带返回值的线程

public class PostThread implements Callable {private String s;public PostThread (String str) {this.s = h;}public Object call() throws Exception {return this.s;}}

使用的时候：

ExecutorService pool = Executors.newFixedThreadPool(2); Callable c1 = new PostThread("hello");Future f1 = pool.submit(c1);

               String str = (String)f1.get();