class NewThread implements Runnable{
	Thread t;
	NewThread(){
		t=new Thread(this,"Demo Thread");
		System.out.println("Chile thread:"+t);
		t.start();
	}
	public void run(){
		try{
			for(int i=5;i>0;i--){
				System.out.println("Child Thread:"+i);
				Thread.sleep(500);
			}
		}
		catch(InterruptedException e){
			System.out.println("Child interrupted.");
		}
		System.out.println("Exiting child thread.");
	}
}

class ThreadDemo{
	public static void main(String args[]){
		new NewThread();
		try{
			for(int i=5;i>0;i--){
				System.out.println("Main thread:"+i);
				Thread.sleep(1000);
			}
		}
		catch(InterruptedException e){
			System.out.println("Main thread interrupted.");
		}
	}
}