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Questions and Answers
Which layout is the default for JPanel and Applet?
Which layout is the default for JPanel and Applet?
Which component class cannot be added to an applet?
Which component class cannot be added to an applet?
What does a checkbox consist of?
What does a checkbox consist of?
What does a Frame's ContentPane designate?
What does a Frame's ContentPane designate?
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What is a superclass of Textfield and TextArea classes used to create single-line and multiline textfields respectively?
What is a superclass of Textfield and TextArea classes used to create single-line and multiline textfields respectively?
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Study Notes
JPanel and Applet Layout
- The default layout for both JPanel and Applet is FlowLayout, which arranges components in a left-to-right flow, similar to how text is displayed in a paragraph.
Components in Applet
- The component class that cannot be added to an applet is the Menu component. Menus must be used within a Frame or Dialog, not directly in an applet.
Checkbox Components
- A checkbox consists of a visual box that can be checked or unchecked, along with an associated label. This allows users to make binary selections within a user interface.
Frame's ContentPane
- The ContentPane of a Frame is the primary container that holds components. It designates the area where user interface elements such as buttons, labels, and text fields are placed.
Superclass of TextField and TextArea
- The superclass of TextField and TextArea classes is TextComponent. This abstract class serves as the foundation for creating single-line and multi-line text input fields, providing common features and functionalities for text handling.
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