Design patterns implemented in Java

Everything you need to know to get the job.

All Algorithms implemented in Java

Google core libraries for Java

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Just Announced - "Learn Spring Security OAuth":

Netty project - an event-driven asynchronous network application framework

Mirror of Apache Kafka

a fast, scalable, multi-language and extensible build system

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

High Performance Inter-Thread Messaging Library

Most popular Mocking framework for unit tests written in Java

Cracking the Coding Interview 6th Ed. Solutions

A Java API for generating .java source files.

A collection of source code generators for Java.

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

A damn simple library for building production-ready RESTful web services.

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

📈 Capturing JVM- and application-level metrics. So you know what's going on.

Algorithms, 4th edition textbook code and libraries

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

A fast dependency injector for Android and Java.

Apache Storm

Android Asynchronous Networking and Image Loading

Runtime code generation for the Java virtual machine.

A Java to iOS Objective-C translation tool and runtime.

Kafka Web UI

An enhanced Guava-based event bus with emphasis on Android support.