corejava第10版

corejava第10版/v1ch06/timer/TimerTest.java

@@ -0,0 +1,38 @@
+package timer;
+
+/**
+   @version 1.01 2015-05-12
+   @author Cay Horstmann
+*/
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+import javax.swing.*;
+import javax.swing.Timer; 
+// to resolve conflict with java.util.Timer
+
+public class TimerTest
+{  
+   public static void main(String[] args)
+   {  
+      ActionListener listener = new TimePrinter();
+
+      // construct a timer that calls the listener
+      // once every 10 seconds
+      Timer t = new Timer(10000, listener);
+      t.start();
+
+      JOptionPane.showMessageDialog(null, "Quit program?");
+      System.exit(0);
+   }
+}
+
+class TimePrinter implements ActionListener
+{  
+   public void actionPerformed(ActionEvent event)
+   {  
+      System.out.println("At the tone, the time is " + new Date());
+      Toolkit.getDefaultToolkit().beep();
+   }
+}