java 线程等待原理

public class TestThread {
	
	int count=0;
	Object lock=new Object();
	transient boolean isWorking=true;
	Thread t1=new Thread(){
		public void run() {
			while(true){
				try {
					if(count++%10==0){
						System.out.println("睡觉");
						isWorking=false;
						synchronized (lock) {
							lock.wait();
						}
						isWorking=true;
						System.out.println("睡醒了");
					}else{
						System.out.println("睡"+count);
						Thread.sleep(100);
					}	
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		}
	};
	
	Thread t2=new Thread(){
		public void run() {
			while (true) {
				try {
					if(!isWorking){
						System.out.println("醒醒啦！");
						synchronized (lock) {
						lock.notify();
						}
					}
					Thread.sleep(2000);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		}
	};
	
	public TestThread() {
		t1.start();
		t2.start();
	}
	public static void main(String[] args) {
		new TestThread();
	}
}

public class TestThread {

int count=0;
Object lock=new Object();
transient boolean isWorking=true;
Thread t1=new Thread(){
public void run() {
while(true){
try {
if(count++%10==0){
System.out.println("睡觉");
isWorking=false;
synchronized (lock) {
lock.wait();
}
isWorking=true;
System.out.println("睡醒了");
}else{
System.out.println("睡"+count);
Thread.sleep(100);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
};

Thread t2=new Thread(){
public void run() {
while (true) {
try {
if(!isWorking){
System.out.println("醒醒啦！");
synchronized (lock) {
lock.notify();
}
}
Thread.sleep(2000);
} catch (Exception e) {
e.printStackTrace();
}
}
}
};

public TestThread() {
t1.start();
t2.start();
}
public static void main(String[] args) {
new TestThread();
}
}