Hey everyone! I'm looking to quickly get up to speed with Object-Oriented Programming (OOP) using Java. I already have some basic programming knowledge, but my goal is to master OOP concepts like classes, inheritance, polymorphism, and encapsulation in a short time—maybe just a few weeks. I'm searching for structured resources, roadmaps, or advice to help me tackle this without feeling overwhelmed. If you have any recommendations for courses, books, YouTube channels, or tips from your own experiences, I would greatly appreciate it. Bonus points for resources that are beginner-friendly but still provide a solid foundation! Thanks in advance!
5 Answers
Check out [Dev.Java](https://dev.java/learn/) and make sure to dive into the "Getting to Know the Language" section. Just take it chapter by chapter and create your own small projects along the way. Understanding OOP is a big deal and truly requires a different mindset, but it’s worth taking your time with it beyond those few weeks—so don’t rush it too much!
Try the Helsinki MOOC for Java—it's got a lot of solid content! [Check it out here](https://java-programming.mooc.fi/). It could complement your learning nicely.
You could actually learn the basics of OOP pretty quickly—like in a couple of days! OOP is designed to simplify programming, so it’s not overly complicated. I found this [W3Schools resource](https://www.w3schools.com/java/java_oop.asp) really helpful. But keep in mind, mastering it will take real practice by writing your own code. It’s a good idea to start a small project that interests you and use OOP principles in it!
You should definitely check out Kunal Kushwaha's YouTube playlist for Java. It's an awesome resource for learning OOP concepts and also covers Java basics and DSA. You'll pick up everything you need fairly easily so it's worth a watch!
Just a heads up—while you can get a grasp of the basic OOP concepts in a few weeks, truly mastering it takes a lot longer, like years of practice. So keep that in mind as you dive in!
Totally agree! It's better to grasp the concepts well than to rush through them.