---
title:  Dependency Injection
anchor: dependency_injection
---

# Dependency Injection {#dependency_injection_title}

From [Wikipedia](https://wikipedia.org/wiki/Dependency_injection):

> Dependency injection is a software design pattern that allows the removal of hard-coded dependencies and makes it
> possible to change them, whether at run-time or compile-time.

This quote makes the concept sound much more complicated than it actually is. Dependency Injection is providing a
component with its dependencies either through constructor injection, method calls or the setting of properties. It is
that simple.