n",[1125,1214,1216],{"class":1127,"line":1215},6,[1125,1217,1218],{},"        \u002F\u002F don't increment i here — the next element just shifted into index i\n",[1125,1220,1222],{"class":1127,"line":1221},7,[1125,1223,1224],{},"        logs.remove(i);\n",[1125,1226,1228],{"class":1127,"line":1227},8,[1125,1229,1230],{},"    }\n",[1125,1232,1234],{"class":1127,"line":1233},9,[1125,1235,1236],{},"    else\n",[1125,1238,1240],{"class":1127,"line":1239},10,[1125,1241,1212],{},[1125,1243,1245],{"class":1127,"line":1244},11,[1125,1246,1247],{},"        i++; \u002F\u002F only advance when nothing was removed this iteration\n",[1125,1249,1251],{"class":1127,"line":1250},12,[1125,1252,1230],{},[1125,1254,1256],{"class":1127,"line":1255},13,[1125,1257,1258],{},"}\n",[1080,1260,1262],{"id":1261},"chaining-through-a-list-of-objects","Chaining Through a List of Objects",[1116,1264,1266],{"className":1118,"code":1265,"language":1120,"meta":1121,"style":1121},"\u002F\u002F assume RobotPart exists, with getName() — Ch.17 builds it out fully\nArrayList\u003CRobotPart> parts = new ArrayList\u003CRobotPart>();\n\u002F\u002F chain: get the object, then call a method on it\nString firstName = parts.get(0).getName();\n",[1089,1267,1268,1273,1278,1283],{"__ignoreMap":1121},[1125,1269,1270],{"class":1127,"line":1128},[1125,1271,1272],{},"\u002F\u002F assume RobotPart exists, with getName() — Ch.17 builds it out fully\n",[1125,1274,1275],{"class":1127,"line":1134},[1125,1276,1277],{},"ArrayList\u003CRobotPart> parts = new ArrayList\u003CRobotPart>();\n",[1125,1279,1280],{"class":1127,"line":1140},[1125,1281,1282],{},"\u002F\u002F chain: get the object, then call a method on it\n",[1125,1284,1285],{"class":1127,"line":1146},[1125,1286,1287],{},"String firstName = parts.get(0).getName();\n",[1080,1289,1291],{"id":1290},"removing-without-the-careful-index-dance","Removing Without the Careful Index Dance",[1085,1293,1294,1295,1298,1299,1302,1303,1306],{},"Once interfaces and generics are covered (Ch.19), ",[1089,1296,1297],{},"removeIf(condition)"," and the ",[1089,1300,1301],{},"Iterator","'s own ",[1089,1304,1305],{},"remove()"," do this same job in one call, without the manual index bookkeeping above — a preview worth knowing about, not required yet.",[1080,1308,1310],{"id":1309},"common-pitfalls","Common Pitfalls",[1312,1313,1314,1330,1344],"ul",{},[1315,1316,1317,1321,1322,1324,1325,1166,1327,1329],"li",{},[1318,1319,1320],"strong",{},"Adding\u002Fremoving inside a for-each loop."," Usually throws ",[1089,1323,1162],{},", but can also silently skip an element instead — switch to an indexed ",[1089,1326,1091],{},[1089,1328,1095],{}," loop if the list's size needs to change mid-traversal.",[1315,1331,1332,1339,1340,1343],{},[1318,1333,1334,1335,1338],{},"Incrementing the index unconditionally after a ",[1089,1336,1337],{},"remove","."," This skips the element that shifted into the just-vacated slot — only advance the index when you ",[1178,1341,1342],{},"didn't"," remove anything that pass.",[1315,1345,1346,1355,1356,1338],{},[1318,1347,1348,1349,1352,1353,1338],{},"Using ",[1089,1350,1351],{},"\u003C="," against ",[1089,1354,1110],{}," Same off-by-one risk as arrays — the last valid index is ",[1089,1357,1358],{},"size() - 1",[1080,1360,1362],{"id":1361},"key-takeaways","Key Takeaways",[1312,1364,1365,1379,1385,1388],{},[1315,1366,1367,1369,1370,1372,1373,1104,1375,1372,1377,1338],{},[1089,1368,1099],{}," supports the same loop shapes as arrays, using ",[1089,1371,1103],{},"\u002F",[1089,1374,1110],{},[1089,1376,1107],{},[1089,1378,1113],{},[1315,1380,1381,1382,1384],{},"Never add or remove elements from an ",[1089,1383,1099],{}," while traversing it with a for-each loop — it usually throws, but can also fail silently instead.",[1315,1386,1387],{},"When removing elements in an indexed\u002Fwhile loop, only advance the index on iterations where nothing was removed.",[1315,1389,1390,1372,1393,1396],{},[1089,1391,1392],{},"removeIf()",[1089,1394,1395],{},"Iterator.remove()"," (Ch.19) do this more directly once interfaces are covered.",[1085,1398,1399,1400,1403,1404,1407],{},"Derived from ",[1089,1401,1402],{},"csawesome-2026",": ",[1089,1405,1406],{},"unit-4-data-collections\u002F4.09-arraylist-traversals.md"," (CSA 4.9)",[1409,1410,1411],"style",{},"html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":1121,"searchDepth":1134,"depth":1134,"links":1413},[1414,1415,1416,1417,1418,1419,1420],{"id":1082,"depth":1134,"text":1083},{"id":1152,"depth":1134,"text":1153},{"id":1172,"depth":1134,"text":1173},{"id":1261,"depth":1134,"text":1262},{"id":1290,"depth":1134,"text":1291},{"id":1309,"depth":1134,"text":1310},{"id":1361,"depth":1134,"text":1362},"md",{"outlineRef":1423,"status":1424},"9.6 — ArrayList Traversals (CSA 4.9)","new — authored lesson (fuller depth than the teaser slide)",true,{"title":162,"description":1121},"Bq0rhPj2olgHVPskUW4e_rcB3ouGp39f_v9zqCh3vdk",{"id":1429,"title":599,"body":1430,"description":1121,"extension":1421,"meta":1842,"navigation":1425,"path":598,"seo":1845,"stem":600,"__hash__":1846},"examples\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.6-arraylist-traversals.md",{"type":1073,"value":1431,"toc":1833},[1432,1435,1439,1446,1450,1465,1495,1499,1522,1539,1543,1578,1590,1594,1600,1656,1671,1675,1678,1747,1789,1803,1807,1831],[1076,1433,599],{"id":1434},"arraylist-traversals-worked-example",[1080,1436,1438],{"id":1437},"problem","Problem",[1085,1440,1441,1442,1445],{},"The pit crew keeps a running to-do list of tasks. Each finished task is marked with a ",[1089,1443,1444],{},"\"DONE: \""," prefix — write code that removes every finished task from the list, and print each remaining crew member's name from a separate roster list by chaining through its objects.",[1080,1447,1449],{"id":1448},"step-1-plan-it-first","Step 1: Plan It First",[1451,1452,1453,1456,1459,1462],"ol",{},[1315,1454,1455],{},"Look at the task list with a read-only pass.",[1315,1457,1458],{},"Try removing finished tasks with a for-each loop, and see what goes wrong.",[1315,1460,1461],{},"Remove finished tasks correctly instead.",[1315,1463,1464],{},"Print each crew member's name by chaining through a list of objects.",[1116,1466,1468],{"className":1118,"code":1467,"language":1120,"meta":1121,"style":1121},"ArrayList\u003CString> pitTasks = new ArrayList\u003CString>();\npitTasks.add(\"DONE: Check drive belt tension\");\npitTasks.add(\"Replace bumper pool noodle\");\npitTasks.add(\"DONE: Charge spare battery\");\npitTasks.add(\"Re-tape wiring harness\");\n",[1089,1469,1470,1475,1480,1485,1490],{"__ignoreMap":1121},[1125,1471,1472],{"class":1127,"line":1128},[1125,1473,1474],{},"ArrayList\u003CString> pitTasks = new ArrayList\u003CString>();\n",[1125,1476,1477],{"class":1127,"line":1134},[1125,1478,1479],{},"pitTasks.add(\"DONE: Check drive belt tension\");\n",[1125,1481,1482],{"class":1127,"line":1140},[1125,1483,1484],{},"pitTasks.add(\"Replace bumper pool noodle\");\n",[1125,1486,1487],{"class":1127,"line":1146},[1125,1488,1489],{},"pitTasks.add(\"DONE: Charge spare battery\");\n",[1125,1491,1492],{"class":1127,"line":1209},[1125,1493,1494],{},"pitTasks.add(\"Re-tape wiring harness\");\n",[1080,1496,1498],{"id":1497},"step-2-read-only-pass-for-each-works-fine-here","Step 2: Read-Only Pass — For-Each Works Fine Here",[1116,1500,1502],{"className":1118,"code":1501,"language":1120,"meta":1121,"style":1121},"for (String task : pitTasks)\n{\n    System.out.println(task);\n}\n",[1089,1503,1504,1509,1513,1518],{"__ignoreMap":1121},[1125,1505,1506],{"class":1127,"line":1128},[1125,1507,1508],{},"for (String task : pitTasks)\n",[1125,1510,1511],{"class":1127,"line":1134},[1125,1512,1201],{},[1125,1514,1515],{"class":1127,"line":1140},[1125,1516,1517],{},"    System.out.println(task);\n",[1125,1519,1520],{"class":1127,"line":1146},[1125,1521,1258],{},[1085,1523,1087,1524,1092,1526,1096,1528,1100,1530,1104,1532,1092,1534,1104,1536,1538],{},[1089,1525,1091],{},[1089,1527,1095],{},[1089,1529,1099],{},[1089,1531,1103],{},[1089,1533,1107],{},[1089,1535,1110],{},[1089,1537,1113],{},". A pass that only reads is safe with any of them.",[1080,1540,1542],{"id":1541},"step-3-what-goes-wrong-with-a-naive-for-each-removal","Step 3: What Goes Wrong With a Naive For-Each Removal",[1116,1544,1546],{"className":1118,"code":1545,"language":1120,"meta":1121,"style":1121},"for (String task : pitTasks)\n{\n    if (task.startsWith(\"DONE: \"))\n    {\n        pitTasks.remove(task); \u002F\u002F throws ConcurrentModificationException\n    }\n}\n",[1089,1547,1548,1552,1556,1561,1565,1570,1574],{"__ignoreMap":1121},[1125,1549,1550],{"class":1127,"line":1128},[1125,1551,1508],{},[1125,1553,1554],{"class":1127,"line":1134},[1125,1555,1201],{},[1125,1557,1558],{"class":1127,"line":1140},[1125,1559,1560],{},"    if (task.startsWith(\"DONE: \"))\n",[1125,1562,1563],{"class":1127,"line":1146},[1125,1564,1212],{},[1125,1566,1567],{"class":1127,"line":1209},[1125,1568,1569],{},"        pitTasks.remove(task); \u002F\u002F throws ConcurrentModificationException\n",[1125,1571,1572],{"class":1127,"line":1215},[1125,1573,1230],{},[1125,1575,1576],{"class":1127,"line":1221},[1125,1577,1258],{},[1085,1579,1156,1580,1582,1583,1585,1586,1166,1588,1169],{},[1089,1581,1099],{}," while a for-each loop is traversing it throws ",[1089,1584,1162],{},". Removing while looping needs an indexed ",[1089,1587,1091],{},[1089,1589,1095],{},[1080,1591,1593],{"id":1592},"step-4-removing-while-looping-the-careful-way","Step 4: Removing While Looping — The Careful Way",[1085,1595,1596,1597,1599],{},"Removing an element shifts every later element down by one index. Incrementing the loop index ",[1178,1598,1180],{}," after a removal would skip the element that just shifted into the spot just checked:",[1116,1601,1603],{"className":1118,"code":1602,"language":1120,"meta":1121,"style":1121},"int i = 0;\nwhile (i \u003C pitTasks.size())\n{\n    if (pitTasks.get(i).startsWith(\"DONE: \"))\n    {\n        pitTasks.remove(i); \u002F\u002F don't increment i here — the next task just shifted into index i\n    }\n    else\n    {\n        i++; \u002F\u002F only advance when nothing was removed this iteration\n    }\n}\n",[1089,1604,1605,1609,1614,1618,1623,1627,1632,1636,1640,1644,1648,1652],{"__ignoreMap":1121},[1125,1606,1607],{"class":1127,"line":1128},[1125,1608,1191],{},[1125,1610,1611],{"class":1127,"line":1134},[1125,1612,1613],{},"while (i \u003C pitTasks.size())\n",[1125,1615,1616],{"class":1127,"line":1140},[1125,1617,1201],{},[1125,1619,1620],{"class":1127,"line":1146},[1125,1621,1622],{},"    if (pitTasks.get(i).startsWith(\"DONE: \"))\n",[1125,1624,1625],{"class":1127,"line":1209},[1125,1626,1212],{},[1125,1628,1629],{"class":1127,"line":1215},[1125,1630,1631],{},"        pitTasks.remove(i); \u002F\u002F don't increment i here — the next task just shifted into index i\n",[1125,1633,1634],{"class":1127,"line":1221},[1125,1635,1230],{},[1125,1637,1638],{"class":1127,"line":1227},[1125,1639,1236],{},[1125,1641,1642],{"class":1127,"line":1233},[1125,1643,1212],{},[1125,1645,1646],{"class":1127,"line":1239},[1125,1647,1247],{},[1125,1649,1650],{"class":1127,"line":1244},[1125,1651,1230],{},[1125,1653,1654],{"class":1127,"line":1250},[1125,1655,1258],{},[1116,1657,1659],{"className":1118,"code":1658,"language":1120,"meta":1121,"style":1121},"System.out.println(pitTasks);\n\u002F\u002F [Replace bumper pool noodle, Re-tape wiring harness]\n",[1089,1660,1661,1666],{"__ignoreMap":1121},[1125,1662,1663],{"class":1127,"line":1128},[1125,1664,1665],{},"System.out.println(pitTasks);\n",[1125,1667,1668],{"class":1127,"line":1134},[1125,1669,1670],{},"\u002F\u002F [Replace bumper pool noodle, Re-tape wiring harness]\n",[1080,1672,1674],{"id":1673},"step-5-chaining-through-a-list-of-objects","Step 5: Chaining Through a List of Objects",[1085,1676,1677],{},"A separate roster tracks crew members as objects rather than plain text:",[1116,1679,1681],{"className":1118,"code":1680,"language":1120,"meta":1121,"style":1121},"public class CrewMember\n{\n    private String name;\n\n    public CrewMember(String name)\n    {\n        this.name = name;\n    }\n\n    public String getName()\n    {\n        return name;\n    }\n}\n",[1089,1682,1683,1688,1692,1697,1702,1707,1711,1716,1720,1724,1729,1733,1738,1742],{"__ignoreMap":1121},[1125,1684,1685],{"class":1127,"line":1128},[1125,1686,1687],{},"public class CrewMember\n",[1125,1689,1690],{"class":1127,"line":1134},[1125,1691,1201],{},[1125,1693,1694],{"class":1127,"line":1140},[1125,1695,1696],{},"    private String name;\n",[1125,1698,1699],{"class":1127,"line":1146},[1125,1700,1701],{"emptyLinePlaceholder":1425},"\n",[1125,1703,1704],{"class":1127,"line":1209},[1125,1705,1706],{},"    public CrewMember(String name)\n",[1125,1708,1709],{"class":1127,"line":1215},[1125,1710,1212],{},[1125,1712,1713],{"class":1127,"line":1221},[1125,1714,1715],{},"        this.name = name;\n",[1125,1717,1718],{"class":1127,"line":1227},[1125,1719,1230],{},[1125,1721,1722],{"class":1127,"line":1233},[1125,1723,1701],{"emptyLinePlaceholder":1425},[1125,1725,1726],{"class":1127,"line":1239},[1125,1727,1728],{},"    public String getName()\n",[1125,1730,1731],{"class":1127,"line":1244},[1125,1732,1212],{},[1125,1734,1735],{"class":1127,"line":1250},[1125,1736,1737],{},"        return name;\n",[1125,1739,1740],{"class":1127,"line":1255},[1125,1741,1230],{},[1125,1743,1745],{"class":1127,"line":1744},14,[1125,1746,1258],{},[1116,1748,1750],{"className":1118,"code":1749,"language":1120,"meta":1121,"style":1121},"ArrayList\u003CCrewMember> roster = new ArrayList\u003CCrewMember>();\nroster.add(new CrewMember(\"Alex\"));\nroster.add(new CrewMember(\"Priya\"));\n\nfor (int i = 0; i \u003C roster.size(); i++)\n{\n    System.out.println(roster.get(i).getName()); \u002F\u002F chain: get the object, then call a method on it\n}\n",[1089,1751,1752,1757,1762,1767,1771,1776,1780,1785],{"__ignoreMap":1121},[1125,1753,1754],{"class":1127,"line":1128},[1125,1755,1756],{},"ArrayList\u003CCrewMember> roster = new ArrayList\u003CCrewMember>();\n",[1125,1758,1759],{"class":1127,"line":1134},[1125,1760,1761],{},"roster.add(new CrewMember(\"Alex\"));\n",[1125,1763,1764],{"class":1127,"line":1140},[1125,1765,1766],{},"roster.add(new CrewMember(\"Priya\"));\n",[1125,1768,1769],{"class":1127,"line":1146},[1125,1770,1701],{"emptyLinePlaceholder":1425},[1125,1772,1773],{"class":1127,"line":1209},[1125,1774,1775],{},"for (int i = 0; i \u003C roster.size(); i++)\n",[1125,1777,1778],{"class":1127,"line":1215},[1125,1779,1201],{},[1125,1781,1782],{"class":1127,"line":1221},[1125,1783,1784],{},"    System.out.println(roster.get(i).getName()); \u002F\u002F chain: get the object, then call a method on it\n",[1125,1786,1787],{"class":1127,"line":1227},[1125,1788,1258],{},[1085,1790,1791,1794,1795,1798,1799,1802],{},[1089,1792,1793],{},"roster.get(i)"," returns a ",[1089,1796,1797],{},"CrewMember"," object, and ",[1089,1800,1801],{},".getName()"," is called directly on that result — a chain, rather than storing the object in its own variable first.",[1080,1804,1806],{"id":1805},"recap","Recap",[1312,1808,1809,1821,1829],{},[1315,1810,1811,1369,1813,1372,1815,1104,1817,1372,1819,1338],{},[1089,1812,1099],{},[1089,1814,1103],{},[1089,1816,1110],{},[1089,1818,1107],{},[1089,1820,1113],{},[1315,1822,1381,1823,1825,1826,1828],{},[1089,1824,1099],{}," while traversing it with a for-each loop — it usually throws ",[1089,1827,1162],{}," (as it did here), but can also fail silently instead.",[1315,1830,1387],{},[1409,1832,1411],{},{"title":1121,"searchDepth":1134,"depth":1134,"links":1834},[1835,1836,1837,1838,1839,1840,1841],{"id":1437,"depth":1134,"text":1438},{"id":1448,"depth":1134,"text":1449},{"id":1497,"depth":1134,"text":1498},{"id":1541,"depth":1134,"text":1542},{"id":1592,"depth":1134,"text":1593},{"id":1673,"depth":1134,"text":1674},{"id":1805,"depth":1134,"text":1806},{"outlineRef":1423,"pairsWith":1843,"status":1844},"[`lessons\u002Fch09-storing-data\u002F9.6-arraylist-traversals.md`](..\u002F..\u002Flessons\u002Fch09-storing-data\u002F9.6-arraylist-traversals.md)","new — authored worked example (fully solved, walked step by step — not a problem to attempt)",{"title":599,"description":1121},"YkUR1R-ybxPy82wSxi72ghSd0GMYAxHrrr6nQm_4RHY",{"id":1848,"title":908,"body":1849,"description":1121,"extension":1421,"meta":2739,"navigation":1425,"path":907,"seo":2741,"stem":909,"__hash__":2742},"exercises\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.6-arraylist-traversals.md",{"type":1073,"value":1850,"toc":2734},[1851,1854,1858,1879,1915,1920,1943,1949,1965,1979,1983,1997,2000,2079,2084,2250,2358,2362,2368,2388,2391,2418,2426,2431,2475,2480,2601,2606,2699,2732],[1076,1852,908],{"id":1853},"arraylist-traversals-exercises",[1080,1855,1857],{"id":1856},"multiple-choice","Multiple Choice",[1085,1859,1860,1863,1864,1867,1868,1871,1872,1092,1875,1878],{},[1318,1861,1862],{},"Question:"," Given ",[1089,1865,1866],{},"ArrayList\u003CString> alerts"," containing ",[1089,1869,1870],{},"\"Low Battery\"",", ",[1089,1873,1874],{},"\"Motor Stall\"",[1089,1876,1877],{},"\"Radio Disconnect\"",", what happens when this code runs?",[1116,1880,1882],{"className":1118,"code":1881,"language":1120,"meta":1121,"style":1121},"for (String alert : alerts)\n{\n    if (alert.equals(\"Low Battery\"))\n    {\n        alerts.add(\"Escalated: Low Battery\");\n    }\n}\n",[1089,1883,1884,1889,1893,1898,1902,1907,1911],{"__ignoreMap":1121},[1125,1885,1886],{"class":1127,"line":1128},[1125,1887,1888],{},"for (String alert : alerts)\n",[1125,1890,1891],{"class":1127,"line":1134},[1125,1892,1201],{},[1125,1894,1895],{"class":1127,"line":1140},[1125,1896,1897],{},"    if (alert.equals(\"Low Battery\"))\n",[1125,1899,1900],{"class":1127,"line":1146},[1125,1901,1212],{},[1125,1903,1904],{"class":1127,"line":1209},[1125,1905,1906],{},"        alerts.add(\"Escalated: Low Battery\");\n",[1125,1908,1909],{"class":1127,"line":1215},[1125,1910,1230],{},[1125,1912,1913],{"class":1127,"line":1221},[1125,1914,1258],{},[1085,1916,1917],{},[1318,1918,1919],{},"Options:",[1312,1921,1922,1927,1930,1937],{},[1315,1923,1924,1925],{},"A. Throws ",[1089,1926,1162],{},[1315,1928,1929],{},"B. Adds the new alert to the end of the list with no error",[1315,1931,1932,1933,1936],{},"C. Does nothing, since ",[1089,1934,1935],{},"add"," inside a for-each loop is silently ignored",[1315,1938,1939,1940],{},"D. Throws ",[1089,1941,1942],{},"ArrayIndexOutOfBoundsException",[1085,1944,1945,1948],{},[1318,1946,1947],{},"Answer:"," A",[1085,1950,1951,1954,1955,1582,1957,1959,1960,1962,1963,1338],{},[1318,1952,1953],{},"Why:"," Adding (or removing) elements from an ",[1089,1956,1099],{},[1089,1958,1162],{}," — this restriction applies to ",[1089,1961,1935],{}," just as much as ",[1089,1964,1337],{},[1312,1966,1967,1973,1976],{},[1315,1968,1969,1970,1972],{},"B is wrong — that's what an indexed or ",[1089,1971,1095],{}," loop could safely do, but not a for-each loop.",[1315,1974,1975],{},"C is wrong — Java doesn't silently ignore this; it throws, loudly, the moment the mismatch is detected.",[1315,1977,1978],{},"D is wrong — that exception is for accessing an invalid index, not for modifying a collection while it's being traversed.",[1080,1980,1982],{"id":1981},"micro-parsons","Micro-Parsons",[1085,1984,1985,1988,1989,1992,1993,1996],{},[1318,1986,1987],{},"Problem:"," This method will live in a class alongside a ",[1089,1990,1991],{},"main"," method that creates a list of defect reports and calls it. These lines, once correctly ordered, form the complete method that removes every entry starting with ",[1089,1994,1995],{},"\"FLAGGED: \""," from that list, using the careful pattern that avoids skipping elements after a removal.",[1085,1998,1999],{},"Reorder the fragments below into a working method:",[1312,2001,2002,2008,2014,2020,2026,2032,2042,2048,2054,2062,2068],{},[1315,2003,2004,2005],{},"a. ",[1089,2006,2007],{},"    public static void removeFlagged(ArrayList\u003CString> defectReports)",[1315,2009,2010,2011],{},"b. ",[1089,2012,2013],{},"    {",[1315,2015,2016,2017],{},"c. ",[1089,2018,2019],{},"        int i = 0;",[1315,2021,2022,2023],{},"d. ",[1089,2024,2025],{},"        while (i \u003C defectReports.size())",[1315,2027,2028,2029],{},"e. ",[1089,2030,2031],{},"        {",[1315,2033,2034,2035,2038,2039],{},"f. ",[1089,2036,2037],{},"            if (defectReports.get(i).startsWith(\"FLAGGED: \"))"," ",[1089,2040,2041],{},"            {",[1315,2043,2044,2045],{},"g. ",[1089,2046,2047],{},"                defectReports.remove(i);",[1315,2049,2050,2051],{},"h. ",[1089,2052,2053],{},"            }",[1315,2055,2056,2057,2038,2060],{},"i. ",[1089,2058,2059],{},"            else",[1089,2061,2041],{},[1315,2063,2064,2065],{},"j. ",[1089,2066,2067],{},"                i++;",[1315,2069,2070,2071,2038,2073,2038,2076],{},"k. ",[1089,2072,2053],{},[1089,2074,2075],{},"        }",[1089,2077,2078],{},"    }",[1085,2080,2081,2083],{},[1318,2082,1947],{}," a, b, c, d, e, f, g, h, i, j, k",[1116,2085,2087],{"className":1118,"code":2086,"language":1120,"meta":1121,"style":1121},"import java.util.ArrayList;\n\npublic class DefectTracker\n{\n    public static void removeFlagged(ArrayList\u003CString> defectReports)\n    {\n        int i = 0;\n        while (i \u003C defectReports.size())\n        {\n            if (defectReports.get(i).startsWith(\"FLAGGED: \"))\n            {\n                defectReports.remove(i);\n            }\n            else\n            {\n                i++;\n            }\n        }\n    }\n\n    public static void main(String[] args)\n    {\n        ArrayList\u003CString> defectReports = new ArrayList\u003CString>();\n        defectReports.add(\"FLAGGED: Loose wire\");\n        defectReports.add(\"Battery voltage low\");\n        defectReports.add(\"FLAGGED: Cracked bumper\");\n\n        removeFlagged(defectReports);\n        System.out.println(defectReports);\n    }\n}\n",[1089,2088,2089,2094,2098,2103,2107,2112,2116,2121,2126,2131,2136,2141,2146,2151,2156,2161,2167,2172,2178,2183,2188,2194,2199,2205,2211,2217,2223,2228,2234,2240,2245],{"__ignoreMap":1121},[1125,2090,2091],{"class":1127,"line":1128},[1125,2092,2093],{},"import java.util.ArrayList;\n",[1125,2095,2096],{"class":1127,"line":1134},[1125,2097,1701],{"emptyLinePlaceholder":1425},[1125,2099,2100],{"class":1127,"line":1140},[1125,2101,2102],{},"public class DefectTracker\n",[1125,2104,2105],{"class":1127,"line":1146},[1125,2106,1201],{},[1125,2108,2109],{"class":1127,"line":1209},[1125,2110,2111],{},"    public static void removeFlagged(ArrayList\u003CString> defectReports)\n",[1125,2113,2114],{"class":1127,"line":1215},[1125,2115,1212],{},[1125,2117,2118],{"class":1127,"line":1221},[1125,2119,2120],{},"        int i = 0;\n",[1125,2122,2123],{"class":1127,"line":1227},[1125,2124,2125],{},"        while (i \u003C defectReports.size())\n",[1125,2127,2128],{"class":1127,"line":1233},[1125,2129,2130],{},"        {\n",[1125,2132,2133],{"class":1127,"line":1239},[1125,2134,2135],{},"            if (defectReports.get(i).startsWith(\"FLAGGED: \"))\n",[1125,2137,2138],{"class":1127,"line":1244},[1125,2139,2140],{},"            {\n",[1125,2142,2143],{"class":1127,"line":1250},[1125,2144,2145],{},"                defectReports.remove(i);\n",[1125,2147,2148],{"class":1127,"line":1255},[1125,2149,2150],{},"            }\n",[1125,2152,2153],{"class":1127,"line":1744},[1125,2154,2155],{},"            else\n",[1125,2157,2159],{"class":1127,"line":2158},15,[1125,2160,2140],{},[1125,2162,2164],{"class":1127,"line":2163},16,[1125,2165,2166],{},"                i++;\n",[1125,2168,2170],{"class":1127,"line":2169},17,[1125,2171,2150],{},[1125,2173,2175],{"class":1127,"line":2174},18,[1125,2176,2177],{},"        }\n",[1125,2179,2181],{"class":1127,"line":2180},19,[1125,2182,1230],{},[1125,2184,2186],{"class":1127,"line":2185},20,[1125,2187,1701],{"emptyLinePlaceholder":1425},[1125,2189,2191],{"class":1127,"line":2190},21,[1125,2192,2193],{},"    public static void main(String[] args)\n",[1125,2195,2197],{"class":1127,"line":2196},22,[1125,2198,1212],{},[1125,2200,2202],{"class":1127,"line":2201},23,[1125,2203,2204],{},"        ArrayList\u003CString> defectReports = new ArrayList\u003CString>();\n",[1125,2206,2208],{"class":1127,"line":2207},24,[1125,2209,2210],{},"        defectReports.add(\"FLAGGED: Loose wire\");\n",[1125,2212,2214],{"class":1127,"line":2213},25,[1125,2215,2216],{},"        defectReports.add(\"Battery voltage low\");\n",[1125,2218,2220],{"class":1127,"line":2219},26,[1125,2221,2222],{},"        defectReports.add(\"FLAGGED: Cracked bumper\");\n",[1125,2224,2226],{"class":1127,"line":2225},27,[1125,2227,1701],{"emptyLinePlaceholder":1425},[1125,2229,2231],{"class":1127,"line":2230},28,[1125,2232,2233],{},"        removeFlagged(defectReports);\n",[1125,2235,2237],{"class":1127,"line":2236},29,[1125,2238,2239],{},"        System.out.println(defectReports);\n",[1125,2241,2243],{"class":1127,"line":2242},30,[1125,2244,1230],{},[1125,2246,2248],{"class":1127,"line":2247},31,[1125,2249,1258],{},[1085,2251,2252,2255,2256,2259,2260,2262,2263,2266,2267,2269,2270,1871,2273,2276,2277,1372,2280,2283,2284,2286,2287,2289,2290,2293,2294,2296,2297,2300,2301,2303,2304,2306,2307,2310,2311,2313,2314,2306,2316,2319,2320,2323,2324,2327,2328,2330,2331,2333,2334,2336,2337,2339,2340,2342,2343,2346,2347,2349,2350,2353,2354,2357],{},[1318,2253,2254],{},"Why this order:"," The index variable (",[1089,2257,2258],{},"c",") must be initialized before the ",[1089,2261,1095],{}," condition (",[1089,2264,2265],{},"d",") can check it, and the method's and ",[1089,2268,1095],{},"'s own opening braces (",[1089,2271,2272],{},"b",[1089,2274,2275],{},"e",") each stay right after their header. Inside the loop, the ",[1089,2278,2279],{},"if",[1089,2281,2282],{},"else"," pair must appear in that order — Java requires ",[1089,2285,2279],{}," before its matching ",[1089,2288,2282],{}," — so ",[1089,2291,2292],{},"f"," (the ",[1089,2295,2279],{}," condition plus its opening brace, merged since splitting them further wasn't the point being tested here) comes before ",[1089,2298,2299],{},"i"," (",[1089,2302,2282],{}," plus its own opening brace, same reasoning). The ",[1089,2305,2279],{},"-branch (",[1089,2308,2309],{},"g",") removes the current element without advancing ",[1089,2312,2299],{},", since the next element just shifted into that spot; the ",[1089,2315,2282],{},[1089,2317,2318],{},"j",") is the only place ",[1089,2321,2322],{},"i++"," happens, and only fires on iterations where nothing was removed. ",[1089,2325,2326],{},"h"," closes the ",[1089,2329,2279],{}," block before ",[1089,2332,2299],{},"'s ",[1089,2335,2282],{}," can open. The very end is the one purely forced merge: once the ",[1089,2338,2282],{}," block's own closing brace is placed, the ",[1089,2341,1095],{},"'s closing brace and the method's closing brace have nowhere else to go, so all three are fused into ",[1089,2344,2345],{},"k",". The surrounding class, import, and ",[1089,2348,1991],{}," (which creates ",[1089,2351,2352],{},"defectReports"," and calls ",[1089,2355,2356],{},"removeFlagged",") are the given scaffold.",[1080,2359,2361],{"id":2360},"coding","Coding",[1085,2363,2364,2367],{},[1318,2365,2366],{},"Mode:"," harness",[1085,2369,2370,2372,2373,2376,2377,2380,2381,2384,2385,2387],{},[1318,2371,1987],{}," A list of fault codes uses ",[1089,2374,2375],{},"0"," to mean \"no fault\". Write ",[1089,2378,2379],{},"removeZeros",", which removes ",[1318,2382,2383],{},"every","\nelement equal to ",[1089,2386,2375],{}," from the list, keeps the other elements in their original order, and returns the list.\nSeveral zeros can sit next to each other.",[1085,2389,2390],{},"Examples:",[1312,2392,2393,2402,2410],{},[1315,2394,2395,2398,2399],{},[1089,2396,2397],{},"removeZeros([3, 0, 5])"," returns ",[1089,2400,2401],{},"[3, 5]",[1315,2403,2404,2398,2407],{},[1089,2405,2406],{},"removeZeros([0, 0, 4])",[1089,2408,2409],{},"[4]",[1315,2411,2412,2398,2415],{},[1089,2413,2414],{},"removeZeros([1, 2])",[1089,2416,2417],{},"[1, 2]",[1085,2419,2420,2038,2423],{},[1318,2421,2422],{},"Signature:",[1089,2424,2425],{},"public static ArrayList\u003CInteger> removeZeros(ArrayList\u003CInteger> codes)",[1085,2427,2428],{},[1318,2429,2430],{},"Starter:",[1116,2432,2434],{"className":1118,"code":2433,"language":1120,"meta":1121,"style":1121},"import java.util.ArrayList;\n\npublic class Solution\n{\n    public static ArrayList\u003CInteger> removeZeros(ArrayList\u003CInteger> codes)\n    {\n        \u002F\u002F TODO: use an indexed loop and remove every 0\n    }\n}\n",[1089,2435,2436,2440,2444,2449,2453,2458,2462,2467,2471],{"__ignoreMap":1121},[1125,2437,2438],{"class":1127,"line":1128},[1125,2439,2093],{},[1125,2441,2442],{"class":1127,"line":1134},[1125,2443,1701],{"emptyLinePlaceholder":1425},[1125,2445,2446],{"class":1127,"line":1140},[1125,2447,2448],{},"public class Solution\n",[1125,2450,2451],{"class":1127,"line":1146},[1125,2452,1201],{},[1125,2454,2455],{"class":1127,"line":1209},[1125,2456,2457],{},"    public static ArrayList\u003CInteger> removeZeros(ArrayList\u003CInteger> codes)\n",[1125,2459,2460],{"class":1127,"line":1215},[1125,2461,1212],{},[1125,2463,2464],{"class":1127,"line":1221},[1125,2465,2466],{},"        \u002F\u002F TODO: use an indexed loop and remove every 0\n",[1125,2468,2469],{"class":1127,"line":1227},[1125,2470,1230],{},[1125,2472,2473],{"class":1127,"line":1233},[1125,2474,1258],{},[1085,2476,2477],{},[1318,2478,2479],{},"Tests:",[2481,2482,2483,2499],"table",{},[2484,2485,2486],"thead",{},[2487,2488,2489,2493,2496],"tr",{},[2490,2491,2492],"th",{},"Visible",[2490,2494,2495],{},"Arguments",[2490,2497,2498],{},"Expected",[2500,2501,2502,2518,2532,2545,2560,2574,2588],"tbody",{},[2487,2503,2504,2508,2513],{},[2505,2506,2507],"td",{},"yes",[2505,2509,2510],{},[1089,2511,2512],{},"new java.util.ArrayList\u003C>(java.util.List.of(3, 0, 5))",[2505,2514,2515],{},[1089,2516,2517],{},"new java.util.ArrayList\u003C>(java.util.List.of(3, 5))",[2487,2519,2520,2522,2527],{},[2505,2521,2507],{},[2505,2523,2524],{},[1089,2525,2526],{},"new java.util.ArrayList\u003C>(java.util.List.of(0, 0, 4))",[2505,2528,2529],{},[1089,2530,2531],{},"new java.util.ArrayList\u003C>(java.util.List.of(4))",[2487,2533,2534,2536,2541],{},[2505,2535,2507],{},[2505,2537,2538],{},[1089,2539,2540],{},"new java.util.ArrayList\u003C>(java.util.List.of(1, 2))",[2505,2542,2543],{},[1089,2544,2540],{},[2487,2546,2547,2550,2555],{},[2505,2548,2549],{},"no",[2505,2551,2552],{},[1089,2553,2554],{},"new java.util.ArrayList\u003C>(java.util.List.of(6, 0, 0, 0, 7))",[2505,2556,2557],{},[1089,2558,2559],{},"new java.util.ArrayList\u003C>(java.util.List.of(6, 7))",[2487,2561,2562,2564,2569],{},[2505,2563,2549],{},[2505,2565,2566],{},[1089,2567,2568],{},"new java.util.ArrayList\u003C>(java.util.List.of(0, 0, 0))",[2505,2570,2571],{},[1089,2572,2573],{},"new java.util.ArrayList\u003C>()",[2487,2575,2576,2578,2583],{},[2505,2577,2549],{},[2505,2579,2580],{},[1089,2581,2582],{},"new java.util.ArrayList\u003C>(java.util.List.of(8, 9, 0))",[2505,2584,2585],{},[1089,2586,2587],{},"new java.util.ArrayList\u003C>(java.util.List.of(8, 9))",[2487,2589,2590,2592,2597],{},[2505,2591,2549],{},[2505,2593,2594],{},[1089,2595,2596],{},"new java.util.ArrayList\u003CInteger>()",[2505,2598,2599],{},[1089,2600,2573],{},[1085,2602,2603],{},[1318,2604,2605],{},"Solution:",[1116,2607,2609],{"className":1118,"code":2608,"language":1120,"meta":1121,"style":1121},"import java.util.ArrayList;\n\npublic class Solution\n{\n    public static ArrayList\u003CInteger> removeZeros(ArrayList\u003CInteger> codes)\n    {\n        int i = 0;\n        while (i \u003C codes.size())\n        {\n            if (codes.get(i) == 0)\n            {\n                codes.remove(i);\n            }\n            else\n            {\n                i++;\n            }\n        }\n        return codes;\n    }\n}\n",[1089,2610,2611,2615,2619,2623,2627,2631,2635,2639,2644,2648,2653,2657,2662,2666,2670,2674,2678,2682,2686,2691,2695],{"__ignoreMap":1121},[1125,2612,2613],{"class":1127,"line":1128},[1125,2614,2093],{},[1125,2616,2617],{"class":1127,"line":1134},[1125,2618,1701],{"emptyLinePlaceholder":1425},[1125,2620,2621],{"class":1127,"line":1140},[1125,2622,2448],{},[1125,2624,2625],{"class":1127,"line":1146},[1125,2626,1201],{},[1125,2628,2629],{"class":1127,"line":1209},[1125,2630,2457],{},[1125,2632,2633],{"class":1127,"line":1215},[1125,2634,1212],{},[1125,2636,2637],{"class":1127,"line":1221},[1125,2638,2120],{},[1125,2640,2641],{"class":1127,"line":1227},[1125,2642,2643],{},"        while (i \u003C codes.size())\n",[1125,2645,2646],{"class":1127,"line":1233},[1125,2647,2130],{},[1125,2649,2650],{"class":1127,"line":1239},[1125,2651,2652],{},"            if (codes.get(i) == 0)\n",[1125,2654,2655],{"class":1127,"line":1244},[1125,2656,2140],{},[1125,2658,2659],{"class":1127,"line":1250},[1125,2660,2661],{},"                codes.remove(i);\n",[1125,2663,2664],{"class":1127,"line":1255},[1125,2665,2150],{},[1125,2667,2668],{"class":1127,"line":1744},[1125,2669,2155],{},[1125,2671,2672],{"class":1127,"line":2158},[1125,2673,2140],{},[1125,2675,2676],{"class":1127,"line":2163},[1125,2677,2166],{},[1125,2679,2680],{"class":1127,"line":2169},[1125,2681,2150],{},[1125,2683,2684],{"class":1127,"line":2174},[1125,2685,2177],{},[1125,2687,2688],{"class":1127,"line":2180},[1125,2689,2690],{},"        return codes;\n",[1125,2692,2693],{"class":1127,"line":2185},[1125,2694,1230],{},[1125,2696,2697],{"class":1127,"line":2190},[1125,2698,1258],{},[1085,2700,2701,2703,2704,2707,2708,2710,2711,2714,2715,2718,2719,2721,2722,2724,2725,2728,2729,2731],{},[1318,2702,1953],{}," Removing an element shifts every later element down one index. If the loop adds ",[1089,2705,2706],{},"1"," to ",[1089,2709,2299],{}," after\nevery pass, then after ",[1089,2712,2713],{},"remove(i)"," it skips the element that just slid into place, so ",[1089,2716,2717],{},"[0, 0, 4]"," would\nleave one ",[1089,2720,2375],{}," behind. Only advance ",[1089,2723,2299],{}," when nothing was removed. The loop also tests ",[1089,2726,2727],{},"codes.size()"," fresh\neach pass, because the size shrinks as elements go. Removing inside a for-each loop is not an option: it can\nthrow ",[1089,2730,1162],{}," or silently skip an element.",[1409,2733,1411],{},{"title":1121,"searchDepth":1134,"depth":1134,"links":2735},[2736,2737,2738],{"id":1856,"depth":1134,"text":1857},{"id":1981,"depth":1134,"text":1982},{"id":2360,"depth":1134,"text":2361},{"outlineRef":1423,"pairsWith":1843,"status":2740},"new — authored exercises (Multiple Choice + Micro-Parsons + Coding)",{"title":908,"description":1121},"cwAyb6SvSN1xzQbsd4Jjok1mx4bSK41lAA1sm9LPXkA",1792718165938]