死锁的代码演示
public class DeadLockDemo { private static String A = "A"; private static String B = "B"; public static void main(String[] args) { new DeadLockDemo().deadLock(); } private void deadLock() { Thread th1 = new Thread(new Runnable(){ @Override public void run() { synchronized (A) { try { Thread.currentThread().sleep(2000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } synchronized (B) { System.out.println("1"); } } } }); Thread th2 = new Thread(new Runnable() { @Override public void run() { synchronized (B) { synchronized (A) { System.out.println("2"); } } } }); th1.start();th2.start(); } }