public class MyThread extends Thread
{
  String myName;

                MyThread(String name)
  {
                  myName = name;
                }

  public void run()
  {
  for(int i=0; i<100;i++)
  {
  System.out.println(myName);
  }
  }

  public static void main(String args[])
  {
  try
  {
                                         MyThread mt1 = new MyThread("mt1");
                                         MyThread mt2 = new MyThread("mt2");
  mt1.start();
                                                // XXX
  mt2.start();
  }
                                 catch(InterruptedException ex)
  {
  }
  }
}