Answer
ASP.NET Core includes a first-class DI container used across the entire framework: controllers, middleware, services. It promotes testable, modular, and maintainable architecture without external frameworks.
Quick Answer
ASP.NET Core's built-in DI removes the need for external IoC containers for most use cases. It supports constructor injection for controllers, services, middleware, and Razor Pages. Registering abstractions and concrete implementations enables runtime swap of implementations — critical for unit testing with mocks.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ