多线程之死锁用例

死锁用例

public class DeadLock {

	private static String A="A";
	private static String B="B";

	public static void main(String[] args) {
		
		Thread threadA=new Thread(new Runnable() {
			@Override
			public void run() {
				synchronized(A){
					System.out.println(A);
					try {
						Thread.currentThread().sleep(2000);
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
					synchronized(B) {
						System.out.println(B);
					}
				}
			}
		});

		Thread threadB=new Thread(new Runnable() {
			public void run() {
				synchronized(B) {
					synchronized(A) {
						System.out.println("AA");
					}
				}
			}
		});
		threadA.start();
		threadB.start();
	}

}