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16 Questions

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Advance Java Unit 1: JFC and AWT

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Questions and Answers

Which graphical framework is part of the Java Foundation Classes for building portable Java-based graphical user interfaces?

Abstract Window Toolkit

JFC

Swing (correct)

Java 2D

What is the main purpose of Swing components in Java?

To create heavyweight visual components

To facilitate efficient GUI development (correct)

To replace AWT components

To provide native look and feel on different platforms

What is the purpose of pluggable look and feel (PL&F) in Swing components?

To create complex user-interface components

To enable mixing of AWT heavyweight and Swing lightweight components

To provide a consistent look and feel across different operating systems (correct)

To replace heavyweight AWT components

What distinguishes lightweight Swing components from heavyweight AWT components in terms of appearance?

Heavyweight components have opaque pixels, and lightweight components have transparent pixels. Signup and view all the answers

Which part of the Java Foundation Classes is used to create GUI objects such as buttons, scroll bars, and windows?

Abstract Window Toolkit Signup and view all the answers

What does JFC stand for in the context of Java programming?

Java Foundation Classes Signup and view all the answers

Which of the following statements about Swing components is true?

They are imported through a package called java.swing Signup and view all the answers

What is the main advantage of Swing components over AWT components?

Better support for pluggable look and feel Signup and view all the answers

Which design pattern is mainly followed by Swing components?

Model View Controller (MVC) pattern Signup and view all the answers

What does 'Lightweight' refer to in the context of Swing components?

Ease of creating lighter UI Signup and view all the answers

What is the root of the visual component class hierarchy in JFC?

JComponent class Signup and view all the answers

In what way does Swing provide support for user interface?

Through pluggable look and feel Signup and view all the answers

What allows Swing to plug into other customized implementations and framework for user interfaces?

Modular-based architecture Signup and view all the answers

What does the Model View Controller (MVC) pattern allow in Swing components?

Changes in one component without impacting others Signup and view all the answers

What package are the Swing components imported through?

javax.swing Signup and view all the answers

What does the term 'Manageable' imply in the context of Swing components?

Uniform changes possible without altering application code Signup and view all the answers