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Java Spring Basics Modeling, Storing, and Presenting Data Create a Data Repository Component

Ricardo Sala
Ricardo Sala
13,390 Points

DEPENDENCY INJECTION

Can some experienced coder please explain what Dependency Injection is?

I mean...in depth, what is it? what is it used for?

It is not clear to me in the video and seems like an important concept.

1 Answer

Sławomir Lasik
Sławomir Lasik
7,792 Points

I have struggled with this DI for some time (i mean i avoided it) but I know that it can't be done. It is useful especially for testing.

Read it here http://www.jamesshore.com/Blog/Dependency-Injection-Demystified.html

and here

https://www.javaworld.com/article/2071914/excellent-explanation-of-dependency-injection--inversion-of-control-.html