《Java2图形设计卷II：Swing》配套光盘源码

				import java.awt.*;
				import javax.swing.*;
				import javax.swing.event.*;
				import javax.swing.text.*;
				
				public class Test extends JApplet {
					public Test() {
						Container contentPane = getContentPane();
						JTextArea textArea = new JTextArea();
				
						contentPane.add(textArea, BorderLayout.CENTER);
				
						textArea.setFont(new Font("Dialog", Font.PLAIN, 24));
				
						textArea.addCaretListener(new CaretListener() {
							public void caretUpdate(CaretEvent e) {
								showStatus("Mark: " + e.getMark() +
										   "  /  Dot: " + e.getDot());
							}
						});
					}
				}