What will happen if you try to compile this code?

medium📝 Predict Output Q5 of Q15

C Sharp (C#) - Interfaces

interface ITest { void Run(); }
class Test : ITest { }

ACompilation error: 'Test' does not implement 'Run()'

BCompiles successfully

CRuntime error when calling Run()

DWarning but compiles

Step-by-Step Solution

Solution:

Step 1: Verify interface implementation rules
Classes implementing an interface must provide all member implementations. Test declares : ITest but lacks Run(), causing compilation error: 'Test' does not implement 'Run()'.
Final Answer:
Compilation error: 'Test' does not implement 'Run()' -> Option A
Quick Check:
Missing interface method implementation = compile error [OK]

Quick Trick: Implement all interface methods or get compile error [OK]

Common Mistakes:

MISTAKES

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