反射:
https://mp.weixin.qq.com/s/GDuqMY7TSicjHpZ4wDz2dA
抽象类与接口
https://mp.weixin.qq.com/s/InovM_xn6nWSOzQu30qneg
减少if else https://mp.weixin.qq.com/s/QX0Nry9KhkfCHFmZc2sMWA
泛型
https://mp.weixin.qq.com/s/3u425UZnvcA0ICRC4ng2YQ
枚举
反射:
https://mp.weixin.qq.com/s/GDuqMY7TSicjHpZ4wDz2dA
抽象类与接口
https://mp.weixin.qq.com/s/InovM_xn6nWSOzQu30qneg
减少if else https://mp.weixin.qq.com/s/QX0Nry9KhkfCHFmZc2sMWA
泛型
https://mp.weixin.qq.com/s/3u425UZnvcA0ICRC4ng2YQ
枚举