《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();
						Object[] objects = new Object[] {
								new JLabel("JOptionPane(Object message)",
											new ImageIcon("beach_umbrella.gif"),
											JLabel.LEFT),
								new JCheckBox("check me out"),
								new VerboseObject(),
						};
						Object[] objects2 = new Object[] {
								"JOptionPane(Object message, int messageType)",
								"messageType = JOptionPane.INFORMATION_MESSAGE",
						};
						Object[] objects3 = new Object[] {
								"JOptionPane(Object message, " +
								"int messageType, int optionsType)",
								"messageType = JOptionPane.QUESTION_MESSAGE",
								"optionType = JOptionPane.YES_NO_CANCEL_OPTION",
						};
						Object[] objects4 = new Object[] {
								"JOptionPane(Object message, " +
								"int messageType, int optionsType, Icon icon)",
								"messageType = JOptionPane.WARNING_MESSAGE",
								"optionType = JOptionPane.OK_CANCEL_OPTION",
								"icon = new ImageIcon(\"ballot_box.gif\")",
						};
						Object[] objects5 = new Object[] {
								"JOptionPane(Object message, " +
								"int messageType, int optionsType, Icon icon)",
								"messageType = JOptionPane.ERROR_MESSAGE",
								"optionType = JOptionPane.OK_CANCEL_OPTION",
								"icon = null",
								"options = \"button 1\", \"button 2\", " +
											"new JButton(\"button 3\")",
						};
				
						JOptionPane defaultPane = new JOptionPane();
				
						JOptionPane messagePane = new JOptionPane(
								"JOptionPane(Object message)");
				
						JOptionPane objectPane = new JOptionPane(objects);
				
						JOptionPane messageTypePane = new JOptionPane(
								objects2, JOptionPane.INFORMATION_MESSAGE);
				
						JOptionPane messageAndOptionTypePane = new JOptionPane(
								objects3, JOptionPane.QUESTION_MESSAGE,
								JOptionPane.YES_NO_CANCEL_OPTION);
				
						JOptionPane messageOptionAndIconPane = new JOptionPane(
								objects4, JOptionPane.WARNING_MESSAGE,
								JOptionPane.OK_CANCEL_OPTION,
								new ImageIcon("ballot_box.gif"));
				
						Object[] options = {
							"button 1", "button 2", new JButton("button 3"),
						};
						JOptionPane messageOptionIconAndOptionsPane = 
																new JOptionPane(
								objects5, JOptionPane.ERROR_MESSAGE,
								JOptionPane.OK_CANCEL_OPTION,
								null,
								options,
								options[2]);
				
						contentPane.setLayout(new BoxLayout(contentPane, 
															BoxLayout.Y_AXIS));
						contentPane.add(defaultPane);
						contentPane.add(new JSeparator());
						contentPane.add(messagePane);
						contentPane.add(new JSeparator());
						contentPane.add(objectPane);
						contentPane.add(new JSeparator());
						contentPane.add(messageTypePane);
						contentPane.add(new JSeparator());
						contentPane.add(messageAndOptionTypePane);
						contentPane.add(new JSeparator());
						contentPane.add(messageOptionAndIconPane);
						contentPane.add(new JSeparator());
						contentPane.add(messageOptionIconAndOptionsPane);
					}
				}
				class VerboseObject extends Object { 
					public String toString() {
						return "This is what you'll see in the option pane";
					}
				}