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CardLayout Class Methods in Java
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CardLayout Class Methods in Java

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@EnrapturedSard6364

Questions and Answers

Which method of the CardLayout class allows you to flip to the last card in a given container?

  • previous(Container parent)
  • next(Container parent)
  • last(Container parent) (correct)
  • first(Container parent)

    • What is a characteristic of the Dialog constructor that includes a title and a modal parameter?

  • Implements a dialog that does not block user input.
  • Creates a visible dialog.
  • Initializes a modeless dialog. (correct)
  • Specifies the title of the dialog. (correct)

    • Which Dialog constructor creates an initially invisible dialog with a specified owner and title?

  • Dialog(Frame owner, boolean modal)
  • Dialog(Dialog owner, String title, boolean modal)
  • Dialog(Dialog owner, String title)
  • Dialog(Frame owner, String title) (correct)

    • Which CardLayout method allows you to show a specific card by its name?

    <p>show(Container parent, String name)</p> Signup and view all the answers

    Which constructor is responsible for initializing a file dialog window with a specified title?

    <p>FileDialog(Dialog parent, String title)</p> Signup and view all the answers

    Which statement accurately describes a constructor of the GridLayout class?

    <p>GridLayout(int rows, int columns, int hgap, int vgap) creates a grid with specified rows, columns, and gaps.</p> Signup and view all the answers

    In BorderLayout, which area is NOT a valid region for component placement?

    <p>Middle</p> Signup and view all the answers

    What best describes the layout arrangement of the GridBagLayout class?

    <p>It allows for precise control over component placement across a grid with varying sizes.</p> Signup and view all the answers

    Which method is used to create an empty CardLayout?

    <p>CardLayout()</p> Signup and view all the answers

    Which of the following statements about GridLayout is incorrect?

    <p>GridLayout can only be constructed with both rows and columns specified.</p> Signup and view all the answers

    Study Notes

    CardLayout Class

    • next(Container parent): Flips to the next card in the specified container.
    • previous(Container parent): Flips to the previous card in the specified container.
    • first(Container parent): Flips to the first card in the specified container.
    • last(Container parent): Flips to the last card in the specified container.
    • show(Container parent, String name): Flips to the card that matches the specified name.
    • MenuItem: Extends MenuComponent and implements Accessible.
    • Menu: Extends MenuItem, serves as a container for menu items, and also implements Accessible.

    Dialog Class

    • Dialog: Extends Window and represents dialog windows.
    • Constructors include options for specifying an owner (Dialog or Frame), title, and modality.
    • Various constructors allow for customization, including:
      • Dialog(Dialog owner): Invisible, modeless dialog with empty title.
      • Dialog(Frame owner, String title): Invisible dialog with specified owner and title.
      • Dialog(Dialog owner, String title, boolean modal): Dialog with specified modality.

    FileDialog Class

    • FileDialog(Dialog parent): Creates a file dialog for loading files.
    • FileDialog(Dialog parent, String title): Creates a file dialog with a specified title.

    Layout Managers

    • Layout managers arrange GUI components effectively within a container.

    • FlowLayout: Arranges components in a single line (flow).

      • Fields: constants for alignment include LEFT, RIGHT, CENTER, LEADING, TRAILING.
      • Constructors create flow layouts with various alignments and default gaps.

    • BorderLayout: Divides the container into five regions: NORTH, SOUTH, EAST, WEST, CENTER.

      • Each region contains a single component, serving as the default for frames and windows.
      • Constructors enable creation of layouts with or without gaps.

    GridLayout Class

    • Arranges components in a rectangular grid, displaying one component per rectangle.
    • Constructors provide flexibility:
      • GridLayout(): One column per component by default.
      • GridLayout(int rows, int columns): No gaps between components.
      • GridLayout(int rows, int columns, int hgap, int vgap): Custom gaps.

    GridBagLayout Class

    • Aligns components vertically, horizontally, or along their baseline.
    • GridBagLayout(): Default constructor for creating a grid bag layout manager.

    CardLayout Class (Overview)

    • Manages components such that only one component (card) is visible at a time.
    • Constructors allow for defining horizontal and vertical gaps.
    • Usage promotes a card-game style of interface navigation.

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    Description

    Test your knowledge of the CardLayout class in Java through this quiz. Explore the functions that allow you to navigate between different cards in a container. Understand the usage of methods like next, previous, first, last, and show.

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