【JAVA】挂起、恢复和停止线程的示例代码

//代码示例来自于《Java 8 编程官方参考教程 第9版》

package com.app.practice;//控制线程的开始，挂起和结束//Suspending and resuming a thread the modern way.class NewThread implements Runnable{String name;//name of threadThread t;boolean suspendFlag;NewThread(String threadname){name = threadname;t = new Thread(this, name);System.out.println("New thread: "+t);suspendFlag = false;t.start();//Start the thread}//This is the entry point for thread.public void run(){try{for(int i = 15;i>0;i--){System.out.println(name+": "+i);Thread.sleep(200);synchronized (this) {while(suspendFlag){wait();}}}}catch (InterruptedException e){System.out.println(name + " interrupted.");}System.out.println(name +" exiting.");}synchronized void mysuspend(){suspendFlag=true;}synchronized void myresume(){suspendFlag = false;notify();}}public class SuspendResume {public static void main(String[] args) {NewThread ob1 = new NewThread("One");NewThread ob2 = new NewThread("Two");try{Thread.sleep(1000);ob1.mysuspend();System.out.println("Suspending thread One");Thread.sleep(1000);ob1.myresume();System.out.println("Resuming thread One");ob2.mysuspend();System.out.println("Suspending thread Two");Thread.sleep(1000);ob2.myresume();System.out.println("Resuming thread Two");}catch(InterruptedException e){System.out.println("Main thread Interrupted");}//wait for threads to finishtry{System.out.println("Waiting for threads to finish.");ob1.t.join();ob2.t.join();}catch (InterruptedException e){System.out.println("Main thread Interrupted");}System.out.println("Main thread exiting.");}}