java

:books: 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计

Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

Design patterns implemented in Java

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于Spring Boot+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。

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

😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

Free and Open Source, Distributed, RESTful Search Engine

All Algorithms implemented in Java

Everything you need to know to get the job.

《代码随想录》LeetCode 刷题攻略：200道经典题目刷题顺序，共60w字的详细图解，视频难点剖析，50余张思维导图，支持C++，Java，Python，Go，JavaScript等多语言版本，从此算法学习不再迷茫！🔥🔥 来看看，你会发现相见恨晚！🚀

LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

Free universal database tool and SQL client

Google core libraries for Java

Dex to Java decompiler

坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.

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

A meticulous HTTP client for the JVM, Android, and GraalVM.

Apache Spark - A unified analytics engine for large-scale data processing

A type-safe HTTP client for Android and the JVM

The java implementation of Apache Dubbo. An RPC and microservice framework.

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。

🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解

Browse media content with your own rules on Android TV

A browser automation framework and ecosystem.

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

Apache Kafka - A distributed event streaming platform

🚀一个用来深入学习并实战 Spring Boot 的项目。

快速、简洁、解决大文件内存溢出的java处理Excel工具

微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents

A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）

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。

🍬A set of tools that keep Java sweet.

A memory leak detection library for Android.

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

The automation tower defense RTS

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

ehviewer，用爱发电，快乐前行

🔥🔥超过1000本的计算机经典书籍、个人笔记资料以及本人在各平台发表文章中所涉及的资源等。书籍资源包括C/C++、Java、Python、Go语言、数据结构与算法、操作系统、后端架构、计算机系统知识、数据库、计算机网络、设计模式、前端、汇编以及校招社招各种面经~

👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

Jenkins automation server

FlatBuffers: Memory Efficient Serialization Library

Apache Flink

⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, React, Solid, Svelte, Vue with: iOS (UIKit, SwiftUI), Android (View, Jetpack Compose), Flutter and you name it compatible.

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

Desktop/Android/HTML5/iOS Java game development framework

To Be Top Javaer - Java工程师成神之路

Redisson: Valkey & Redis Java Client and 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, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.

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

A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.

Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.

IntelliJ IDEA 简体中文专题教程

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

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

MyBatis SQL mapper framework for Java

✨ 开源、免费、一站式 Java 权限认证框架，让鉴权变得简单、优雅！—— 登录认证、权限认证、分布式 Session 会话、微服务网关鉴权、SSO 单点登录、OAuth2.0 统一认证、jwt 集成、API Key 秘钥授权、API 参数签名

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

Adaptable, fast automation for all

图解计算机网络、操作系统、计算机组成、数据库，共 1000 张图 + 50 万字，破除晦涩难懂的计算机基础知识，让天下没有难懂的八股文！🚀 在线阅读：https://xiaolincoding.com

High Performance Inter-Thread Messaging Library

一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄

👶🏻 신입 개발자 전공 지식 & 기술 면접 백과사전 📖

Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit

🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.

This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.

Build cross-platform Native Progressive Web Apps for iOS, Android, and the Web ⚡️

A server software reimplementation for a certain anime game.

The official home of the Presto distributed SQL query engine for big data

Modern Java - A Guide to Java 8

Sourcetrail - free and open-source interactive source explorer

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

Quarkus: Supersonic Subatomic Java.

Um guia extenso de informações com um vasto conteúdo de várias áreas para ajudar, agregar conhecimento e retirar dúvidas, nesse guia você encontrará tudo que necessário para qualquer carreira relacionada a tecnologia.

A static analyzer for Java, C, C++, and Objective-C

🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.

Most popular Mocking framework for unit tests written in Java

GitHub上最火的Android开源项目,所有开源项目都有详细资料和配套视频

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Logstash - transport and process your logs, events, or other data

Free implementation of Play Services

高效率 QQ 机器人支持库

Universal File Online Preview Project based on Spring-Boot

【大厂面试专栏】一份Java程序员需要的技术指南，这里有面试题、系统架构、职场锦囊、主流中间件等，让你成为更牛的自己！

Vert.x is a tool-kit for building reactive applications on the JVM

Access your entire server infrastructure from your local desktop

🏗 Build container images for your Java applications.

Docker image that provides a Minecraft Server for Java Edition that automatically installs/upgrades versions, modloaders, modpacks and more at startup

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learn...

Generate types and converters from JSON, Schema, and GraphQL