Design patterns implemented in Java

All Algorithms implemented in Java

Everything you need to know to get the job.

A fast dependency injector for Android and Java.

A high performance caching library for Java

QuestDB is a high performance, open-source, time-series database

Quarkus: Supersonic Subatomic Java.

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

Yahoo! Cloud Serving Benchmark

The source code from the third edition of Effective Java, with minor additions as necessary to make it runnable.

Awaitility is a small Java DSL for synchronizing asynchronous operations

An uber-fast parallelized Java classpath scanner and module scanner.

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

An in-memory file system for Java

OpenTelemetry Java SDK

Enhancing Java Stream API

Quarkus quickstart code

Provides examples and code snippets for the JGit Java Git implementation

Unleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.

Distributed Systems Labs and Framework

Apache Kafka Series - Learn Apache Kafka for Beginners v3

HTTP web applications for Vert.x

Sagas for microservices

Feature Flags for the Java platform

Simple project environment for creating custom Keycloak extensions

Helper library for Spring Boot web applications

Property-Based Testing on the JUnit Platform

JUnit 5 Extension Pack