EY Full Stack .NET Mid

Abstract class vs interface in C#?

Interface = contract only (what). Abstract class = shared base + some code (how + what). ShopNest: IPaymentGateway is an interface; PaymentBase abstract class can hold shared logging for UPI and Card.

EY rounds often probe: Client scenarios.

Themes commonly reported in public MNC interview experiences (AmbitionBox / LinkedIn / Glassdoor-style). Practice aloud; keep answers this short in the real round.

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