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Java中的抽象类和接口之间的异同点

一、什么是抽象类抽象类顾名思义是之抽象出来的类，具有多个类的共性，是抽象的。抽象类和具体类是相对的概念。“抽象”是一种存在思想逻辑中的概念，而“具体”是一种可见可触摸的现实对象。简单说，法拉利，保时捷，兰博基尼，布加迪等多种车子，可以抽象出车，也可以抽象出跑车，这就是抽象出来的类别，称为抽象类。 ...

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Java中抽象类和接口有什么异同?

1. 抽象类什么是抽象类包含一个抽象方法的类就是抽象类抽象方法声明而未被实现的方法，抽象方法必须使用abstract关键词字声明 public abstract class People { //关键词abstract，声明该类为抽象类 public int age; public void...

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