What Is Dependency Injection? | Easy Explanation with Examples

In this video, you’ll learn what *Dependency Injection (DI)* is — one of the most important principles in object-oriented programming and software design. We’ll break it down step-by-step so you can understand *why DI makes your code cleaner, easier to test, and more maintainable.* What You’ll Learn: * The problem with *tight coupling* between classes * What is *Dependency Injection* and *why does it matter*? By the end of this tutorial, you’ll understand the *core concept of DI* and be ready to apply it in your *Spring Boot* or *plain Java* projects. Don’t forget to *Like, Subscribe,* and *Comment* what Java topic you want explained next!