iluwatar/java-design-patterns
★ 94,795 stars
Covered in week 2026-W18 · the 2026-04 report
Design patterns implemented in Java
What java-design-patterns is
Design patterns are the best, formalized practices a programmer can use to solve common problems when designing an application or system.
From the repository README · read it on GitHub →
Transcript
Java design patterns courses cost $55. This teaches you over 220 patterns for free. Java design patterns covers everything from Gang of Four classics to modern microservices architectures like circuit breaker, event sourcing, and CQRS. Each pattern includes production ready Java code with detailed comments, helping you write cleaner architecture and pass senior engineering interviews. With 94,000 stars on GitHub, it's the most comprehensive patterns reference available. Worth a star, link in description.
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