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1.无限等待状态waiting
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public class WaitingTest {
public static Object obj = new Object();
public static void main(String[] args) {
// 演示waiting
new Thread(new Runnable() {
@Override
public void run() {
while (true){
synchronized (obj){
try {
System.out.println( Thread.currentThread().getName() +"=== 获取到锁对
象，调用wait方法，进入waiting状态，释放锁对象");
obj.wait(); //无限等待
//obj.wait(5000); //计时等待, 5秒 时间到，自动醒来
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println( Thread.currentThread().getName() + "=== 从waiting状
态醒来，获取到锁对象，继续执行了");
}
}
}
},"等待线程").start();
new Thread(new Runnable() {
@Override
public void run() {
// while (true){ //每隔3秒 唤醒一次
try {
System.out.println( Thread.currentThread().getName() +"‐‐‐‐‐ 等待3秒钟");
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
synchronized (obj){
System.out.println( Thread.currentThread().getName() +"‐‐‐‐‐ 获取到锁对象,调用notify
方法，释放锁对象");
obj.notify();
}
}
// }
},"唤醒线程").start();
}
}
