CSDN Q & A 2022-02-13 08:29:00 阅读数:337
Object Class is the parent of all classes , A class can inherit a parent class , Or implement multiple interfaces .
Inheritance is single inheritance, and interfaces are multiple implementations. Think about it
A class can only inherit one parent class , An interface can inherit multiple interfaces
A class can only inherit one parent class Implement multiple interfaces Interfaces can inherit multiple interfaces
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