Codes

[siddharthrgade21-a11y]

public class DeadlockExample {
public static Object lock1 = new Object();
public static Object lock2 = new Object();

public static void main(String[] args) {
    ThreadDemo1 T1 = new ThreadDemo1();
    ThreadDemo2 T2 = new ThreadDemo2();
    T1.start();
    T2.start();
    System.out.println("Main thread finished.");
}

private static class ThreadDemo1 extends Thread {
    public void run() {
        synchronized (lock1) {
            System.out.println("Thread 1: Has lock1");
            try {
                // Sleeping to allow Thread 2 to lock lock2
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("Thread 1: Waiting for lock2");
            synchronized (lock2) {
                System.out.println("Thread 1: Has lock1 and lock2");
            }
        }
    }
}

private static class ThreadDemo2 extends Thread {
    public void run() {
        synchronized (lock2) {
            System.out.println("Thread 2: Has lock2");
            try {
                // Sleeping to allow Thread 1 to lock lock1
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("Thread 2: Waiting for lock1");
            synchronized (lock1) {
                System.out.println("Thread 2: Has lock2 and lock1");
            }
        }
    }
}

}