Difference between Dependency Injection and Factory Pattern.

Using factory your code is still actually responsible for creating objects. By DI you delegate that responsibility to another class or a framework, which is separate from your code.

Use of dependency injection results in loosely coupled design but the use of factory pattern create a tight coupling between factory and classes.

A disadvantage of Dependency injection is that you need a container and configuration to inject the dependency, which is not required in case of factory design pattern.

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