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Design patterns implemented in Java

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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

Everything you need to know to get the job.

All Algorithms implemented in Java

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.

Free universal database tool and SQL client

Getting Started with Spring Boot 3:

Netty project - an event-driven asynchronous network application framework

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

A browser automation framework and ecosystem.

about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。

Mirror of Apache Kafka

Open Source Identity and Access Management For Modern Applications and Services

Desktop/Android/HTML5/iOS Java game development framework

Jenkins automation server

A Java serialization/deserialization library to convert Java Objects into JSON and back

The automation tower defense RTS

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

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

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

IntelliJ IDEA Community Edition & IntelliJ Platform

Zipkin is a distributed tracing system

A high performance caching library for Java

Most popular Mocking framework for unit tests written in Java

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