/*   Producers-Consumers           */
/*   Multithreads implementation   */
 
/*   File Producers_Consumers.java */
 
/* Main program */
 
public class prova2 {
  public static void main(String[] args) {
    Process1 p1 = new Process1();
    p1.start();
    new Process2(p1).start();
  }
}

class Process2 extends Thread {
  private Process1 p;
  public Process2(Process1 p1) { 
    p = p1;
  }
  public void run() {
   try {
     sleep(1000); 
     p.interrupt();
   } catch (InterruptedException e) { return; }
  }
}

class Process1 extends Thread {
  //  public Process1(){}
  public void sl()
    throws InterruptedException
  {
      System.out.println("going to sleep");
      sleep(100); 
      System.out.println("waken up");
  }
  public void run() {
      try {
        while (!isInterrupted()){
          sl();
        } 
      } catch (InterruptedException e) { 
          System.out.println("interrupted"); 
          Thread.currentThread().interrupt();
      }
  }
}