public static void main(String[] args) {
		ExecutorService exec = Executors.newCachedThreadPool();
		ArrayList<Future<String>> results = new ArrayList<Future<String>>();
		for(int i=0;i<10;i++){
			results.add(exec.submit(new TaskWithResult(i)));
		}
		for(Future<String> fs:results){
			try {
				System.out.println(fs.get());
			} catch (InterruptedException e) {
				e.printStackTrace();
				return;
			} catch (ExecutionException e) {
				e.printStackTrace();
			}finally{
				exec.shutdown();
			}
		}
	}