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?

<p>Heavyweight components have opaque pixels, and lightweight components have transparent pixels. (A)</p> 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?

<p>Abstract Window Toolkit (A)</p> Signup and view all the answers

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

<p>Java Foundation Classes (C)</p> Signup and view all the answers

Which of the following statements about Swing components is true?

<p>They are imported through a package called java.swing (A)</p> Signup and view all the answers

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

<p>Better support for pluggable look and feel (A)</p> Signup and view all the answers

Which design pattern is mainly followed by Swing components?

<p>Model View Controller (MVC) pattern (C)</p> Signup and view all the answers

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

<p>Ease of creating lighter UI (C)</p> Signup and view all the answers

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

<p>JComponent class (C)</p> Signup and view all the answers

In what way does Swing provide support for user interface?

<p>Through pluggable look and feel (D)</p> Signup and view all the answers

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

<p>Modular-based architecture (D)</p> Signup and view all the answers

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

<p>Changes in one component without impacting others (C)</p> Signup and view all the answers

What package are the Swing components imported through?

<p>javax.swing (B)</p> Signup and view all the answers

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

<p>Uniform changes possible without altering application code (D)</p> Signup and view all the answers

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