java多线程返回值

import java.util.concurrent.*; 

/** 
* Java线程：有返回值的线程 
* 
* @author Administrator 2009-11-5 0:41:50 
*/ 
public class Test { 
        public static void main(String[] args) throws ExecutionException, InterruptedException { 
                //创建一个线程池 
                ExecutorService pool = Executors.newFixedThreadPool(2); 
                //创建两个有返回值的任务 
                Callable c1 = new MyCallable("A"); 
                Callable c2 = new MyCallable("B"); 
                //执行任务并获取Future对象 
                Future f1 = pool.submit(c1); 
                Future f2 = pool.submit(c2); 
                //从Future对象上获取任务的返回值，并输出到控制台 
                System.out.println(">>>"+f1.get().toString()); 
                System.out.println(">>>"+f2.get().toString()); 
                //关闭线程池 
                pool.shutdown(); 
        } 
} 

class MyCallable implements Callable{ 
        private String oid; 

        MyCallable(String oid) { 
                this.oid = oid; 
        } 

        @Override 
        public Object call() throws Exception { 
                return oid+"任务返回的内容"; 
        } 
}

 

>>>A任务返回的内容 
>>>B任务返回的内容 

Process finished with exit code 0