iluwatar / java-design-patterns

Design patterns implemented in Java

yegor256 / cactoos

Object-Oriented Java primitives, as an alternative to Google Guava and Apache Commons

entropy-cloud / nop-entropy

Nop Platform 2.0 is a next-generation low-code development platform built from scratch based on the principles of reversible computation, adopting a language-oriented programming paradigm. It includes a suite of fully designed engines such as a GraphQL engine, ORM engine, workflow engine, reporting engine, rule engine, and batch processing engine,

taovietducofficial / OOP-Student

OOP-Student is the next level after OOP-Beginner, helping learners move from basic OOP to practical object-oriented design with Java, C++, and Python through abstraction, composition, SOLID principles, design patterns, and real-world exercises.