Java Program on Main as a Thread

Program 1

package dataflair;

public class TestMain 
{
    public static void main(String[] args) throws InterruptedException
    {
        System.out.println("Name of Main before change: "+ Thread.currentThread().getName());
          Thread.currentThread().setName("My Main Thread");
        System.out.println("Name of Main after change: "+ Thread.currentThread().getName());
        Thread T=new Thread();
         for(int i=1;i<=10;i++)    
         {    
             System.out.println(i);
             Thread.sleep(1000);
         }   
    }
    
}