Anil Singh | Code-sample.com

What Is a Dependency? When module X in an application needs module Y to run, then module Y is a dependency of module X.   What Is Dependency Injection (DI)? Dependency Injection is a powerful pattern for managing code dependencies. DI is a way to create objects that depend upon other objects. Angular has its own DI framework pattern, and you really can't build an Angular application without Dependency injection (DI). A DI system supplies the dependent objects when it creates an instance of an object. Let us take an example of a CAR. The CAR consists of following things - 1.       Wheel 2.       Headlight 3.       Outer door 4.       Inner door 5.       Glass 6.       Window 7.       Fuel level sensor So to complete the CAR, we need those eight and so many things. In this...