ThreadFunctions.java

public class ThreadFunctions{
    public static void main(String[] args) {
        Thread t1 = new Thread(new MyRunnable());
        Thread t2 = new Thread(new MyRunnable());

        t1.start();
        t2.start();

        // Sleep for 2 seconds
        try {
            Thread.sleep(2000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        // Interrupt thread t1
        t1.interrupt();

        // Wait for both threads to finish
        try {
            t1.join();
            t2.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        System.out.println("Program completed.");
    }

    static class MyRunnable implements Runnable {
        @Override
        public void run() {
            for (int i = 0; i < 5; i++) {
                System.out.println(Thread.currentThread().getName() + " - " + i);
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    System.out.println(Thread.currentThread().getName() + " interrupted.");
                    return; // Terminate the thread upon interruption
                }
            }
        }
    }
}