This is a empty program, it won't do anything. The next step is to add additional commands to the program, as described in one of the following tutorials.

这是一个空的程序，他什么都做不了。在以后的教程里，我们会陆续为他添加功能。

youdao

This is a empty program, it won't do anything. The next step is to add additional commands to the program, as described in one of the following tutorials.

这是一个空的程序，他什么都做不了。在以后的教程里，我们会陆续为他添加功能。

youdao