test.java

《Java2图形设计卷II：Swing》配套光盘源码

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Test extends JApplet {
	public Test() {
		Container contentPane = getContentPane();
		ButtonGroup group = new ButtonGroup();

		JToggleButton[] buttons = new JToggleButton[] {
			new JToggleButton(new ImageIcon("ballot_box.gif")),
			new JToggleButton(new ImageIcon("palette.gif")),
			new JToggleButton(new ImageIcon("light_bulb1.gif")),
			new JToggleButton(new ImageIcon("dining.gif")),
			new JToggleButton(new ImageIcon("scissors.gif")),
			new JToggleButton(new ImageIcon("tricycle.gif")),
		};
		Box box = Box.createVerticalBox();
		
		for(int i=0; i < buttons.length; ++i) {
			group.add(buttons[i]);
			box.add(Box.createVerticalStrut(5));
			box.add(buttons[i]);
		}
		box.add(Box.createVerticalStrut(5));
		contentPane.add(box);
	}
}