Creating a simple thread using Runnable

Implementing the Runnable interface to carry out Multi Threading in Java.

ChildThreadDemo.java

class ChildThread implements Runnable {
    Thread t;
    public ChildThread() {
        // Create a thread
        t = new Thread(this);
        // Set a name to child thread
        t.setName("Child Thread");
        // Start the thread
        t.start();
    }
    public void run() {
        try {
            for (int i = 5; i >= 1; i--) {
                System.out.println(t.getName() + ": " + i);
                Thread.sleep(1000);
            }
        } catch (InterruptedException e) {
            System.out.println("Child thread interrupted.");
        }
    }
}
class ChildThreadDemo {
    public static void main(String args[]) {
        // Get current thread's object
        Thread mainThread = Thread.currentThread();
        // Set a name to main thread
        mainThread.setName("Main Thread");
        // Create child thread object
        new ChildThread();
        // Start the loop
        try {
            for (int i = 5; i >= 1; i--) {
                System.out.println(mainThread.getName() + ": " + i);
                Thread.sleep(1000);
            }
        } catch (InterruptedException e) {
            System.out.println("Main thread interrupted.");
        }
    }
}

Output

Main Thread: 5  
Child Thread: 5  
Main Thread: 4  
Child Thread: 4  
Main Thread: 3  
Child Thread: 3  
Main Thread: 2  
Child Thread: 2  
Child Thread: 1  
Main Thread: 1

ధన్యవాదాలు (Thanks)