MultiThreadDemo.java

// Create multiple threads. 
class NewThread implements Runnable 
{ 
	String name; // name of thread 
	Thread t;
	NewThread(String threadname) 
	{ 
		name = threadname; 
		t = new Thread(this, name); 
		System.out.println("New thread: " + t); 
		t.start(); // Start the thread 
	}
	// This is the entry point for thread. 
	public void run() 
	{ 
		try 
		{
			for(int i = 5; i > 0; i--) 
			{ 
				System.out.println(name + ": " + i); 
				Thread.sleep(1000); 
			} 
		} 
		catch (InterruptedException e) 
		{ 
			System.out.println(name + "Interrupted"); 
		} 
		System.out.println(name + " exiting."); 
	}
}

class MultiThreadDemo 
{ 
	public static void main(String args[]) 
	{ 
		new NewThread("One"); // start threads 
		new NewThread("Two"); 
		new NewThread("Three");
		try 
		{ 
			// wait for other threads to end 
			Thread.sleep(10000); 
		} 
		catch (InterruptedException e) 
		{ 
			System.out.println("Main thread Interrupted"); 
		}
		System.out.println("Main thread exiting.");
	}
}