What is Dependency Injection in Spring? | Use of DI Explained with Examples

In this tutorial, we will learn:

✅ What is Dependency Injection (DI) in the Spring Framework
✅ Why we use Dependency Injection
✅ Real-life and coding examples of Tight Coupling vs Loose Coupling
✅ Two main types of DI – Constructor & Setter Injection
✅ How DI makes code flexible, testable, and clean
✅ How Spring manages dependencies automatically

This video is perfect for Java & Spring beginners, and those preparing for interviews or working on real-world projects.

🎯 Explained in a very simple, beginner-friendly way — like teaching a 5th grader!

💡 Stay tuned for the next part where we’ll cover 6 different ways to achieve Dependency Injection in Spring.

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