//PROGRAM 12-8
class MyThread implements Runnable {
  private Thread t;
  private long n;  	// jumlah pengulangan yang dihasilkan
  private boolean selesai = false;
    
  MyThread(String nama, int prioritas) {
  	t = new Thread(this, nama);
  	t.setPriority(prioritas);
  	n = 0;  	
  }
    
  public void run() {    
    while (!selesai) {
    	n++;
    }
  }
  
  public void start() {
    t.start();	
  }
  
  public void stop() {
  	selesai = true;
  }  
  
  public long getN() {
  	return n;
  }
  
  public Thread getThread() {
  	return t;
  }  
}

class DemoPrioritasThread {       
  public static void main(String[] args) 
    throws InterruptedException {     
    
    MyThread t1 = new MyThread("prioritas-tinggi", 
                               Thread.NORM_PRIORITY + 2);
    MyThread t2 = new MyThread("prioritas-rendah", 
                               Thread.NORM_PRIORITY - 2);
        
    t1.start();
    t2.start();
    
    // mengistirahatkan thread utama selama 5 detik
    Thread.sleep(5000);
    
    t1.stop();    
    t2.stop();
    
    t1.getThread().join();
    t2.getThread().join();
        
    System.out.println("Jumlah pengulangan pada " + 
      t1.getThread().getName() + ": " + t1.getN());
    System.out.println("Jumlah pengulangan pada " + 
      t2.getThread().getName() + ": " + t2.getN());    
  } 
}