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4life1、开闭原则 Open Close Principle. 2、里氏代换原则 Liskov Substitution Principle. 里氏代换原则(Liskov Substitution Principle LSP)面向对象设计的基本原则之一。 3、依赖倒转原则 Dependence Inversion Principle. 4、接口隔离原则 Interface Segregation Principle. 5、迪米特法则 最少知道原则 Demeter Principle. 6、合成复用原则 Composite Reuse Principle. Public interface Sender {. Public void Send();. Public class MailSender implements Sender {. Public void Send() {. System.out.println(“this is mailsender! Public class SmsSender implements Sender {. Public void Send() {. Public cla...
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