Inheritance
Inheritance is the capacity to characterize a new class(child class) that is an altered rendition of a current class(parent class).
Two normal terms connected with Inheritance -
- Parent - It is the one that is giving admittance to its strategies or properties to the kid class or inferred class.
- Child - It is the one that is acquiring strategies and properties from the parent class.
The class that is acquiring, i.e., the kid class, can acquire all the usefulness of the parent class and add its functionalities moreover.
Single Inheritance - It exists when a class is just gotten from a solitary base class. At the point when a youngster class acquires from just one parent class then it is called single legacy.
Multiple Inheritance - A class is gotten from more than one class for example various base classes. The kid class, for this situation, has elements of both the parent classes.
Multilevel Inheritance - A class that is as of now gotten from one more class is inferred by a second rate class. The second rate class has a wide range of various two previous classes' highlights and functionalities.
Advantages of Inheritance -
- It builds the code's reusability as we don't need to duplicate a similar code again to our new class.
- It makes the program more effective.
- We can add more elements to our generally fabricated class without adjusting it or changing its usefulness.
- It gives a portrayal of certifiable connections.
Method Overriding -
It implies having two techniques that have a similar name. They might play out certain errands or various assignments. This is likewise evident when numerous classes have a similar strategy and are connected in some way. There are a couple of rules for Method superseding -
- The name of the child method ought to be equivalent to guardians.
- Legacy ought to be there, and we want to get a youngster class from a parent class
- Both of their boundaries ought to be something similar.
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