线程执行桉指定顺序执行

线程执行桉指定顺序执行

方法一：

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package cn.itcast.yilai;   import java.sql.*; import java.util.concurrent.BlockingQueue; import java.util.concurrent.LinkedBlockingQueue;     public class ThreadTest {     // T1、T2、T3三个线程顺序执行     public static void main(String[] args) {         //blockingQueue保证顺序         BlockingQueue<Thread> blockingQueue = new LinkedBlockingQueue<Thread>();         Thread t1 = new Thread(new Work());         Thread t2 = new Thread(new Work());         Thread t3 = new Thread(new Work());           blockingQueue.add(t1);         blockingQueue.add(t2);         blockingQueue.add(t3);           for (int i=0;i<3;i++) {             Thread t = null;             try {                 t = blockingQueue.take();             } catch (InterruptedException e) {                 e.printStackTrace();             }             t.start();             //检测线程是否还活着             while (t.isAlive());         }     }       static class Work implements Runnable {           public void run() {             System.out.println("thread start:" + Thread.currentThread().getName());         }     }   }

　　方法二：

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package cn.itcast.yilai;   import java.sql.*; import java.util.concurrent.BlockingQueue; import java.util.concurrent.LinkedBlockingQueue;     public class ThreadTest {     // T1、T2、T3三个线程顺序执行     public static void main(String[] args) {         //blockingQueue保证顺序         BlockingQueue<Thread> blockingQueue = new LinkedBlockingQueue<Thread>();         Thread t1 = new Thread(new Work());         Thread t2 = new Thread(new Work());         Thread t3 = new Thread(new Work());           blockingQueue.add(t1);         blockingQueue.add(t2);         blockingQueue.add(t3);           for (int i=0;i<3;i++) {             Thread t = null;             try {                 t = blockingQueue.take();             } catch (InterruptedException e) {                 e.printStackTrace();             }             t.start();             //检测线程是否还活着             while (t.isAlive());         }     }       static class Work implements Runnable {           public void run() {             System.out.println("thread start:" + Thread.currentThread().getName());         }     }   }