Introduction To Thread

public class Main{
    public static void main(String args[]){
        Thread t = Thread.currentThread();
        System.out.println("Current thread" + t);
        t.setName("My thread");
        System.out.println("After changing thread name " + t);
        try{
            for(int i=5;i>0;i--){
                System.out.println(i);
                Thread.sleep(1000);
            }
        }catch(InterruptedException e){
            System.out.println("Main Thread Interrupted");
        }

    }
}