package unsafe;

/**

* Created by 李恒名 on 2017/6/21.

*/

public class UnsafeLockTest {

public static void main(String[] args) {

TestTask test = new TestTask();

new Thread(() -> test.method1()).start();

new Thread(() -> test.method2()).start();

/**

输出：

method1() execute!

method2() execute!

不加锁保持同步：

method2() execute!

method1() execute!

*/

}

static class TestTask {

private UnsafeLock lock = new UnsafeLock();

public void method1() {

lock.lock(this);

try {

//模拟方法需要执行100毫秒

Thread.sleep(100);

System.out.println("method1() execute!");

} catch (InterruptedException e) {

e.printStackTrace();

} finally {

lock.unlock(this);

}

}

public void method2() {

lock.lock(this);

System.out.println("method2() execute!");

lock.unlock(this);

}

}

}