Java/src/main/java/com/examplehub/basics/thread/DeadLockExample.java at patch-1 · letscode-17/Java · GitHub

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package com.examplehub.basics.thread;

public class DeadLockExample {
  public final Object resourceA = new Object();
  public final Object resourceB = new Object();

  public static void main(String[] args) {
    DeadLockExample deadLockExample = new DeadLockExample();
    Runnable runnableA =
        () -> {
          synchronized (deadLockExample.resourceA) {
            System.out.println(Thread.currentThread().getName() + " get resourceA");
            try {
              Thread.sleep(1000);
            } catch (InterruptedException e) {
              e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName() + " is trying to get resourceB");
            synchronized (deadLockExample.resourceB) {
              System.out.println(Thread.currentThread().getName() + " get resourceB");
            }
          }
        };

    Runnable runnableB =
        () -> {
          synchronized (deadLockExample.resourceB) {
            System.out.println(Thread.currentThread().getName() + " get resourceB");
            try {
              Thread.sleep(1000);
            } catch (InterruptedException e) {
              e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName() + " is trying to get resourceA");
            synchronized (deadLockExample.resourceA) {
              System.out.println(Thread.currentThread().getName() + " get resourceA");
            }
          }
        };

    new Thread(runnableA).start();
    new Thread(runnableB).start();
  }
}