class RunnableDemo implements Runnable {
   private Thread t;
   private String threadName;

   RunnableDemo( String name) {
      threadName = name;

   }

   public void run() {
       int x=1;
       int sum=0;
       for(int y=0;y<10;y++)
       {
           sum+=y;
        }
        x+=sum;
        System.out.println("Thread : "+threadName+" - value : "+x);
   }

   public void start () {

      if (t == null) {
         t = new Thread (this, threadName);
         t.start ();
      }
   }
}

public class TestThread {

   public static void main(String args[]) {
      RunnableDemo A = new RunnableDemo( "A");
      A.start();

      RunnableDemo B = new RunnableDemo( "B");
      B.start();
      RunnableDemo C = new RunnableDemo( "C");
      C.start();
   }
}