Learn Java. From Hello World to Hired.
JavaKing teaches Java programming from your first line of code to job-ready skills.
66 tutorials. Clear explanations. Practical examples.
New to Java? Start Here
These guides take you from first install to writing real programs.
- Complete Java Learning Path – 30 tutorials from basics to Spring Boot, in order.
- What is Java? A Beginner’s Guide – What Java is, where it’s used, and why it matters.
- Is Java Worth Learning in 2026? – Job market data and honest assessment.
- Free Java Learning Resources – Courses, books, and practice platforms.
Explore by Topic
| Tutorials 30 step-by-step Java programming guides |
Comparisons Java vs Python, JavaScript, Go, Rust, and more |
| Interview Prep Common questions and how to answer them |
Tools & Resources IDEs, cheat sheets, and setup guides |
| Projects Build real applications for your portfolio |
Career Career paths, salaries, and job advice |
| Advanced Design patterns, testing, and modern Java |
Latest Additions
- Build a REST API with Spring Boot
- Java Design Patterns
- Java Unit Testing with JUnit
- Java Records and Sealed Classes
- Java Developer Career Path
Quick References
Cheat sheets for working developers:
- Java Syntax Cheat Sheet
- Java String Methods Cheat Sheet
- Java Collections Cheat Sheet
- Java Exceptions Cheat Sheet
About JavaKing
JavaKing offers free Java programming tutorials for beginners and working developers. Whether you’re learning your first language or preparing for technical interviews, you’ll find practical guides here.
Questions? Get in touch.