[Solved] What is the main purpose of an interface in C#? - Ans: To define a contract with method and property signatures only | C Sharp (C#)

C Sharp (C#) - Interfaces

What is the main purpose of an interface in C#?

ATo define a contract with method and property signatures only

BTo implement all method bodies for a class

CTo store data like variables and constants

DTo create an instance of a class directly

Step-by-Step Solution

Solution:

Step 1: Understand what an interface is
An interface only declares method and property signatures without implementations.
Step 2: Compare with other options
Interfaces do not implement methods or store data; they define a contract for classes.
Final Answer:
To define a contract with method and property signatures only -> Option A
Quick Check:
Interface purpose = contract definition [OK]

Quick Trick: Interfaces declare methods, they don't implement them [OK]

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