《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();
						JScrollBar sb = new JScrollBar();
				
						contentPane.add(sb, BorderLayout.EAST);
				
						sb.addAdjustmentListener(new AdjustmentListener() {
							public void adjustmentValueChanged(
															AdjustmentEvent e) {
								JScrollBar jsb = (JScrollBar)e.getAdjustable();
				
								if(jsb.getValueIsAdjusting())
									showStatus("adjusting ...");
								else
									showStatus(Integer.toString(e.getValue()));
							}
						});
					}
				}