Mid From PDF SOLID Design Patterns & SOLID

What are anti-patterns related to DI and Singleton?

  • Service Locator anti-pattern: Hides dependencies instead of injecting them

explicitly.

  • Overusing Singleton: Leads to hidden global state and testing difficulties.
  • Improper Singleton thread safety: Causes race conditions.
  • Injecting concrete implementations: Violates DIP.

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