本项目为面向对象程序设计的程序材料，内容如下：
slides 目录包含上课课件。
example 目录包含课堂展示示例代码。
demo 目录包含进阶示例代码，想进一步提高编程水平的可以自行阅读学习。
This project contains the program materials for the Object-Oriented Programming course. The contents are as follows:
The slides directory contains lecture slides.
The example directory includes sample code demonstrated in class.
The demo directory contains advanced example code. Those who wish to further improve their programming skills are encouraged to read and learn from it on their own.