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2017. 02 .01

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Dependency Injection is a well known design pattern and is one of the noteworthy features of the Angular framework. It helps engineers reuse, maintain, and test the code. It has become so popular, that it is hard to imagine a programming framework without this feature. Dependency Injection is closely related to the Inversion of Control pattern and Dependency Inversion, which stands for “D” in the SOLID object-oriented design acronym.