Free Java courses (with certificates!) from the creators of IntelliJ IDEA 🤯

Сonfession time: I've been using IntelliJ IDEA for ages, but somehow I totally slept on Hyperskill — the learning platform from JetBrains. You know, the same folks who made our beloved IDE? Yeah, them. And guess what? They have 82 (!!) completely free courses — not just on Java, but also Python, Kotlin, Web Dev, DevOps, AI tools, SQL… you name it. Here's why I'm low-key obsessed: 🧠 Real coding exercises — not just theory, you actually write code 🎮 Gamification and progress visualization — you get 7 "lives" per day (aka 7 mistakes), which honestly? Keeps me from rage-quitting 📁 Project-based tracks — build things that look like real-world apps For my fellow Java travelers, here's what Hyperskill offers FOR FREE: — Introduction to Java — basics, data structures, OOP, debugging — Java Developer — syntax, functional programming, collections, multithreading, design patterns — Introduction to Spring Boot with Java — dependency injection, autoconfiguration, building web apps — Java Backend