package mythread;

 public class MyRunnable implements Runnable
 {
     public void run()
     {
         System.out.println(Thread.currentThread().getName());
     }
     public static void main(String[] args)
     {
         MyRunnable t1 = new MyRunnable();
         MyRunnable t2 = new MyRunnable();
         Thread thread1 = new Thread(t1, "MyThread1");
         Thread thread2 = new Thread(t2);
         thread2.setName("MyThread2");
         thread1.start();
         thread2.start();
     }
 }

MyThread1
MyThread2