课程素材来自 http://enjoy.ke.qq.com/ 版权所有
java 启动一个线程 最常见的方式有2种(继承thread 实现runnable接口),其实还有另外一种方式,是实现Callable接口
前面两种方式不说了 强调一下 runnable比thread好的方面是java是单继承 多实现的 ,所以个人认为runnable比thread好
这里主要说callable接口 callable是带返回参数的接口
package com.hw.ch1; import java.util.concurrent.Callable; import java.util.concurrent.ExecutionException; import java.util.concurrent.FutureTask; /** * Created by Administrator on 2018/5/19. */ public class CallableThread { public static void main(String[] args) throws ExecutionException, InterruptedException { FutureTask futureTask = new FutureTask(new MyCallable()); Thread t = new Thread(futureTask); t.start(); System.out.println(futureTask.get()); } public static class MyCallable implements Callable<String> { @Override public String call() throws Exception { System.out.println(" call is running "); return "success"; } } }