Inheritance & modifier

1. Succession 1.1 implementation of inheritance Concept of inheritance Inheritance is one of the three characteristics of object-oriented. It can make subclasses have the properties and methods of the parent class, redefine them in subclasses, and append properties and methods Implement inherited formats Inheritance is implemented ...

Posted by elraj on Tue, 14 Sep 2021 03:33:00 +0200