What is the Dependency Injection (DI) Pattern?
The Dependency Injection (DI) pattern is a design pattern used in software engineering to manage dependencies between objects. In DI, instead of a class creating its dependencies internally, these dependencies are provided to the class from an external source. This allows for greater flexibility, easier testing, and improved maintainability of the codebase.
- Flexibility: Classes become more flexible as they can easily switch between different implementations of dependencies.
- Testability: Dependency Injection facilitates easier unit testing, as dependencies can be easily replaced with mock objects.
- Maintainability: Code becomes easier to maintain and extend, as changes to dependencies can be made externally without modifying the class itself.
Dependency Injection vs Factory Pattern
In coding, there are special ways to organize our work called “design patterns.” Two important ones are Dependency Injection (DI) and the Factory Pattern. They help make our work easier by keeping things neat and separate. In this article, we will see the differences between them and, when to use each.
Important Topics to Understand the differences between Dependency Injection and Factory Pattern
- What is the Dependency Injection (DI) Pattern?
- What is the Factory Pattern?
- Dependency Injection vs Factory Pattern
- Use Cases of Dependency Injection Pattern
- Use Cases of Factory Pattern
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