executor.java

来自「用NETBEANS做的一个关于Java的小小的demo.大家赐教」· Java 代码 · 共 78 行

/*
 * Executor.java
 *
 * Created on 2007年9月14日, 上午12:27
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package newThread;

/**
 *
 * @author Administrator
 */
import java.util.concurrent.ExecutionException;

import java.util.concurrent.ExecutorService;

import java.util.concurrent.Executors;

import java.util.concurrent.Future;

public class Executor {
    
    public static void main(String[] args){
        
        //*1
        
        DoCallStuff call1 = new DoCallStuff(0);
        
        DoCallStuff call2 = new DoCallStuff(1);
        
        DoCallStuff call3 = new DoCallStuff(2);
        
        //*2
        
        ExecutorService es = Executors.newFixedThreadPool(3);
        
        //*3
        
        Future<String> future1 = es.submit(call1);
        
        Future<String> future2 = es.submit(call2);
        
        Future<String> future3 = es.submit(call3);
        
        try {
            
            //*4
            
            System.out.println(future1.get());
            
            //*5
            
            Thread.sleep(3000);
            
            System.out.println("Thread 2 terminated? :" + future2.cancel(true));
            
            //*6
            
            System.out.println(future3.get());
            
        } catch (ExecutionException ex) {
            
            ex.printStackTrace();
            
        } catch (InterruptedException ex) {
            
            ex.printStackTrace();
            
        }
        
    }
    
}