Dependency Injection (DI)

Inversion of Control and dependency management.

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Dependency Injection

Dependency Injection is a design pattern in which an object or function receives other objects or functions that it depends on. It is a form of Inversion of Control (IoC), where the creation and binding of dependencies are handled by an external entity (the DI Container).

Dependency Injection

Creates

Injects

Used by

DI Container / Injector

Service Instance

Client Class

Manual Control

New

Client Class

Service Instance