此代码为JAVA的下载软件代码,运行代码后出现界面,打开新建:分别输入下载地址和文件名.如:http://www.baidu.com d: a.jar-This code is JAVA download software code to run after the code interface, open the New: Enter each address and file name to download. Such as: http://www.baidu.com d:a.jar