OOPS



21. What are features of Static classes ?  

Following are features of Static/Shared classes:-
• They cannot be instantiated. By default, a object is created on the first method call to that object.
• Static/Shared classes cannot be inherited.
• Static/Shared classes can have only static members.
• Static/Shared classes can have only static constructor.


22. Difference between overloading and overridding.  

Overloading

Overriding

Overloading is a concept where we can have same method names with different input signature.

In overriding we have a parent class with virtual functions which are overridden in the child classes.



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