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package com.demo.Interruput;/** * @author xiaobu * @version JDK1.8.0_171 * @date on  2019/9/25 17:36 * @description 说明：park和wait的区别。wait让线程阻塞前，必须通过synchronized获取同步锁。 */public class WaitTest {
       public static void main(String[] args) {
           ThreadA threadA = new ThreadA("A");        synchronized (threadA){
               try {
                   System.out.println(Thread.currentThread().getName() + " start");                threadA.start();                System.out.println(Thread.currentThread().getName() + " block");                threadA.wait();                System.out.println(Thread.currentThread().getName() + " continue");            } catch (InterruptedException e) {
                   e.printStackTrace();            }        }    }    static class ThreadA extends Thread{
           public ThreadA(){
   }        public ThreadA(String name){
               super(name);        }        @Override        public void run() {
               synchronized (this){
                   System.out.println("通知notify");                notify();            }        }    }}

package com.demo.Interruput;import java.util.concurrent.locks.LockSupport;/** * @author xiaobu * @version JDK1.8.0_171 * @date on  2019/9/25 17:36 * @description */public class LockSupportTest {
       private static Thread mainThread;    public static void main(String[] args) {
           ThreadA threadA = new ThreadA("A");        mainThread = Thread.currentThread();        System.out.println(Thread.currentThread().getName() + " start");        threadA.start();        System.out.println(Thread.currentThread().getName() + " block");        LockSupport.park(mainThread);        System.out.println(Thread.currentThread().getName() + " continue");    }    static class ThreadA extends Thread {
           public ThreadA() {
           }        public ThreadA(String name) {
               super(name);        }        @Override        public void run() {
               System.out.println(Thread.currentThread().getName() + " wakeup others");            LockSupport.unpark(mainThread);        }    }}

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