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Java AWT: Panel and Frame Class Hierarchy

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Java AWT: Panel and Frame Class Hierarchy

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Questions and Answers

Which package contains all the predefined classes for designing GUI in Java?

java.io

java.awt (correct)

java.lang

java.util

Which container does not contain a title bar and menu bar?

Frame

Window

Panel (correct)

Dialog

What type of controls can be used in AWT to develop GUI applications?

Text field, Combo box, Table, Radio buttons

Labels, TextField, Buttons, Check boxes, Choice, Lists, Menu (correct)

Radio buttons, Drop-down lists, Text area, Date picker

Labels, Scroll bars, File chooser, Color picker

What is the default layout manager used by Window in AWT?

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

Where can an applet run and work?

<p>Inside the web browser at the client side</p> Signup and view all the answers

Study Notes

GUI Design in Java

The java.awt package contains all the predefined classes for designing GUI in Java.

Containers in AWT

A Panel is a container that does not contain a title bar and menu bar.

Controls in AWT

AWT (Abstract Window Toolkit) provides various types of controls, such as Button, Label, TextField, and CheckBox, to develop GUI applications.

Layout Managers in AWT

The BorderLayout is the default layout manager used by Window in AWT.

Applet Execution

An applet can run and work within a web browser or using the appletviewer tool.

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Description

Test your knowledge about the class hierarchy for panel and frame components in Java's Abstract Window Toolkit (AWT). Learn about the platform dependence of AWT components and design GUI using predefined classes in the java.awt package.