+Dependency Injection (DI) is a software design pattern where components receive their required dependencies from an external source, rather than creating them themselves. This method enhances [Loose Coupling](/wiki/loose_coupling) and simplifies [Unit Testing](/wiki/unit_testing) by making systems more modular and flexible.
+## See also
+- [Inversion of Control](/wiki/inversion_of_control)
+- [Design Patterns](/wiki/design_patterns)
+- [Software Architecture](/wiki/software_architecture)
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