// Improved MyThread.

class MyThread implements Runnable {
  Thread thrd;

  // Construct a new thread.
  MyThread(String name) {
    thrd = new Thread(this, name);
    thrd.start(); // start the thread
  }

  // Begin execution of new thread.
  public void run() {
    System.out.println(thrd.getName() + " starting.");
    try {
      for(int count=0; count<10; count++) {
        Thread.sleep(400);
        System.out.println("In " + thrd.getName() +
                           ", count is " + count);
      }
    }
    catch(InterruptedException exc) {
      System.out.println(thrd.getName() + " interrupted.");
    }
    System.out.println(thrd.getName() + " terminating.");
  }
}

class UseThreadsImproved {
  public static void main(String args[]) {
    System.out.println("Main thread starting.");

    MyThread mt = new MyThread("Child #1");

    for(int i=0; i < 50; i++) {
      System.out.print(".");
      try {
        Thread.sleep(100);
      }
      catch(InterruptedException exc) {
        System.out.println("Main thread interrupted.");
      }
    }

    System.out.println("Main thread ending.");
  }
}