Java小故事 我许你一个未来 Future
还是梳理代码,频频到Future这个字眼,很自然的让我想到了未来。
还是那对男孩和女孩,女孩问男孩,你会娶我吗?男孩说,一定会,等我为你盖好一栋美丽的房子……
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/**
* Java小故事 我许你一个未来 Future
* <p>
* 还是那对男孩和女孩,女孩问男孩,你会娶我吗?<br>
* 男孩说,一定会,等我为你盖好一栋美丽的房子……
*
* @author lihzh
* @alia OneCoder
* @Blog http://www.coderli.com
* @date 2012-7-26 下午8:44:58
*/
public class PromiseUAFuture {
/**
* @author lihzh
* @throws ExecutionException
* @throws InterruptedException
* @alia OneCoder
* @date 2012-7-26 下午8:44:58
*/
public static void main(String[] args) throws InterruptedException, ExecutionException {
// 我许你一个未来
Future<BeautifulHouse> future = Executors.newSingleThreadExecutor().submit(new Boy());
while (!future.isDone()) {
System.out.println("Sorry baby, the house is not ok.");
}
System.out.println(future.get());
}
public static class Boy implements Callable<BeautifulHouse> {
@Override
public BeautifulHouse call() throws Exception {
Thread.sleep(5000);
return new BeautifulHouse();
}
}
public static class BeautifulHouse {
@Override
public String toString() {
return "This is a beautiful house.";
}
}
}
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