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Hands-On High Performance with Spring 5 by Dinesh Radadiya, Prashant Goswami, Pritesh Shah, Subhash Shah, Chintan Mehta

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Dependency injection configurations

In any application, objects collaborate with other objects to perform some useful task. This relationship between one object and another in any application creates a dependency, and such dependencies between objects create tight-coupled programming in the application. Spring provides us with a mechanism to convert tight-coupled programming to loosely-coupled programming. This mechanism is called dependency injection (DI). DI is a concept or design pattern that describes how to create loosely-coupled classes where objects are designed in a manner where they receive instances of the objects from other pieces of code, instead of constructing them internally. This means that objects are given their dependencies ...

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