oop

英文: How to implement an abstarct class's method in sub-class by getting variables of it's pa...

英文: Is it possible to change an object which was originally created as a subclass object to another ...

英文: How is Comparator<T> a Functional Interface? 问题 根据函数式接口的定义 - 函数式接口是指只包含一个抽象方法的接口。 但是 Compa...

英文: Why cannot pass the class extended from another generic class as generic class? 问题 我开发了一些大项目。我的代...

英文: Java OOP - Issue with Modelling in simple example (Polymorphism). Composition or Inheritance? 问题...

英文: Convert object from one class to another in java 问题 我有2个自定义类A和B。 现在我有一个A类的对象，假设为'a'，我必须将它转换为B类。 ...

英文: Having trouble with understanding in method call via inheritance 问题 以下是翻译好的内容： 我有一个父类 Animal，它被类...

英文: Why some garbage collected & OOP programming language doesn't have a destructor? 问题 考虑下面...

英文: Is correct to have an aggregate with fields different than database object? 问题 我正在尝试应用领域驱动设计（DDD...

英文: How can I improve this code to object oriented programming? 问题 class ArrayTester { private doubl...