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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 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()); } } } |
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