java program to create thread and set priority ,id,and name

import java.lang.*;

public class ThreadDemo  {

   public static void main(String[] args)  {

Thread t1 = Thread.currentThread();
Thread t2 = Thread.currentThread();
Thread t3 = Thread.currentThread();
Thread t4 = Thread.currentThread();
Thread t5 = Thread.currentThread();
        t1.setName("My Thread1");
    t2.setName("My Thread2");
    t3.setName("My Thread3");
    t4.setName("My Thread4");
    t5.setName("My Thread5");   
    
     t1.setPriority(6);
     t2.setPriority(6);
     t3.setPriority(6);
     t4.setPriority(6);
     t5.setPriority(7);
try
{      
     t3.sleep(2000);
    t5.sleep(2000);
}
catch(Exception ex)
{
System.out.println("exception caught is"+ex);
}
        System.out.println("Thread = " + t1);
    System.out.println("Thread = " + t2);
    System.out.println("Thread = " + t3);
    System.out.println("Thread = " + t4);
    System.out.println("Thread = " + t5);
     int count = Thread.activeCount();
     System.out.println("currently active threads = " + count);
   }
}