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前言上一篇已经讲过包、继承和多态，链接如下：《JAVA SE》面向对象编程（上篇）下面会给各位老铁总结面向对象编程的最后两个知识点：抽象类和接口。一、（补充）在构造方法中调用重写的方法（坑）一段有坑的代码. 我们创建两个类, B 是父类, D 是子类. D 中重写 func 方法. 并且在 B 的...

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前言与C语言面向过程编程不同，JAVA中面向对象的编程更符合人类大脑的思维模式。面向对象的本质就是：以类的方式组织代码，以对象的组织（封装）数据。对象，是具体的事物。类，是抽象的，是对对象的抽象。从代码运行角度考虑是先有类后有对象。==类是对象的模板。==一、包包 (package) 是组织类的一种...

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