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What is a common trade-off or limitation when applying Dependency Inversion Principle (DIP) with heavy use of Dependency Injection frameworks?

medium🪤 Complexity Trap Q13 of Q15
OOP & Design Patterns - Interface Segregation & Dependency Inversion - Fat Interfaces & IoC
What is a common trade-off or limitation when applying Dependency Inversion Principle (DIP) with heavy use of Dependency Injection frameworks?
AIt always improves runtime performance by reducing object creation overhead.
BIt eliminates the need for interfaces or abstractions entirely.
CIt can increase complexity and reduce code readability due to indirect dependencies and configuration.
DIt guarantees compile-time safety without any runtime errors.
Step-by-Step Solution

  1. Step 1: Understand DIP and DI trade-offs

    While DIP and DI improve modularity, heavy use of DI frameworks can add complexity and obscure dependencies.

  2. Step 2: Analyze options

    It can increase complexity and reduce code readability due to indirect dependencies and configuration. correctly identifies increased complexity and reduced readability as a trade-off. It always improves runtime performance by reducing object creation overhead. is false; DI can add runtime overhead. It eliminates the need for interfaces or abstractions entirely. is wrong; DIP requires abstractions. It guarantees compile-time safety without any runtime errors. is incorrect; runtime errors can still occur due to misconfiguration.

  3. Final Answer:

    Option C -> Option C

  4. Quick Check:

    DI frameworks improve flexibility but can complicate understanding and debugging.
Quick Trick: DI improves modularity but can complicate code and configs.
Common Mistakes:
MISTAKES
  • Assuming DI always improves performance
  • Believing DIP removes need for interfaces
  • Thinking DI guarantees no runtime errors
Trap Explanation:
PITFALL
  • Options A and D are overly optimistic about DI benefits; Option C misunderstands DIP's reliance on abstractions.
Interviewer Note:
CONTEXT
  • Tests candidate's awareness of practical trade-offs and limitations of DIP and DI.
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