[Solved] What must a class do when it implements an interface in C#? - Ans: Provide implementations for all interface methods | C Sharp (C#)

C Sharp (C#) - Interfaces

What must a class do when it implements an interface in C#?

ADeclare the interface methods as private

BInherit from the interface as a base class

CProvide implementations for all interface methods

DCreate a new interface inside the class

Step-by-Step Solution

Solution:

Step 1: Understand interface contract
An interface defines method signatures without implementations.
Step 2: Implement all interface methods in the class
The class must provide code for every method declared in the interface.
Final Answer:
Provide implementations for all interface methods -> Option C
Quick Check:
Interface implementation = Provide all methods [OK]

Quick Trick: Implement all interface methods to fulfill the contract [OK]

Common Mistakes:

MISTAKES

Master "Interfaces" in C Sharp (C#)

9 interactive learning modes - each teaches the same concept differently

More C Sharp (C#) Quizzes

What must a class do when it implements an interface in C#?