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Interfaces

Explore how interfaces work in C# to enforce consistent method implementation across classes. Understand how to implement single and multiple interfaces, including explicit interface implementations, to manage shared method names with different behaviors. Gain foundational knowledge to apply polymorphism effectively in object-oriented programming.

Implementing an interface

An interface is used to enforce the presence of a method in any class that ‘implements’ it.

The interface is defined with the keyword interface and a class can ‘implement’ it by adding : InterfaceName after the class name.

A class can implement multiple interfaces by separating each interface with a comma like : InterfaceName, ...