# 继承

Java 不支持多继承，但支持多重继承

`继承的特性`

* 子类拥有父类非 private 的属性、方法。
* 子类可以拥有自己的属性和方法，即子类可以对父类进行扩展。
* 子类可以用自己的方式实现父类的方法。
* Java 的继承是单继承，但是可以多重继承。
* 提高了类之间的耦合性（继承的缺点，耦合度高就会造成代码之间的联系越紧密，代码独立性越差）。

![](/files/-LokoUjceCfVaGlC6Te8)


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