第一课：OOP and Design Pattern

[Xavier]

阅读材料

OOD 题目详解 - The Game of War

详解文件下载 https://pan.baidu.com/s/1sa_-6wbdOv5lODg2CnldUg https://drive.google.com/open?id=1sTgygaNp9hgXe94NdkuEQqLiShawarc4