AiTechWorlds
Learn Java with the best GitHub repositories — design patterns, algorithm implementations, and curated resources. Master one of the most in-demand enterprise languages for free.
9 repositories
iluwatar
Every design pattern, in Java
A comprehensive collection of design patterns implemented and documented in Java.
What you get
What you'll learn
Best for: Java developers leveling up architecture skills.
TheAlgorithms
Algorithms implemented in Java
A community collection of algorithms and data structures in Java for learning.
What you get
What you'll learn
Best for: Java learners and interview prep.
spring-projects
The standard Java backend framework
Spring Boot — the most popular framework for building production Java applications.
What you get
What you'll learn
Best for: Java devs building enterprise apps.
akullpp
Curated Java frameworks & libraries
A curated list of awesome Java frameworks, libraries, and software.
What you get
What you'll learn
Best for: Java devs exploring the ecosystem.
kdn251
Everything to prep for tech interviews
A comprehensive interview-prep repo with Java implementations of algorithms and data structures.
What you get
What you'll learn
Best for: Java candidates preparing for interviews.
s4kibs4mi
A roadmap for Java developers
A roadmap of skills and technologies for becoming a Java developer.
What you get
What you'll learn
Best for: Aspiring Java developers.
Snailclimb
A complete Java learning guide
A comprehensive Java study guide covering core Java, concurrency, JVM, and interviews.
What you get
What you'll learn
Best for: Java devs studying and interviewing.
macrozheng
A full e-commerce system in Spring
A large, real-world e-commerce project built with Spring Boot to learn from.
What you get
What you'll learn
Best for: Java devs studying a real codebase.
krahets
Visual DSA with Java/Python code
A beautifully illustrated data-structures-and-algorithms book with multi-language code.
What you get
What you'll learn
Best for: Visual learners of DSA in Java.
iluwatar/java-design-patterns is one of GitHub’s most starred Java repos — every design pattern implemented and explained.
TheAlgorithms/Java provides clean, runnable implementations of algorithms and data structures in Java.
Yes — it is widely taught, and these repos cover both fundamentals and advanced design.
Pair these with our learning roadmaps, free courses, and notes library.
