Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Free and Open Source, Distributed, RESTful Search Engine

Spring Framework

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.

Getting Started with Spring Boot 3:

Telegram for Android source

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

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

JDK main-line development https://openjdk.org/projects/jdk

IntelliJ IDEA & IntelliJ Platform

High Performance Inter-Thread Messaging Library

Zipkin is a distributed tracing system

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

Cracking the Coding Interview 6th Ed. Solutions

Spring Security

Java Native Access

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.

A tool for mocking HTTP services

Runtime code generation for the Java virtual machine.

Asynchronous Http and WebSocket Client library for Java

Java 1-21 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

Spring Data Example Projects

Main Liquibase Source

Demonstrates the features of the Spring MVC web framework

cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept f…

Ribbon is a Inter Process Communication (remote procedure calls) library with built in software load balancers. The primary usage model involves REST calls with various serialization scheme support.

Algorithms and Data Structures implemented in Java