Android Open Source - androidtestdebug Dead Lock Demo

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License

The source code is released under:

MIT License

Java Source Code

// ????????
//    javac DeadLockDemo.java
//// ww  w  . j  a va2 s  .c  om

public class DeadLockDemo {
    public static void main(String[] args) {
    final Object lock1 = new Object();
    final Object lock2 = new Object();
 
    Thread thread1 = new Thread(new Runnable() {
      @Override public void run() {
        synchronized (lock1) {
          System.out.println("???1???lock1");
          try {
            Thread.sleep(50);
          } catch (InterruptedException e) {}
          synchronized (lock2) {
            System.out.println("???1???lock2");
          }
        }
      }
 
    });
    thread1.start();
 
    Thread thread2 = new Thread(new Runnable() {
      @Override public void run() {
        synchronized (lock2) {
          System.out.println("???2???lock2");
          try {
            Thread.sleep(50);
          } catch (InterruptedException e) {}
          synchronized (lock1) {
            System.out.println("???2???lock1");
          }
        }
      }
    });
    thread2.start();
 
    try {
        thread1.join();
        thread2.join();
    } catch (InterruptedException e) {}

    System.out.println("????????????????????????");
    }
}

Java Source Code List

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