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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":146,"body":1072,"description":1102,"extension":1744,"meta":1745,"navigation":1118,"path":145,"seo":1748,"stem":147,"__hash__":1749},"lessons\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods.md",{"type":1073,"value":1074,"toc":1735},"minimark",[1075,1079,1084,1096,1138,1153,1157,1174,1189,1193,1203,1269,1278,1289,1365,1369,1434,1450,1454,1531,1535,1628,1632,1720,1731],[1076,1077,146],"h1",{"id":1078},"arraylist-and-its-methods",[1080,1081,1083],"h2",{"id":1082},"why-arraylist-exists","Why ArrayList Exists",[1085,1086,1087,1088,1095],"p",{},"An array's size is fixed forever once created. ",[1089,1090,1091],"strong",{},[1092,1093,1094],"code",{},"ArrayList"," is Java's resizable alternative — use it whenever you don't know the final size up front, or items will be added\u002Fremoved while the program runs (a growing log of events, for instance).",[1097,1098,1103],"pre",{"className":1099,"code":1100,"language":1101,"meta":1102,"style":1102},"language-java shiki shiki-themes github-light github-dark","import java.util.ArrayList;\n\n\u002F\u002F \u003C> (\"the diamond\") repeats the left side's type\nArrayList\u003CString> logs = new ArrayList\u003C>();\nlogs.add(\"Robot Initialized\");\n","java","",[1092,1104,1105,1113,1120,1126,1132],{"__ignoreMap":1102},[1106,1107,1110],"span",{"class":1108,"line":1109},"line",1,[1106,1111,1112],{},"import java.util.ArrayList;\n",[1106,1114,1116],{"class":1108,"line":1115},2,[1106,1117,1119],{"emptyLinePlaceholder":1118},true,"\n",[1106,1121,1123],{"class":1108,"line":1122},3,[1106,1124,1125],{},"\u002F\u002F \u003C> (\"the diamond\") repeats the left side's type\n",[1106,1127,1129],{"class":1108,"line":1128},4,[1106,1130,1131],{},"ArrayList\u003CString> logs = new ArrayList\u003C>();\n",[1106,1133,1135],{"class":1108,"line":1134},5,[1106,1136,1137],{},"logs.add(\"Robot Initialized\");\n",[1085,1139,1140,1141,1144,1145,1148,1149,1152],{},"The ",[1092,1142,1143],{},"\u003C>"," on the right doesn't need to spell out ",[1092,1146,1147],{},"String"," again — Java infers it from the declared type on the left. ",[1092,1150,1151],{},"new ArrayList\u003CString>()"," still works too; the diamond form is what you'll see in real code.",[1080,1154,1156],{"id":1155},"the-type-parameter","The Type Parameter",[1085,1158,1159,1162,1163,1165,1166,1169,1170,1173],{},[1092,1160,1161],{},"ArrayList\u003CType>"," — the type in angle brackets is what kind of object the list holds. ",[1092,1164,1094],{}," can only hold objects, never primitives directly — a list of numbers uses a wrapper type like ",[1092,1167,1168],{},"Integer","\u002F",[1092,1171,1172],{},"Double"," (Java auto-converts back and forth, called autoboxing\u002Funboxing):",[1097,1175,1177],{"className":1099,"code":1176,"language":1101,"meta":1102,"style":1102},"ArrayList\u003CDouble> sensorReadings = new ArrayList\u003C>();\nsensorReadings.add(2.4); \u002F\u002F autoboxed into a Double automatically\n",[1092,1178,1179,1184],{"__ignoreMap":1102},[1106,1180,1181],{"class":1108,"line":1109},[1106,1182,1183],{},"ArrayList\u003CDouble> sensorReadings = new ArrayList\u003C>();\n",[1106,1185,1186],{"class":1108,"line":1115},[1106,1187,1188],{},"sensorReadings.add(2.4); \u002F\u002F autoboxed into a Double automatically\n",[1080,1190,1192],{"id":1191},"wrapper-classes","Wrapper Classes",[1085,1194,1195,1196,1199,1200,1202],{},"Every primitive type has a matching ",[1089,1197,1198],{},"wrapper class"," — an object version of that value, which is what makes it usable inside an ",[1092,1201,1094],{},":",[1204,1205,1206,1219],"table",{},[1207,1208,1209],"thead",{},[1210,1211,1212,1216],"tr",{},[1213,1214,1215],"th",{},"Primitive",[1213,1217,1218],{},"Wrapper",[1220,1221,1222,1234,1245,1257],"tbody",{},[1210,1223,1224,1230],{},[1225,1226,1227],"td",{},[1092,1228,1229],{},"int",[1225,1231,1232],{},[1092,1233,1168],{},[1210,1235,1236,1241],{},[1225,1237,1238],{},[1092,1239,1240],{},"double",[1225,1242,1243],{},[1092,1244,1172],{},[1210,1246,1247,1252],{},[1225,1248,1249],{},[1092,1250,1251],{},"boolean",[1225,1253,1254],{},[1092,1255,1256],{},"Boolean",[1210,1258,1259,1264],{},[1225,1260,1261],{},[1092,1262,1263],{},"char",[1225,1265,1266],{},[1092,1267,1268],{},"Character",[1097,1270,1272],{"className":1099,"code":1271,"language":1101,"meta":1102,"style":1102},"double first = sensorReadings.get(0); \u002F\u002F unboxed back into a double automatically\n",[1092,1273,1274],{"__ignoreMap":1102},[1106,1275,1276],{"class":1108,"line":1109},[1106,1277,1271],{},[1085,1279,1280,1281,1284,1285,1288],{},"Java converts back and forth automatically — ",[1089,1282,1283],{},"autoboxing"," (primitive → wrapper) and ",[1089,1286,1287],{},"unboxing"," (wrapper → primitive). Three things worth knowing before they bite:",[1290,1291,1292,1314,1339],"ul",{},[1293,1294,1295,1306,1307,1310,1311,1313],"li",{},[1089,1296,1297,1298,1301,1302,1305],{},"Unboxing a ",[1092,1299,1300],{},"null"," throws ",[1092,1303,1304],{},"NullPointerException","."," A wrapper variable (or an ",[1092,1308,1309],{},"ArrayList\u003CInteger>"," slot) can hold ",[1092,1312,1300],{},"; the instant Java tries to unbox it into a primitive, it crashes — this is exactly what a \"missing key\" bug in Lesson 9.3 looks like.",[1293,1315,1316,1325,1326,1328,1329,1331,1332,1334,1335,1338],{},[1089,1317,1318,1321,1322,1324],{},[1092,1319,1320],{},"=="," on ",[1092,1323,1168],{}," is unreliable."," Like any object, ",[1092,1327,1320],{}," checks identity, not value — except Java happens to cache small ",[1092,1330,1168],{}," values (-128 to 127), so ",[1092,1333,1320],{}," can look like it \"works\" for small numbers and silently fail for larger ones. Use ",[1092,1336,1337],{},".equals()"," for wrapper objects, same as any other object.",[1293,1340,1341,1351,1352,1355,1356,1359,1360,1364],{},[1089,1342,1343,1344,1169,1347,1350],{},"Turning text into a number needs ",[1092,1345,1346],{},"parseInt",[1092,1348,1349],{},"parseDouble",", not autoboxing."," ",[1092,1353,1354],{},"Integer.parseInt(\"42\")"," and ",[1092,1357,1358],{},"Double.parseDouble(\"3.14\")"," convert ",[1361,1362,1363],"em",{},"text"," (e.g. a field split from a CSV line, Ch.9.8) into a primitive — a separate conversion from autoboxing, which only ever converts between a primitive and its own wrapper.",[1080,1366,1368],{"id":1367},"core-methods","Core Methods",[1097,1370,1372],{"className":1099,"code":1371,"language":1101,"meta":1102,"style":1102},"ArrayList\u003CString> logs = new ArrayList\u003C>();\nlogs.size();             \u002F\u002F number of elements (like length, but a method — () required)\nlogs.add(\"started\");     \u002F\u002F appends to the end\nlogs.add(0, \"boot\");     \u002F\u002F inserts at index 0, shifting everything else right\nlogs.get(0);              \u002F\u002F reads the element at index 0\nlogs.set(0, \"ready\");     \u002F\u002F replaces the element at index 0\nlogs.remove(0);           \u002F\u002F removes BY INDEX — the element at index 0\nlogs.remove(\"ready\");     \u002F\u002F removes BY VALUE — the first element .equals(\"ready\")\nlogs.contains(\"ready\");   \u002F\u002F true if any element .equals(\"ready\")\nlogs.indexOf(\"ready\");    \u002F\u002F index of the first match, or -1 if not present\nlogs.isEmpty();           \u002F\u002F true if size() == 0\n",[1092,1373,1374,1378,1383,1388,1393,1398,1404,1410,1416,1422,1428],{"__ignoreMap":1102},[1106,1375,1376],{"class":1108,"line":1109},[1106,1377,1131],{},[1106,1379,1380],{"class":1108,"line":1115},[1106,1381,1382],{},"logs.size();             \u002F\u002F number of elements (like length, but a method — () required)\n",[1106,1384,1385],{"class":1108,"line":1122},[1106,1386,1387],{},"logs.add(\"started\");     \u002F\u002F appends to the end\n",[1106,1389,1390],{"class":1108,"line":1128},[1106,1391,1392],{},"logs.add(0, \"boot\");     \u002F\u002F inserts at index 0, shifting everything else right\n",[1106,1394,1395],{"class":1108,"line":1134},[1106,1396,1397],{},"logs.get(0);              \u002F\u002F reads the element at index 0\n",[1106,1399,1401],{"class":1108,"line":1400},6,[1106,1402,1403],{},"logs.set(0, \"ready\");     \u002F\u002F replaces the element at index 0\n",[1106,1405,1407],{"class":1108,"line":1406},7,[1106,1408,1409],{},"logs.remove(0);           \u002F\u002F removes BY INDEX — the element at index 0\n",[1106,1411,1413],{"class":1108,"line":1412},8,[1106,1414,1415],{},"logs.remove(\"ready\");     \u002F\u002F removes BY VALUE — the first element .equals(\"ready\")\n",[1106,1417,1419],{"class":1108,"line":1418},9,[1106,1420,1421],{},"logs.contains(\"ready\");   \u002F\u002F true if any element .equals(\"ready\")\n",[1106,1423,1425],{"class":1108,"line":1424},10,[1106,1426,1427],{},"logs.indexOf(\"ready\");    \u002F\u002F index of the first match, or -1 if not present\n",[1106,1429,1431],{"class":1108,"line":1430},11,[1106,1432,1433],{},"logs.isEmpty();           \u002F\u002F true if size() == 0\n",[1085,1435,1436,1438,1439,1169,1442,1445,1446,1449],{},[1092,1437,1094],{}," uses methods (",[1092,1440,1441],{},"get",[1092,1443,1444],{},"set",") instead of ",[1092,1447,1448],{},"[]"," — it's a real class, not a built-in language feature the way arrays are.",[1080,1451,1453],{"id":1452},"array-vs-arraylist-side-by-side","Array vs. ArrayList, Side by Side",[1204,1455,1456,1468],{},[1207,1457,1458],{},[1210,1459,1460,1463,1466],{},[1213,1461,1462],{},"Operation",[1213,1464,1465],{},"array",[1213,1467,1094],{},[1220,1469,1470,1485,1500,1515],{},[1210,1471,1472,1475,1480],{},[1225,1473,1474],{},"count",[1225,1476,1477],{},[1092,1478,1479],{},"arr.length",[1225,1481,1482],{},[1092,1483,1484],{},"list.size()",[1210,1486,1487,1490,1495],{},[1225,1488,1489],{},"read",[1225,1491,1492],{},[1092,1493,1494],{},"arr[i]",[1225,1496,1497],{},[1092,1498,1499],{},"list.get(i)",[1210,1501,1502,1505,1510],{},[1225,1503,1504],{},"write",[1225,1506,1507],{},[1092,1508,1509],{},"arr[i] = v;",[1225,1511,1512],{},[1092,1513,1514],{},"list.set(i, v);",[1210,1516,1517,1520,1523],{},[1225,1518,1519],{},"grow\u002Fshrink",[1225,1521,1522],{},"not possible",[1225,1524,1525,1169,1528],{},[1092,1526,1527],{},"add",[1092,1529,1530],{},"remove",[1080,1532,1534],{"id":1533},"common-pitfalls","Common Pitfalls",[1290,1536,1537,1553,1573,1594],{},[1293,1538,1539,1545,1546,1169,1549,1552],{},[1089,1540,1541,1542,1544],{},"Using ",[1092,1543,1448],{}," on an ArrayList."," It doesn't compile — always ",[1092,1547,1548],{},"get(i)",[1092,1550,1551],{},"set(i, v)"," instead.",[1293,1554,1555,1564,1565,1567,1568,1570,1571,1305],{},[1089,1556,1557,1558,1355,1561,1305],{},"Mixing up ",[1092,1559,1560],{},".length",[1092,1562,1563],{},".size()"," Arrays use the field ",[1092,1566,1560],{},"; ",[1092,1569,1094],{}," uses the method ",[1092,1572,1563],{},[1293,1574,1575,1580,1581,1584,1585,1588,1589,1591,1592,1305],{},[1089,1576,1577,1578,1305],{},"Using an uninitialized ",[1092,1579,1094],{}," Declaring ",[1092,1582,1583],{},"ArrayList\u003CString> list;"," without ",[1092,1586,1587],{},"new ArrayList\u003C>()"," leaves it ",[1092,1590,1300],{}," — calling any method on it throws ",[1092,1593,1304],{},[1293,1595,1596,1608,1609,1611,1612,1615,1616,1619,1620,1623,1624,1627],{},[1089,1597,1598,1601,1602,1604,1605,1305],{},[1092,1599,1600],{},"remove(30)"," on an ",[1092,1603,1309],{}," doesn't remove the value ",[1092,1606,1607],{},"30"," An ",[1092,1610,1229],{}," argument always picks the ",[1092,1613,1614],{},"remove(int index)"," overload — it removes ",[1361,1617,1618],{},"by position",". To remove the value, wrap it: ",[1092,1621,1622],{},"remove(Integer.valueOf(30))"," (or ",[1092,1625,1626],{},"remove((Integer) 30)",").",[1080,1629,1631],{"id":1630},"key-takeaways","Key Takeaways",[1290,1633,1634,1639,1665,1671,1704],{},[1293,1635,1636,1638],{},[1092,1637,1094],{}," is a resizable list — use it when the size isn't known up front or will change at runtime.",[1293,1640,1641,1642,1644,1645,1647,1648,1647,1650,1647,1652,1654,1655,1301,1657,1659,1660,1662,1663,1627],{},"The type parameter (",[1092,1643,1161],{},") says what it holds; primitives need their wrapper type (",[1092,1646,1168],{},", ",[1092,1649,1172],{},[1092,1651,1256],{},[1092,1653,1268],{},") — autoboxing\u002Funboxing converts automatically, but unboxing a ",[1092,1656,1300],{},[1092,1658,1304],{},", and ",[1092,1661,1320],{}," on wrappers is unreliable (use ",[1092,1664,1337],{},[1293,1666,1667,1668,1670],{},"The diamond (",[1092,1669,1587],{},") infers the type parameter from the declared type on the left.",[1293,1672,1673,1674,1647,1677,1647,1680,1647,1683,1647,1686,1647,1689,1647,1692,1647,1695,1647,1698,1647,1701,1305],{},"Core methods: ",[1092,1675,1676],{},"size()",[1092,1678,1679],{},"add()",[1092,1681,1682],{},"add(index, obj)",[1092,1684,1685],{},"get(index)",[1092,1687,1688],{},"set(index, obj)",[1092,1690,1691],{},"remove(index)",[1092,1693,1694],{},"remove(Object)",[1092,1696,1697],{},"contains()",[1092,1699,1700],{},"indexOf()",[1092,1702,1703],{},"isEmpty()",[1293,1705,1706,1707,1355,1709,1567,1711,1713,1714,1355,1716,1169,1718,1305],{},"Arrays use ",[1092,1708,1560],{},[1092,1710,1448],{},[1092,1712,1094],{}," uses ",[1092,1715,1563],{},[1092,1717,1441],{},[1092,1719,1444],{},[1085,1721,1722,1723,1726,1727,1730],{},"Derived from ",[1092,1724,1725],{},"csawesome-2026",": ",[1092,1728,1729],{},"unit-4-data-collections\u002F4.08-arraylist-and-its-methods.md"," (CSA 4.8)",[1732,1733,1734],"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":1102,"searchDepth":1115,"depth":1115,"links":1736},[1737,1738,1739,1740,1741,1742,1743],{"id":1082,"depth":1115,"text":1083},{"id":1155,"depth":1115,"text":1156},{"id":1191,"depth":1115,"text":1192},{"id":1367,"depth":1115,"text":1368},{"id":1452,"depth":1115,"text":1453},{"id":1533,"depth":1115,"text":1534},{"id":1630,"depth":1115,"text":1631},"md",{"outlineRef":1746,"status":1747},"9.2 — ArrayList and its Methods (CSA 4.8)","new — authored lesson (fuller depth than the teaser slide). See 9.1's note on why this combined-slide topic gets its own separate Lesson.",{"title":146,"description":1102},"q5YVtCZdDD6rcvODZx8URaT4mNOKhwf04FSgVrQQEiw",{"id":1751,"title":583,"body":1752,"description":1102,"extension":1744,"meta":2035,"navigation":1118,"path":582,"seo":2038,"stem":584,"__hash__":2039},"examples\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods.md",{"type":1073,"value":1753,"toc":2023},[1754,1757,1761,1764,1768,1789,1793,1799,1817,1826,1830,1850,1856,1860,1865,1880,1884,1892,1907,1911,1917,1932,1936,1945,1949,1958,1973,1977,2021],[1076,1755,583],{"id":1756},"arraylist-and-its-methods-worked-example",[1080,1758,1760],{"id":1759},"problem","Problem",[1085,1762,1763],{},"During a match, keep a running list of notable events (\"Note Scored\", \"Climbed\") as they happen — you don't know ahead of time how many there will be. After the match, insert a boot-time entry at the very start, fix a misspelled entry, and delete one that turned out to be a false alarm.",[1080,1765,1767],{"id":1766},"step-1-plan-it-first","Step 1: Plan It First",[1769,1770,1771,1774,1777,1780,1783,1786],"ol",{},[1293,1772,1773],{},"Create a list that can grow as events happen.",[1293,1775,1776],{},"Add events to the end, in order, as they occur.",[1293,1778,1779],{},"Insert a \"Match Started\" entry at the very front, after the fact.",[1293,1781,1782],{},"Fix a misspelled entry in place.",[1293,1784,1785],{},"Remove a false-alarm entry.",[1293,1787,1788],{},"Print how many entries remain.",[1080,1790,1792],{"id":1791},"step-2-create-the-list","Step 2: Create the List",[1085,1794,1795,1796,1798],{},"An array can't do this — its size is fixed forever once created. ",[1092,1797,1094],{}," is Java's resizable alternative, for exactly this situation: you don't know the final size up front.",[1097,1800,1802],{"className":1099,"code":1801,"language":1101,"meta":1102,"style":1102},"import java.util.ArrayList;\n\nArrayList\u003CString> matchLog = new ArrayList\u003C>();\n",[1092,1803,1804,1808,1812],{"__ignoreMap":1102},[1106,1805,1806],{"class":1108,"line":1109},[1106,1807,1112],{},[1106,1809,1810],{"class":1108,"line":1115},[1106,1811,1119],{"emptyLinePlaceholder":1118},[1106,1813,1814],{"class":1108,"line":1122},[1106,1815,1816],{},"ArrayList\u003CString> matchLog = new ArrayList\u003C>();\n",[1085,1818,1819,1822,1823,1825],{},[1092,1820,1821],{},"ArrayList\u003CString>"," — the type in angle brackets says this list holds ",[1092,1824,1147],{}," objects.",[1080,1827,1829],{"id":1828},"step-3-add-events-as-they-happen","Step 3: Add Events as They Happen",[1097,1831,1833],{"className":1099,"code":1832,"language":1101,"meta":1102,"style":1102},"matchLog.add(\"Note Scored\");\nmatchLog.add(\"Note Scoared\"); \u002F\u002F typo, will fix in a later step\nmatchLog.add(\"Climbed\");\n",[1092,1834,1835,1840,1845],{"__ignoreMap":1102},[1106,1836,1837],{"class":1108,"line":1109},[1106,1838,1839],{},"matchLog.add(\"Note Scored\");\n",[1106,1841,1842],{"class":1108,"line":1115},[1106,1843,1844],{},"matchLog.add(\"Note Scoared\"); \u002F\u002F typo, will fix in a later step\n",[1106,1846,1847],{"class":1108,"line":1122},[1106,1848,1849],{},"matchLog.add(\"Climbed\");\n",[1085,1851,1852,1855],{},[1092,1853,1854],{},"add(...)"," with no index always appends to the end.",[1080,1857,1859],{"id":1858},"step-4-insert-at-the-front","Step 4: Insert at the Front",[1085,1861,1862,1864],{},[1092,1863,1682],{}," inserts at a specific position, shifting everything else right:",[1097,1866,1868],{"className":1099,"code":1867,"language":1101,"meta":1102,"style":1102},"matchLog.add(0, \"Match Started\");\n\u002F\u002F matchLog is now: \"Match Started\", \"Note Scored\", \"Note Scoared\", \"Climbed\"\n",[1092,1869,1870,1875],{"__ignoreMap":1102},[1106,1871,1872],{"class":1108,"line":1109},[1106,1873,1874],{},"matchLog.add(0, \"Match Started\");\n",[1106,1876,1877],{"class":1108,"line":1115},[1106,1878,1879],{},"\u002F\u002F matchLog is now: \"Match Started\", \"Note Scored\", \"Note Scoared\", \"Climbed\"\n",[1080,1881,1883],{"id":1882},"step-5-fix-the-misspelled-entry","Step 5: Fix the Misspelled Entry",[1085,1885,1886,1888,1889,1891],{},[1092,1887,1685],{}," reads an element; ",[1092,1890,1688],{}," replaces it:",[1097,1893,1895],{"className":1099,"code":1894,"language":1101,"meta":1102,"style":1102},"System.out.println(matchLog.get(2)); \u002F\u002F \"Note Scoared\" — confirms which index has the typo\nmatchLog.set(2, \"Note Scored\");      \u002F\u002F corrected in place\n",[1092,1896,1897,1902],{"__ignoreMap":1102},[1106,1898,1899],{"class":1108,"line":1109},[1106,1900,1901],{},"System.out.println(matchLog.get(2)); \u002F\u002F \"Note Scoared\" — confirms which index has the typo\n",[1106,1903,1904],{"class":1108,"line":1115},[1106,1905,1906],{},"matchLog.set(2, \"Note Scored\");      \u002F\u002F corrected in place\n",[1080,1908,1910],{"id":1909},"step-6-remove-the-false-alarm","Step 6: Remove the False Alarm",[1085,1912,1913,1914,1916],{},"Say \"Climbed\" was reported by mistake — ",[1092,1915,1691],{}," deletes it, shifting later elements left:",[1097,1918,1920],{"className":1099,"code":1919,"language":1101,"meta":1102,"style":1102},"matchLog.remove(3);\n\u002F\u002F matchLog is now: \"Match Started\", \"Note Scored\", \"Note Scored\"\n",[1092,1921,1922,1927],{"__ignoreMap":1102},[1106,1923,1924],{"class":1108,"line":1109},[1106,1925,1926],{},"matchLog.remove(3);\n",[1106,1928,1929],{"class":1108,"line":1115},[1106,1930,1931],{},"\u002F\u002F matchLog is now: \"Match Started\", \"Note Scored\", \"Note Scored\"\n",[1080,1933,1935],{"id":1934},"step-7-check-how-many-entries-remain","Step 7: Check How Many Entries Remain",[1097,1937,1939],{"className":1099,"code":1938,"language":1101,"meta":1102,"style":1102},"System.out.println(matchLog.size()); \u002F\u002F 3 — a method call, unlike an array's .length field\n",[1092,1940,1941],{"__ignoreMap":1102},[1106,1942,1943],{"class":1108,"line":1109},[1106,1944,1938],{},[1080,1946,1948],{"id":1947},"bonus-logging-a-number-instead-of-text","Bonus: Logging a Number Instead of Text",[1085,1950,1951,1952,1954,1955,1957],{},"If you wanted to log the elapsed match time (a number) for each event instead of a description, ",[1092,1953,1094],{}," can only hold objects — not primitives directly — so a list of numbers uses the wrapper type ",[1092,1956,1172],{},", and Java converts back and forth automatically (autoboxing):",[1097,1959,1961],{"className":1099,"code":1960,"language":1101,"meta":1102,"style":1102},"ArrayList\u003CDouble> eventTimes = new ArrayList\u003C>();\neventTimes.add(12.4); \u002F\u002F the double 12.4 is autoboxed into a Double\n",[1092,1962,1963,1968],{"__ignoreMap":1102},[1106,1964,1965],{"class":1108,"line":1109},[1106,1966,1967],{},"ArrayList\u003CDouble> eventTimes = new ArrayList\u003C>();\n",[1106,1969,1970],{"class":1108,"line":1115},[1106,1971,1972],{},"eventTimes.add(12.4); \u002F\u002F the double 12.4 is autoboxed into a Double\n",[1080,1974,1976],{"id":1975},"recap","Recap",[1290,1978,1979,1984,1993,2007],{},[1293,1980,1981,1983],{},[1092,1982,1094],{}," is a resizable list — use it when the size isn't known up front or will change at runtime, unlike an array.",[1293,1985,1641,1986,1644,1988,1647,1990,1992],{},[1092,1987,1161],{},[1092,1989,1168],{},[1092,1991,1172],{},"), converted automatically via autoboxing.",[1293,1994,1673,1995,1647,1997,1647,1999,1647,2001,1647,2003,1647,2005,1305],{},[1092,1996,1676],{},[1092,1998,1679],{},[1092,2000,1682],{},[1092,2002,1685],{},[1092,2004,1688],{},[1092,2006,1691],{},[1293,2008,1706,2009,1355,2011,1567,2013,1713,2015,1355,2017,1169,2019,1305],{},[1092,2010,1560],{},[1092,2012,1448],{},[1092,2014,1094],{},[1092,2016,1563],{},[1092,2018,1441],{},[1092,2020,1444],{},[1732,2022,1734],{},{"title":1102,"searchDepth":1115,"depth":1115,"links":2024},[2025,2026,2027,2028,2029,2030,2031,2032,2033,2034],{"id":1759,"depth":1115,"text":1760},{"id":1766,"depth":1115,"text":1767},{"id":1791,"depth":1115,"text":1792},{"id":1828,"depth":1115,"text":1829},{"id":1858,"depth":1115,"text":1859},{"id":1882,"depth":1115,"text":1883},{"id":1909,"depth":1115,"text":1910},{"id":1934,"depth":1115,"text":1935},{"id":1947,"depth":1115,"text":1948},{"id":1975,"depth":1115,"text":1976},{"outlineRef":1746,"pairsWith":2036,"status":2037},"[`lessons\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods.md`](..\u002F..\u002Flessons\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods.md)","new — authored worked example (fully solved, walked step by step — not a problem to attempt)",{"title":583,"description":1102},"aMnWChNn-BGIbHZnLCCcpgMGKq5aLaTnPKU-qwjnlaI",{"id":2041,"title":892,"body":2042,"description":1102,"extension":1744,"meta":2706,"navigation":1118,"path":891,"seo":2708,"stem":893,"__hash__":2709},"exercises\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods.md",{"type":1073,"value":2043,"toc":2701},[2044,2047,2051,2057,2082,2089,2094,2117,2123,2137,2162,2166,2172,2175,2237,2242,2300,2355,2359,2365,2391,2394,2421,2429,2434,2478,2483,2599,2604,2651,2699],[1076,2045,892],{"id":2046},"arraylist-and-its-methods-exercises",[1080,2048,2050],{"id":2049},"multiple-choice","Multiple Choice",[1085,2052,2053,2056],{},[1089,2054,2055],{},"Question:"," Given:",[1097,2058,2060],{"className":1099,"code":2059,"language":1101,"meta":1102,"style":1102},"ArrayList\u003CString> queue = new ArrayList\u003CString>();\nqueue.add(\"Scout 254\");\nqueue.add(\"Scout 118\");\nqueue.add(1, \"Scout 33\");\n",[1092,2061,2062,2067,2072,2077],{"__ignoreMap":1102},[1106,2063,2064],{"class":1108,"line":1109},[1106,2065,2066],{},"ArrayList\u003CString> queue = new ArrayList\u003CString>();\n",[1106,2068,2069],{"class":1108,"line":1115},[1106,2070,2071],{},"queue.add(\"Scout 254\");\n",[1106,2073,2074],{"class":1108,"line":1122},[1106,2075,2076],{},"queue.add(\"Scout 118\");\n",[1106,2078,2079],{"class":1108,"line":1128},[1106,2080,2081],{},"queue.add(1, \"Scout 33\");\n",[1085,2083,2084,2085,2088],{},"What does ",[1092,2086,2087],{},"queue.get(1)"," return afterward?",[1085,2090,2091],{},[1089,2092,2093],{},"Options:",[1290,2095,2096,2102,2108,2114],{},[1293,2097,2098,2099],{},"A. ",[1092,2100,2101],{},"\"Scout 33\"",[1293,2103,2104,2105],{},"B. ",[1092,2106,2107],{},"\"Scout 118\"",[1293,2109,2110,2111],{},"C. ",[1092,2112,2113],{},"\"Scout 254\"",[1293,2115,2116],{},"D. This throws an exception because index 1 already had an element",[1085,2118,2119,2122],{},[1089,2120,2121],{},"Answer:"," A",[1085,2124,2125,1351,2128,2130,2131,2133,2134,2136],{},[1089,2126,2127],{},"Why:",[1092,2129,1682],{}," inserts at that index and shifts everything at or after it one position to the right. ",[1092,2132,2101],{}," is inserted at index 1, pushing ",[1092,2135,2107],{}," (previously at index 1) to index 2.",[1290,2138,2139,2150,2156],{},[1293,2140,2141,2142,2145,2146,2149],{},"B is wrong — that's what ",[1092,2143,2144],{},"get(1)"," would have returned ",[1361,2147,2148],{},"before"," the insert; the shift moved it to index 2.",[1293,2151,2152,2153,2155],{},"C is wrong — ",[1092,2154,2113],{}," stays at index 0, since the insert happened at index 1, not 0.",[1293,2157,2158,2159,2161],{},"D is wrong — inserting and shifting existing elements is exactly what ",[1092,2160,1682],{}," is designed to do, not something that throws.",[1080,2163,2165],{"id":2164},"micro-parsons","Micro-Parsons",[1085,2167,2168,2171],{},[1089,2169,2170],{},"Problem:"," These lines, once correctly ordered, form a complete program that creates an ArrayList of pit inventory part names, adds one part to it, then prints how many parts are in the list.",[1085,2173,2174],{},"Reorder the fragments below into a working program:",[1290,2176,2177,2183,2189,2195,2201,2207,2213,2219,2225,2231],{},[1293,2178,2179,2180],{},"a. ",[1092,2181,2182],{},"        parts.add(\"Backup Battery\");",[1293,2184,2185,2186],{},"b. ",[1092,2187,2188],{},"public class PitInventory",[1293,2190,2191,2192],{},"c. ",[1092,2193,2194],{},"    }",[1293,2196,2197,2198],{},"d. ",[1092,2199,2200],{},"{",[1293,2202,2203,2204],{},"e. ",[1092,2205,2206],{},"    public static void main(String[] args)",[1293,2208,2209,2210],{},"f. ",[1092,2211,2212],{},"}",[1293,2214,2215,2216],{},"g. ",[1092,2217,2218],{},"    {",[1293,2220,2221,2222],{},"h. ",[1092,2223,2224],{},"        ArrayList\u003CString> parts = new ArrayList\u003CString>();",[1293,2226,2227,2228],{},"i. ",[1092,2229,2230],{},"        System.out.println(parts.size());",[1293,2232,2233,2234],{},"j. ",[1092,2235,2236],{},"import java.util.ArrayList;",[1085,2238,2239,2241],{},[1089,2240,2121],{}," j, b, d, e, g, h, a, i, c, f",[1097,2243,2245],{"className":1099,"code":2244,"language":1101,"meta":1102,"style":1102},"import java.util.ArrayList;\n\npublic class PitInventory\n{\n    public static void main(String[] args)\n    {\n        ArrayList\u003CString> parts = new ArrayList\u003CString>();\n        parts.add(\"Backup Battery\");\n        System.out.println(parts.size());\n    }\n}\n",[1092,2246,2247,2251,2255,2260,2265,2270,2275,2280,2285,2290,2295],{"__ignoreMap":1102},[1106,2248,2249],{"class":1108,"line":1109},[1106,2250,1112],{},[1106,2252,2253],{"class":1108,"line":1115},[1106,2254,1119],{"emptyLinePlaceholder":1118},[1106,2256,2257],{"class":1108,"line":1122},[1106,2258,2259],{},"public class PitInventory\n",[1106,2261,2262],{"class":1108,"line":1128},[1106,2263,2264],{},"{\n",[1106,2266,2267],{"class":1108,"line":1134},[1106,2268,2269],{},"    public static void main(String[] args)\n",[1106,2271,2272],{"class":1108,"line":1400},[1106,2273,2274],{},"    {\n",[1106,2276,2277],{"class":1108,"line":1406},[1106,2278,2279],{},"        ArrayList\u003CString> parts = new ArrayList\u003CString>();\n",[1106,2281,2282],{"class":1108,"line":1412},[1106,2283,2284],{},"        parts.add(\"Backup Battery\");\n",[1106,2286,2287],{"class":1108,"line":1418},[1106,2288,2289],{},"        System.out.println(parts.size());\n",[1106,2291,2292],{"class":1108,"line":1424},[1106,2293,2294],{},"    }\n",[1106,2296,2297],{"class":1108,"line":1430},[1106,2298,2299],{},"}\n",[1085,2301,2302,2305,2306,2309,2310,2313,2314,2316,2317,1647,2320,1647,2323,1647,2326,2329,2330,2333,2334,2337,2338,2309,2340,2343,2344,2347,2348,2351,2352,1627],{},[1089,2303,2304],{},"Why this order:"," The ",[1092,2307,2308],{},"import"," (",[1092,2311,2312],{},"j",") has to appear before the class that uses ",[1092,2315,1094],{},". Then the usual class\u002Fmain scaffolding (",[1092,2318,2319],{},"b",[1092,2321,2322],{},"d",[1092,2324,2325],{},"e",[1092,2327,2328],{},"g","). The list must be created (",[1092,2331,2332],{},"h",") before anything can be added to it (",[1092,2335,2336],{},"a","), and it must be created and filled before ",[1092,2339,1676],{},[1092,2341,2342],{},"i",") can report anything meaningful. The braces close in reverse: ",[1092,2345,2346],{},"main","'s body (",[1092,2349,2350],{},"c","), then the class's body (",[1092,2353,2354],{},"f",[1080,2356,2358],{"id":2357},"coding","Coding",[1085,2360,2361,2364],{},[1089,2362,2363],{},"Mode:"," harness",[1085,2366,2367,2369,2370,2373,2374,2380,2381,2383,2384,2387,2388,2390],{},[1089,2368,2170],{}," Write ",[1092,2371,2372],{},"dropId",", which removes the ",[1089,2375,2376,2377],{},"first element whose value equals ",[1092,2378,2379],{},"id"," from the list and\nreturns the list. If no element equals ",[1092,2382,2379],{},", return the list unchanged. Remove by ",[1089,2385,2386],{},"value",", not by position:\n",[1092,2389,2379],{}," is a CAN ID, not an index.",[1085,2392,2393],{},"Examples:",[1290,2395,2396,2405,2413],{},[1293,2397,2398,2401,2402],{},[1092,2399,2400],{},"dropId([5, 7, 1], 1)"," returns ",[1092,2403,2404],{},"[5, 7]",[1293,2406,2407,2401,2410],{},[1092,2408,2409],{},"dropId([10, 20, 30], 30)",[1092,2411,2412],{},"[10, 20]",[1293,2414,2415,2401,2418],{},[1092,2416,2417],{},"dropId([4, 4, 9], 4)",[1092,2419,2420],{},"[4, 9]",[1085,2422,2423,1351,2426],{},[1089,2424,2425],{},"Signature:",[1092,2427,2428],{},"public static ArrayList\u003CInteger> dropId(ArrayList\u003CInteger> ids, int id)",[1085,2430,2431],{},[1089,2432,2433],{},"Starter:",[1097,2435,2437],{"className":1099,"code":2436,"language":1101,"meta":1102,"style":1102},"import java.util.ArrayList;\n\npublic class Solution\n{\n    public static ArrayList\u003CInteger> dropId(ArrayList\u003CInteger> ids, int id)\n    {\n        \u002F\u002F TODO: remove the first element equal to id, then return the list\n    }\n}\n",[1092,2438,2439,2443,2447,2452,2456,2461,2465,2470,2474],{"__ignoreMap":1102},[1106,2440,2441],{"class":1108,"line":1109},[1106,2442,1112],{},[1106,2444,2445],{"class":1108,"line":1115},[1106,2446,1119],{"emptyLinePlaceholder":1118},[1106,2448,2449],{"class":1108,"line":1122},[1106,2450,2451],{},"public class Solution\n",[1106,2453,2454],{"class":1108,"line":1128},[1106,2455,2264],{},[1106,2457,2458],{"class":1108,"line":1134},[1106,2459,2460],{},"    public static ArrayList\u003CInteger> dropId(ArrayList\u003CInteger> ids, int id)\n",[1106,2462,2463],{"class":1108,"line":1400},[1106,2464,2274],{},[1106,2466,2467],{"class":1108,"line":1406},[1106,2468,2469],{},"        \u002F\u002F TODO: remove the first element equal to id, then return the list\n",[1106,2471,2472],{"class":1108,"line":1412},[1106,2473,2294],{},[1106,2475,2476],{"class":1108,"line":1418},[1106,2477,2299],{},[1085,2479,2480],{},[1089,2481,2482],{},"Tests:",[1204,2484,2485,2498],{},[1207,2486,2487],{},[1210,2488,2489,2492,2495],{},[1213,2490,2491],{},"Visible",[1213,2493,2494],{},"Arguments",[1213,2496,2497],{},"Expected",[1220,2499,2500,2515,2529,2543,2557,2571,2585],{},[1210,2501,2502,2505,2510],{},[1225,2503,2504],{},"yes",[1225,2506,2507],{},[1092,2508,2509],{},"new java.util.ArrayList\u003C>(java.util.List.of(5, 7, 1)), 1",[1225,2511,2512],{},[1092,2513,2514],{},"new java.util.ArrayList\u003C>(java.util.List.of(5, 7))",[1210,2516,2517,2519,2524],{},[1225,2518,2504],{},[1225,2520,2521],{},[1092,2522,2523],{},"new java.util.ArrayList\u003C>(java.util.List.of(10, 20, 30)), 30",[1225,2525,2526],{},[1092,2527,2528],{},"new java.util.ArrayList\u003C>(java.util.List.of(10, 20))",[1210,2530,2531,2533,2538],{},[1225,2532,2504],{},[1225,2534,2535],{},[1092,2536,2537],{},"new java.util.ArrayList\u003C>(java.util.List.of(4, 4, 9)), 4",[1225,2539,2540],{},[1092,2541,2542],{},"new java.util.ArrayList\u003C>(java.util.List.of(4, 9))",[1210,2544,2545,2548,2553],{},[1225,2546,2547],{},"no",[1225,2549,2550],{},[1092,2551,2552],{},"new java.util.ArrayList\u003C>(java.util.List.of(5, 7)), 9",[1225,2554,2555],{},[1092,2556,2514],{},[1210,2558,2559,2561,2566],{},[1225,2560,2547],{},[1225,2562,2563],{},[1092,2564,2565],{},"new java.util.ArrayList\u003C>(java.util.List.of(3, 1, 8, 1)), 8",[1225,2567,2568],{},[1092,2569,2570],{},"new java.util.ArrayList\u003C>(java.util.List.of(3, 1, 1))",[1210,2572,2573,2575,2580],{},[1225,2574,2547],{},[1225,2576,2577],{},[1092,2578,2579],{},"new java.util.ArrayList\u003C>(java.util.List.of(2)), 2",[1225,2581,2582],{},[1092,2583,2584],{},"new java.util.ArrayList\u003C>()",[1210,2586,2587,2589,2594],{},[1225,2588,2547],{},[1225,2590,2591],{},[1092,2592,2593],{},"new java.util.ArrayList\u003C>(java.util.List.of(0, 6, 0)), 0",[1225,2595,2596],{},[1092,2597,2598],{},"new java.util.ArrayList\u003C>(java.util.List.of(6, 0))",[1085,2600,2601],{},[1089,2602,2603],{},"Solution:",[1097,2605,2607],{"className":1099,"code":2606,"language":1101,"meta":1102,"style":1102},"import java.util.ArrayList;\n\npublic class Solution\n{\n    public static ArrayList\u003CInteger> dropId(ArrayList\u003CInteger> ids, int id)\n    {\n        ids.remove(Integer.valueOf(id));\n        return ids;\n    }\n}\n",[1092,2608,2609,2613,2617,2621,2625,2629,2633,2638,2643,2647],{"__ignoreMap":1102},[1106,2610,2611],{"class":1108,"line":1109},[1106,2612,1112],{},[1106,2614,2615],{"class":1108,"line":1115},[1106,2616,1119],{"emptyLinePlaceholder":1118},[1106,2618,2619],{"class":1108,"line":1122},[1106,2620,2451],{},[1106,2622,2623],{"class":1108,"line":1128},[1106,2624,2264],{},[1106,2626,2627],{"class":1108,"line":1134},[1106,2628,2460],{},[1106,2630,2631],{"class":1108,"line":1400},[1106,2632,2274],{},[1106,2634,2635],{"class":1108,"line":1406},[1106,2636,2637],{},"        ids.remove(Integer.valueOf(id));\n",[1106,2639,2640],{"class":1108,"line":1412},[1106,2641,2642],{},"        return ids;\n",[1106,2644,2645],{"class":1108,"line":1418},[1106,2646,2294],{},[1106,2648,2649],{"class":1108,"line":1424},[1106,2650,2299],{},[1085,2652,2653,1351,2655,2658,2659,2661,2662,2664,2665,2668,2669,2672,2673,2676,2677,2680,2681,2684,2685,2688,2689,2692,2693,2695,2696,2698],{},[1089,2654,2127],{},[1092,2656,2657],{},"ids.remove(id)"," with an ",[1092,2660,1229],{}," argument always picks ",[1092,2663,1614],{},", so it removes by\n",[1089,2666,2667],{},"position",": for ",[1092,2670,2671],{},"[5, 7, 1]"," it would remove the element at index ",[1092,2674,2675],{},"1"," (the ",[1092,2678,2679],{},"7","), and for ",[1092,2682,2683],{},"[10, 20, 30]"," it\nwould throw ",[1092,2686,2687],{},"IndexOutOfBoundsException",". Wrapping the value with ",[1092,2690,2691],{},"Integer.valueOf(id)"," selects\n",[1092,2694,1694],{},", which removes the first element that ",[1092,2697,1337],{}," the value and does nothing when there is\nno match.",[1732,2700,1734],{},{"title":1102,"searchDepth":1115,"depth":1115,"links":2702},[2703,2704,2705],{"id":2049,"depth":1115,"text":2050},{"id":2164,"depth":1115,"text":2165},{"id":2357,"depth":1115,"text":2358},{"outlineRef":1746,"pairsWith":2036,"status":2707},"new — authored exercises (Multiple Choice + Micro-Parsons + Coding)",{"title":892,"description":1102},"3NVicRxYJUGxuFyVDqQlIPZfanMZBzqWRDHpYBNonaI",1792718165917]