?? timer.java~62~
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package socket.test.timer;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2005</p> * <p>Company: </p> * @author not attributable * @version 1.0 */import java.util.*;import java.awt.*;public class Timer { Toolkit toolkit; java.util.Timer timer; public Timer() { toolkit = Toolkit.getDefaultToolkit(); timer = new java.util.Timer(); timer.schedule(new RemindTask(), 0, 1*1000); } class RemindTask extends TimerTask { int numWarningBeeps = 3; public void run() { if (numWarningBeeps > 0) { toolkit.beep(); System.out.println("Beep!"); numWarningBeeps--; } else { toolkit.beep(); System.out.println("Time's up!"); System.exit(0); } } } public static void main(String args[]){ Timer s=new Timer(); }}?? 快捷鍵說明
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