死锁小案例

package thread;

/**
 * 死锁小案例
 * @author lang
 *
 */
public class ThreadDemo09 {
      public static void main(String[] args) {
		LockThread t1 = new LockThread(true);
		LockThread t2 = new LockThread(false);
		//启动线程
		t1.start();
		t2.start();
	}
}

class LockThread extends Thread{
	//设置标记
	private boolean falg;
		
	public LockThread() {
		super();
	}

	public LockThread(boolean falg) {
		super();
		this.falg = falg;
	}

	@Override
	public void run() {
		if(falg){
			synchronized (Lock.LOCKA) {
				System.out.println("if语句中LOCKA锁");
				synchronized (Lock.LOCKB) {
					System.out.println("if语句中LOCKB锁");
				}
			}
		}else {
			synchronized(Lock.LOCKB){
				System.out.println("else语句中LOCKB锁");
				synchronized (Lock.LOCKA) {
					System.out.println("else语句中LOCKA锁");
				}
			}
		}
	}
}

class Lock{
	public static final Object LOCKA =new Object();
	public static final Object LOCKB =new Object();
}