用JAVA写的屏幕截图小程序，希望能通过，-with JAVA write Screenshots small procedures in the hope that through, thank you

Java 加载网络图片的例子，也是比较简单的，但加入了线程池的东西，感兴趣可以-Java load the example of the network picture is relatively simple, but with the addition of the thread pool things interested can look at