apple / pkl

A configuration as code language with rich validation and tooling.

eclipse-collections / eclipse-collections

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

objectionary / eo

EOLANG, an Experimental Pure Object-Oriented Programming Language Based on 𝜑-Calculus

yegor256 / takes

True Object-Oriented Java Web Framework without NULLs, Static Methods, Annotations, and Mutable Objects

yegor256 / cactoos

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

taovietducofficial / OOP-Competitive

Master OOP beyond the basics with SOLID, Clean Code, Design Patterns, Testing, and Software Architecture through practical Java, C++, and Python projects.

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.

taovietducofficial / OOP-Junior

OOP-Junior is the next level after OOP-Student, advancing Object-Oriented Programming through practical design, SOLID, Clean Code, Design Patterns, testing, and software architecture with Java, C++, and Python.

ironwood-lang / ironwood

Ironwood is an ahead-of-time compiled, object-oriented language for high-performance native applications. It preserves the familiar Java syntax, object model, and everyday APIs that Java developers already know, while producing optimized native executables with no JVM, JIT, or garbage collector.