1  public class ThreadPingPong extends Thread {
 2     private String name;
 3     private int    total;
 4     private int    delay;
   
 5     public ThreadPingPong( String n, int t, int d ) {
 6        name  = n;
 7        total = t;
 8        delay = d;
 9        start();
10     }
11     public void run() {
12        for (int i=0; i < total; i++) {
13           System.out.println( name + " - " + i * delay );
14           try { Thread.sleep( delay ); } catch (Exception e) { return; }
15        }
16     }
17     public static void main( String[] args ) {
18        new ThreadPingPong( "Ping", 5, 300 );
19        new ThreadPingPong( "Pong", 5, 500 );
20     }
21  }
   
   
22  public class ThreadPingPong implements Runnable {
23     private String name;
24     private int    total;
25     private int    delay;
   
26     public ThreadPingPong( String n, int t, int d ) {
27        name  = n;
28        total = t;
29        delay = d;
30        Thread th = new Thread( this );
31        th.start();
32     }
33     public void run() {
34        for (int i=0; i < total; i++) {
35           System.out.println( name + " - " + i * delay );
36           try { Thread.sleep( delay ); } catch (Exception e) { return; }
37        }
38     }
39     public static void main( String[] args ) {
40        new ThreadPingPong( "Ping", 5, 300 );
41        new ThreadPingPong( "Pong", 5, 500 );
42     }
43  }
   
   
44  // Ping - 0
45  // Pong - 0
46  // Ping - 300
47  // Pong - 500
48  // Ping - 600
49  // Ping - 900
50  // Pong - 1000
51  // Ping - 1200
52  // Pong - 1500
53  // Pong - 2000