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CodeSignal

Breaking Dependencies to Improve Code

via CodeSignal

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Overview

Breaking dependencies is crucial in existing systems to make them more testable, maintainable, and extensible. By reducing coupling and isolating functionality, developers can introduce changes incrementally while minimizing risks. In this course we focus on removing coupling with interfaces and dependency injection techniques for testability.

Syllabus

  • Lesson 1: Refactoring Tight Coupling with Interfaces
  • Lesson 2: Dependency Injection with Constructors
  • Lesson 3: Dependency Injection with Methods
  • Lesson 4: Removing Global State

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