死锁代码
public class DeadLock { final Object lockA = new Object(); final Object lockB = new Object(); public static void main(String[] args) { DeadLock demo = new DeadLock(); demo.startLock(); } public void startLock() { ThreadA a = new ThreadA(lockA, lockB); ThreadB b = new ThreadB(lockA, lockB); // start threads a.start(); b.start(); }}class ThreadA extends Thread { private Object lockA = null; private Object lockB = null; public ThreadA(Object a, Object b) { this.lockA = a; this.lockB = b; } public void run() { synchronized (lockA) { System.out.println("*** Thread A: ***: Lock A"); try { sleep(3000); } catch (InterruptedException e) { e.printStackTrace(); } synchronized (lockB) { System.out.println("*** Thread A: ***: Lock B"); } } System.out.println("*** Thread A: ***: Finished"); }}class ThreadB extends Thread { private Object lockA = null; private Object lockB = null; public ThreadB(Object a, Object b) { this.lockA = a; this.lockB = b; } public void run() { synchronized (lockB) { System.out.println("*** Thread B: ***: Lock B"); try { sleep(3000); } catch (InterruptedException e) { e.printStackTrace(); } synchronized (lockA) { System.out.println("*** Thread B: ***: Lock A"); } } System.out.println("*** Thread B: ***: Finished"); }}
控制台截图：
来源：https://www.cnblogs.com/chenmingjun/p/9671043.html