java线程
编程技术  /  houtizong 发布于 3年前   86
package test;import java.util.concurrent.CountDownLatch;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;public class Test { //线程辅助类private static CountDownLatch mLatch = new CountDownLatch(4);public static void main(String[] args) throws InterruptedException {//创建线程池,线程数3个final ExecutorService exec = Executors.newFixedThreadPool(3);for (int index = 0; index < 4; index++) {final int NO = index + 1;Runnable run = new Runnable() {public void run() {try {System.out.println(NO + " working");Thread.sleep(2000);} catch (InterruptedException e) {} finally {mLatch.countDown();}}};exec.submit(run);} //等待线程全部执行完毕,确保程序的流程mLatch.await();System.out.println("finish");exec.shutdown();}}
java线程详解: http://chendaiming.iteye.com/blog/2158169
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