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ASP.NET Core has an excellent Inbuilt Dependency Injection Feature which you can study more about it from this tutorial. By using it you can split your application into a collection of loosely-coupled, highly-cohesive pieces, and then glue them back together in a flexible manner. This makes your code easier to write, reuse, test, and modify. In this tutorial you will learn to implement Ninject in ASP.net MVC application in just 2 minutes time.