Answer / sushil

To Achieve Multiple Inheritance

Answer / prince1987

To Providing control on the Classes

Answer / ankit singh

The main purpose of the interface is implement multiple
inheritance in .net

Answer / vai bhav

Basicalluy interface is used in any oops supported langusge
like c#.net to overcome the problem of multiple inheritance
i.e. inheriting more than one classes which have same
function also.

Answer / n/a

The main purpose of the interface is to decsribe related
functionality that can belong to any class.

Answer / mayur teli

Basic purpose is to use the defined structure/pattern of common implementation on the child location.
In other word we can say that when multiple people are working on same project if they need to use some common functionality (like initializing variables for their module) instead of writing their own method name(like init(), initialize(), setup()) if we write single method name (lets say init) then this method name can be implemented by any developer who derived....
and use to achieve multiple inheritance.

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