threadtest_2.java

基于netbeans的java桌面应用程序合集

package com.sun.tiger.concurrency;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;


public class ThreadTest_2 {
    
    /** Creates a new instance of ThreadTest_2 */
    public ThreadTest_2() {
    }
    
    public static void main(String[] args) {
        ExecutorService es = Executors.newSingleThreadExecutor();
        Future<String> f = es.submit(new MyCallable());
       
        try {
            Thread.sleep(30000);
        } catch (InterruptedException ex) {
            ex.printStackTrace();
        }
   
        
        
        try {
            System.out.println(f.get());
        } catch (ExecutionException ex) {
            ex.printStackTrace();
        } catch (InterruptedException ex) {
            ex.printStackTrace();
        }
        es.shutdown();
    }
}

class MyCallable implements Callable<String> {
    public String call() throws Exception {
        Thread.sleep(2000);
        return "Finished";
    }
}