Chapter 1GUI Components

Which layout arranges components in rows?

Which of the following is not one of the BorderLayout index?

• BorderLayout.CENTER

• BorderLayout.EAST

• BorderLayout.SOUTHEAST

• BorderLayout.NORTH

What is it called when a program is written to respond to the button clicks, menu selections, and other actions of the user in whatever order the user does them?

• Event-driven programming.

• Action-driven programming.

• User-driven programming.

• Mouse-driven programming

10. Find when the user clicks a button, _________ is triggered.

• A. an event

• B. a method

• C. a setting

• D. a property

A JFrame is a descendant of each of the following classes except the ________class.

• Component

• Jar

• Container

• Window

Fill in the blanks so that this program displays a Frame:

import java.awt.*;

public class microGUI

{

public static void main ( String[] args )

{

Frame frm = new ___________();

frm.___________( 150, 100 );

frm.___________( true );

}

}

• Form, setVisible, setOn

• Frame, setSize, setVisible

• Frame, setVisible, setSize

• Window, setSize, paint

The statement JFrame myFrame = new JFrame(); creates a JFrame that is _______.

• invisible and has no title

• invisible and has a title

• visible and has no title

• visible and has a title

Usually GUI programs are written by using existing software components provided in a toolkit. The Java toolkit used in this chapter is the:

• GUI toolkit

• Abstract Windowing Toolkit

• Graphics Event Toolkit

• Java Enhancement Toolkit

Suppose that you create an application in which you instantiate a JFrame named frame1 and a JLabel named label1. Which of the following statements within the application adds label1 to frame1?

• label1.add(frame1);

• frame1.add(label1);

• this.add(label1);

• two of the above

A JFrame contains a JButton named button1 that should execute an actionPerformed() method when clicked. Which statement is needed in the JFrame class?

• addActionListener(this);

• addActionListener(button1);

• button1.addActionListener(this);

• this.addActionListener(button1);