Thread (Two Threads working to gather)

public class MyThread1 extends Thread{

  MyThread1(String name){
        super(name);

         }

public void run(){

for(int i=1; i<=15; i++){
System.out.println("I am "+getName()+i);
        try{
       Thread.sleep(1000);
   }catch(Exception e){}
                    }
System.out.println("I Finished"+getName());



}


 public static void main(String agr[]){
          MyThread1  mt1=new MyThread1("Thread1");
          mt1.start();  
          MyThread1  mt2=new MyThread1("Thread2");
          mt2.start();  
 

      

 }

}