介绍OO设计的基本模式和原则

面向对象的类设计原则

开放关闭原则The Open Closed Principle (OCP)

Liskov 替换原则The Liskov Substitution Principle(LSP)

依赖性倒置原则The Dependency Inversion Principle (DIP)

-OO Design, introduced the basic model and principles of object-oriented class design principles the principle of opening up the closure of The Open Closed Principle (OCP) Liskov principle to replace The Liskov Substitution Principle (LSP)-dependent reversal of the principles of The Dependency Inversion Principle (DIP)