Tutorials¶
Curated tutorials and interactive platforms from the Java Roadmap 2025.
Official Tutorials¶
| Tutorial | Description |
|---|---|
| Oracle Java Tutorials | The official Java tutorials |
| Java Collections Framework Guide | Official Collections documentation |
| Java NIO Tutorial | Official NIO documentation |
| Java Language Updates | Java 9+ feature documentation |
Community Tutorials¶
| Tutorial | Description | Focus |
|---|---|---|
| Baeldung | Excellent Java/Spring tutorials | All levels |
| Jenkov.com | Java tutorials with internals | Concurrency |
| GeeksforGeeks Java | DSA + Java tutorials | All levels |
| DigitalOcean Java | Practical tutorials | Beginner |
Concurrency Tutorials¶
| Tutorial | Description |
|---|---|
| Java Concurrency Tutorial - Jenkov | Comprehensive concurrency guide |
| Java Concurrency - Baeldung | Concurrency tutorials |
| Multithreading - GeeksforGeeks | Multithreading basics |
Java 8+ Tutorials¶
| Tutorial | Description |
|---|---|
| Java Streams - Baeldung | Stream API tutorial |
| Java 8 Stream Tutorial - Jenkov | Functional programming |
| Functional Programming with Streams | Functional interfaces |
Practice Platforms¶
| Platform | Description |
|---|---|
| HackerRank Java Track | Java challenges |
| LeetCode | Algorithm practice |
| Codecademy Java | Interactive Java course |
| Exercism Java Track | Practice with mentorship |