Spring Tutorial - 2 - Dependency Injection & Inversion of Control without Spring

In this episode of the Spring series, I explain to you the concept of Dependency Injection and Inversion of Control and then show you how to do it in a Java Project. #SpringFramework #SpringTutorial #Java

Code: https://gitlab.com/kody-simpson/spring-framework/dependency-injection-and-inversion-of-control-without-spring Resources:

• https://www.manning.com/books/dependency-injection?query=dependen
• https://www.javacodegeeks.com/2010/12/dependency-injection-manual-way.html#:~:text=%20Dependency%20Injection%20is%20a%20concept%20first%20and,Java%20application%2C%20we%20repeatedly%20encounter%20with%20two%20events%3A
• https://martinfowler.com/articles/injection.html

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0:00:00 - Intro 0:00:47 - What is a dependency? 0:02:45 - What is Dependency Injection? 0:05:16 - What is Inversion of Control? 0:06:45 - Manual Dependency Injection (without Spring framework) 0:09:51 - Tight coupling 0:11:18 - Loose coupling 0:14:21 - Example 1 (Constructor Injection) 0:17:38 - Example 2 (Using interface to support "swappability") 0:23:48 - Outro

More Videos coming soon. Leave a comment for any future video suggestions. ... https://www.youtube.com/watch?v=kzZnWVm0h98