Java单继承-阿里云

简述java中继承的概念，单继承，访问修饰符的访问权限

什么是继承extends？：继承是一种机制，通过继承机制，子类可以使用父类中属性和方法父类----子类一般 —特殊父类：子类的共性抽象出来子类继承父类，表明子类是一种特殊的父类，并且具有父类所不具有的一些属性或方法。如果子类能够访问父类的d属性和方法，即是子类从父类中继承的属性和方法...

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java中类与类之间有单继承关系，类与接口之间有实现关系

java中类与类之间有单继承关系，类与接口之间有单实现关系，也有多实现关系，接口与接口之间有多继承关系吗，单继承关系呢，还是多实现，单实现关系，那么对象与对象之间又有什么关系

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更新时间 2023-04-20 10:12:22

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