Java

Java was originally developed as an alternative to the C/C++ programming languages. It is now mainly used for building web, desktop, mobile, and embedded applications. Java is owned and licensed through Oracle, with free and open source implementations available from Oracle and other vendors.

GitHub: https://github.com/topics/java
Wikipedia: https://en.wikipedia.org/wiki/Java_(software_platform)
Created by: James Gosling
Released: May 23, 1995
Aliases: java-8, java8, java11, java-11, jvm, jdk, openjdk, javase, java-se,
Last updated: 2026-07-16 00:12:31 UTC
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https://github.com/knopflerfish/knopflerfish.org

Knopflerfish OSGi Service Platform. OSGi run-time container and SDK source code repo

java osgi osgi-services

Last synced: 14 Jan 2026

https://github.com/a2ap/a2a4j

A2A4J is a comprehensive Java implementation of the Agent2Agent Protocol, including server, client, examples, and starters.

a2a a2a-client a2a-protocol a2a-server ai java llm mcp spring springboot

Last synced: 14 Jan 2026

https://github.com/glenncai/open-bi-platform-backend-microservices

An open-source business intelligence platform based on microservice architecture.

eureka java mysql openai rabbitmq redis spring-boot spring-cloud spring-cloud-config spring-cloud-gateway

Last synced: 04 Jul 2025

https://github.com/benelog/one-ftpserver

Simple, portable FTP server for one user by one executable jar file.

ftp java

Last synced: 04 Sep 2025

https://github.com/selwynshen/nics-easy-rules

rules-engine, based on easy-rules

java rule-engine rules-engine spring yaml

Last synced: 14 Jan 2026

https://github.com/smehrbrodt/libreoffice-starter-extension

LibreOffice Starter Extension

eclipse java libreoffice libreoffice-extension

Last synced: 24 Apr 2025

https://github.com/comcast/oscar

OSCAR - OpenSource Cablemodem file AssembleR - DOCSIS, PacketCable, DPoE Configuration Editor and API Framework

cable-modem cli configuration-file docsis docsis-editor java snmp tlv

Last synced: 11 Apr 2025

https://github.com/mukulkolpe/social_media_app

A social media app where users will be able to communicate in public channels as well as personal messages, share stories, share media.

andriod chat-application firebase firebase-auth firebase-database firebase-realtime-database java social-media social-media-app xml

Last synced: 12 Apr 2025

https://github.com/phax/en16931-cii2ubl

Converter for EN16931 invoices from CII to UBL

cii converter creditnote en16931 invoice java oasis ubl

Last synced: 29 Dec 2025

https://github.com/mmtk/mmtk-openjdk

OpenJDK binding for MMTk

java mmtk openjdk vm

Last synced: 10 Feb 2026

https://github.com/metersphere/metersphere-platform-plugin

该项目是 Metersphere 为支持对接第三方平台缺陷与需求（比如Jira、禅道等），所开发的插件项目

java jira metersphere plugin

Last synced: 20 Aug 2025

https://github.com/manticore-projects/jsqlformatter

Java SQL Formatter, Beautifier and Pretty Printer

beautify formatter java mssql mysql oracle postgres pretty-print sql

Last synced: 26 Aug 2025

https://github.com/aboullaite/minio-starter

java minio spring-boot

Last synced: 04 Apr 2025

https://github.com/eclipse-jnosql/jnosql-extensions

This project contains all specialization to Eclipse JNoSQL. The specific behavior in a NoSQL database matters, that's why there are Eclipse JNoSQL Mapper specializations.

jakartaee java jnosql microprofile

Last synced: 07 Apr 2026

https://github.com/mp911de/redis-stream-demo

Demo for Redis Streams

java redis spring-boot stream stream-processing

Last synced: 05 Jul 2025

https://github.com/abdelrahmanbayoumi/hotelfx

Desktop Application for managing the reservations and Guest Check-in or Check-Out built with JavaFX and SQL Database with Hibernate ORM.

database desktop-application fxml hibernate hotel hotel-booking hotel-management-system java javafx orm-framework sql

Last synced: 04 Apr 2025

https://github.com/ivangfr/springboot-kong-keycloak

Goal: create a Spring Boot app called book-service accessible only through the Kong API gateway. In Kong, the kong-oidc plugin will be installed, enabling communication between Kong and Keycloak. This setup ensures that when Kong receives a request for book-service, it validates the request in conjunction with Keycloak to ensure its authenticity.

docker graalvm java keycloak kong kong-oidc mongodb mysql native postgresql spring-boot spring-data-mongodb spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/ere-health/ere-ps-app

ERE Primary System Desktop Client Application of the Gematik TI

eprescription healthcare java quarkus

Last synced: 12 Apr 2025

https://github.com/cronn-de/ssh-proxy

Pure Java implementation for SSH port tunneling that understands ProxyJump and ProxyCommand

java ssh tunnel

Last synced: 19 Mar 2025

https://github.com/jchambers/id-obfuscator

A Java library for reversibly obfuscating numerical identifiers (e.g. 1234 ↔ 4TQCNTL)

java obfuscation security

Last synced: 26 Mar 2025

https://github.com/edaaydinea/hackerrank

This repository includes HackerRank Solutions

artificial-intelligence hackerrank hackerrank-30dayschallange hackerrank-algorithms-solutions hackerrank-artificialintelligence hackerrank-interview-kit hackerrank-java-solutions hackerrank-python-solutions hackerrank-solution hackerrank-solutions hackerrank-sql-solutions hackerrank-statistics java java-8 python python3 sql

Last synced: 11 Apr 2025

https://github.com/anishlearnstocode/algorithmic-toolbox

Solutions to Coursera course by University of California, San Diego.

algorithms coursera data-structures dynamic-programming java programming python python3 solutions

Last synced: 10 Apr 2025

https://github.com/godcrampy/fireflydb

FireflyDB is a fast, thread-safe, JVM-based key-value storage engine with microsecond latency.

database java storage-engine

Last synced: 17 Jan 2026

https://github.com/didinj/spring-boot-mongodb-react-java-crud

Spring Boot, MongoDB and React.js CRUD Java Web Application Example

application boot crud example java mongo mongodb react reactjs spring spring-boot tutorial web webapp

Last synced: 24 Apr 2025

https://github.com/gantsign/ansible-role-java

Ansible role for installing Java from Adoptium

ansible ansible-role java

Last synced: 06 Apr 2025

https://github.com/redistimeseries/jredistimeseries

Java Client for RedisTimeSeries

java java-client redis timeseries

Last synced: 10 Mar 2026

https://github.com/zaahidali/atm-management-system

A semester project completed in Java Programming language

atm atm-management-system java java-programming java-project semester-project

Last synced: 21 Apr 2025

https://github.com/yegor256/hangman

Hangman (the game) written in a very unelegant procedural style, which you can improve in order to test your skills

game hangman-game java oop

Last synced: 07 Apr 2025

https://github.com/whaleal/mars

Mars - Java Object Document Mapper for MongoDB (MongoDB ODM Framework )

codec java javaorm mars mongodb odm orm orm-framework springboot whaleal

Last synced: 02 Jul 2025

https://github.com/valmobile/realisticsurvival

Realistic Survival - A unique Spigot/Paper plugin inspired by RLCraft that aims to enhance pure survival, adventuring and RPG, and immersion of vanilla Minecraft.

bukkit discord java minecraft modded modded-minecraft modpack mods open-source paper papermc plugin spigot spigotmc survival

Last synced: 14 Mar 2026

https://github.com/zapodot/embedded-ldap-junit

A JUnit rule for running an embedded LDAP server in your JUnit test

java junit-rule ldap ldap-server testing unbound

Last synced: 23 Oct 2025

https://github.com/pisces-hub/muchat

Muchat是用JAVA语言开发的轻量、高性能、单机支持几十万至百万在线用户IM，主要目标降低即时通讯门槛，快速打造低成本接入在线IM系统，通过极简洁的消息格式就可以实现多端不同协议间的消息发送如内置(Http、Websocket、Tcp自定义IM协议)

chat im java netty redis springboot tcp zookeeper

Last synced: 12 Apr 2025

https://github.com/dpsoft/ap-agent

Java agent that acts as a proxy to the almighty Async Profiler

async-profiler firefox-profile flamegraph flamescope java performance pprof profiling

Last synced: 17 Jan 2026

https://github.com/afarber/android-questions

Small projects for asking at Stackoverflow

android java stackoverflow

Last synced: 05 Oct 2025

https://github.com/edummorenolp/arg-programa-4.0-fullstack-ejercicios

Este repositorio contiene los ejercicios resueltos del curso FullStack de ARG Programa 4.0. Los ejercicios están organizados por temas y cada uno cuenta con su propia carpeta. La idea es que los estudiantes puedan utilizar este repositorio como una guía para resolver los ejercicios por su cuenta y como referencia para comparar sus soluciones.

css git github html java javascript mysql spring-boot thymeleaf

Last synced: 15 Mar 2026

https://github.com/radarsh/raroscope

A pure Java library for scanning and enumerating RAR archive contents

compression java rar-archives

Last synced: 07 Mar 2026

https://github.com/The-Nefarious-Developer/eclipse-ai-assistant

An Eclipse AI Assistant that connects with SAP AI Core deployments to provide a "copilot" experience to ABAP Developers on the cloud and on-premise

abap ai assistant copilot eclipse gpt ide java joule maven-thyco sap

Last synced: 30 Oct 2025

https://github.com/andriawan/AndKasir

AndKasir merupakan aplikasi open source yang dibangun dengan bahasa pemrograman Java untuk kebutuhan retail perusahaan menengah dalam mengatur aktifitas barang masuk dan keluar. konsultasi isu, instalasi dan penambahan fitur silahkan kirim email ke irwan@andriawan.com

java kasir point-of-sale

Last synced: 13 Apr 2025

https://github.com/norconex/importer

Norconex Importer is a Java library and command-line application meant to "parse" and "extract" content out of a file as plain text, whatever its format (HTML, PDF, Word, etc). In addition, it allows you to perform any manipulation on the extracted text before using it in your own service or application.

extract html java java-library manipulation norconex-importer parse pdf

Last synced: 17 Jun 2025

https://github.com/gcoronelc/peci-java-mar-2015

Repositorio del curso de Java de Mar 2015

java jdbc mybatis mysql netbeans oracle spring sql

Last synced: 06 Apr 2025

https://github.com/jenkinsci/gitlab-oauth-plugin

Jenkins authentication plugin using GitLab OAuth as source

java jenkins plugin

Last synced: 01 Mar 2026

https://github.com/professorjosedeassis/javaee

Java WEB Level 1 (Servlet - jsp - JDBC)

crud itextpdf java javaee jdbc jdbc-driver jsp mysql servlet

Last synced: 28 Feb 2026

https://github.com/nandtel/spring-boot-angular2-starter

Starter application. Spring Boot, Angular 2, TypeScript, Gulp, Gradle, SCSS.

angular2 gradle gulp heroku java livereload scss spring-boot typescript

Last synced: 04 Mar 2026

https://github.com/domclick/kafka-logback

java kafka logback logback-appender logging

Last synced: 31 Jan 2026

https://github.com/thomasnield/dirtyfx

Dirty state-tracking properties and collections for JavaFX

java javafx kotlin tornadofx

Last synced: 03 Mar 2026

https://github.com/dpwgc/fast-im

FastIM 一个基于Spring Boot + WebSocket + Redis，可快速开发的分布式即时通讯群聊系统。适用于直播间聊天、游戏内聊天、客服聊天等临时性群聊场景。

im java nosql redis server spring-boot web websocket

Last synced: 02 Mar 2026

https://github.com/cicsdev/cics-banking-sample-application-cbsa

CICS® banking sample application

java maven-pom spring-boot

Last synced: 05 Mar 2026

https://github.com/KyoriPowered/event

An event bus.

eventbus java

Last synced: 26 Apr 2026

https://github.com/mojohaus/wagon-maven-plugin

java maven maven-plugin mojohaus

Last synced: 27 Dec 2025

https://github.com/codelytv/java-gildedrose-kata

gilded-rose gildedrose java kata solid

Last synced: 26 Apr 2025

https://github.com/pubref/rules_maven

Transitive maven dependencies with Bazel.

bazel gradle java maven transitive-closure

Last synced: 04 Sep 2025

https://github.com/albfernandez/itext2

Java Library to create and manipulate PDF on the fly

java

Last synced: 14 Jan 2026

https://github.com/xing/xing-android-sdk

The Official XING API client for Java/Android

android api api-client java moshi oauth xing xing-api

Last synced: 14 Jan 2026

https://github.com/javadev/hexeditor

The binary file editor

binary binary-file-editor editor java swing up-to-2-gb

Last synced: 07 Jul 2025

https://github.com/chriy/pighelper

:pig:基于Hybrid+SSM的养猪信息化管理平台，该平台实现了对实时新闻，猪价的爬虫获取，以及各类养殖账单的增删改查等等。该项目适配了移动端界面，最终通过Hybrid混合式App开发技术打包成App,安装在移动端使用

java layui mybatis spring spring-mvc

Last synced: 26 Aug 2025

https://github.com/materna-se/declab

📊 Web-based decision model laboratory powered by jDEC and Vue.js

decision-management decision-model dmn docker java javascript vue

Last synced: 09 Sep 2025

https://github.com/taketoday/today-web

😐 A Java library for building web applications

framework high-performance java java-web lightweight servlet springmvc

Last synced: 03 Oct 2025

https://github.com/venwyhk/spring-social-wechat

基于spring-social微信第三方登录实现，支持微信开放平台、微信公众平台和企业微信。

java oauth2 spring-boot spring-social wechat wecom

Last synced: 02 Aug 2025

https://github.com/gameofdimension/java-bert-predict

turn bert pretrain checkpoint into saved model for a feature extracting demo in java

bert feature-extraction google-bert java tensorflow

Last synced: 15 Oct 2025

https://github.com/bhanuprakashnani/resume-builder-java

Resume Builder using Java and JDBC

java jdbc jdbc-connector oops oops-in-java oops-java resume resume-builder resume-creator

Last synced: 06 Jul 2025

https://github.com/coditory/sherlock-distributed-lock

Distributed lock for JVM

distributed-lock java jvm microservices mongodb

Last synced: 25 Sep 2025

https://github.com/open-learning-exchange/myplanet

🌕 myPlanet android app reads data from 🌎 for offline use as well as it collect usage data and sends them back to the Planet.

android-device android-studio apk hacktoberfest java kotlin learning planet realm sync

Last synced: 10 Jul 2026

https://github.com/walt-id/waltid-walletkit

Toolkit for SSI and NFT/SBT wallets

blockchain cryptography decentralized-identifiers decentralized-identity identy java kotlin self-sovereign-identity siopv2 ssi verifiable-credentials wallet wallet-service

Last synced: 17 Jun 2026

https://github.com/sap/sailing-analytics

The Sailing Analytics, formerly known as the "SAP Sailing Analytics," are a solution for portraying and analyzing sailing regattas, support training scenarios, and power the vast archive at https://sapsailing.com.

analytics android gwt java osgi sailing sap web

Last synced: 14 Jul 2026

https://github.com/Hangman/TuningFork

Advanced 3D audio features for libGDX desktop users.

audio audio-engine audioengine game-development java libgdx sound sound-effects

Last synced: 01 Apr 2025

https://github.com/gurubalan-git/ccc

Code. Compete. Collaborate. An initiative taken to code and help people code from A-Z aimed majorly at placements, by collaborators from around the globe.

c campus-placements coding-challenge coding-interviews coding-standards community-project competitive-coding competitive-programming cpp java open-source placements python

Last synced: 25 Jul 2025

https://github.com/idouble/iot-arduino-game-controller-java

🎮 A Game controller realized with an Arduino, I modified the Arduino bootloader to program with Java ☕️

analog arduino arduino-boards arduino-game arduino-library arduino-sketch arduino-uno bootloader cheatsheet controller digital game-controller internet-of-things iot java keyboard mouse

Last synced: 08 Mar 2026

https://github.com/learning-zone/java-design-patterns

Java Design Patterns

java java-design-patterns

Last synced: 28 Jun 2025

https://github.com/arangodb/arangodb-spark-connector

arangodb java nosql scala spark

Last synced: 30 Sep 2025

https://github.com/ugioni/selenium-webdriver-java

Cucumber, Selenium WebDriver, Junit, Java and Maven.

e2e java selenium selenium-webdriver webdriver

Last synced: 02 May 2025

https://github.com/kyoripowered/indra

A set of Gradle plugins to apply common organization build settings.

gradle-plugin hacktoberfest java kotlin

Last synced: 06 May 2025

https://github.com/buaadreamer/buaa-compile-2021

2021年北航编译课程设计，基于SysY文法的MIPS编译器

c compiler java

Last synced: 11 Apr 2025

https://github.com/porkstudios/porklib

Fast, lightweight libraries for Java. Note: this is very much a work-in-progress, documentation is spotty and the API is changing constantly!

high-performance java library modular

Last synced: 19 Jul 2025

https://github.com/yihleego/trie4j

📒 An Aho-Corasick algorithm based string-searching utility for Java. It supports tokenization, ignoring case, replacing text. So you can use it to find keywords in an article, filter sensitive words, etc.

aho-corasick go java keywords sensitive stopwords string-searching

Last synced: 15 Jul 2025

https://github.com/OrienteerBAP/wicket-orientdb

Everything you need to work with Apache Wicket and OrientDB

java orientdb orienteer wicket

Last synced: 13 Mar 2025

https://github.com/chargebee/chargebee-java

Java library for the Chargebee API.

chargebee java

Last synced: 15 Jun 2026

https://github.com/neo4j/neo4j-java-driver-spring-boot-starter

Automatic configuration of Neo4j's Java Driver for Spring Boot applications

bolt driver java neo4j neo4j-driver spring-boot spring-boot-starter

Last synced: 30 Sep 2025

https://github.com/thedevstone/jestures

A simple framework for gesture recognition in Java

bintray demo dtw dynamic-time-warping eclipse eclipse-plugin findbugs gesture-recognition ivy java java-8 javadoc kinect kinect-sensor kinect-v2 kinect2 knn-algorithm knn-classification microsoft pmd

Last synced: 10 Apr 2025

https://github.com/yifanzheng/springboot-action

Spring Boot 入门学习示例。

ehcache elasticsearch freemarker guava java mybatis redis spring-boot thymeleaf

Last synced: 10 Apr 2025

https://github.com/dyleaf/wechat

Wechat：一款使用javafx实现的网络聊天室。

chat emoji java javafx-gui

Last synced: 10 Apr 2025

https://github.com/epam/timebasecryptoconnectors

TimeBase Crypto Market Data Connectors

bitfinex bitmex bitpanda coinbase crypto cryptocurrency cryptocurrency-prices exchange feed feeds finance hitbtc huobi java kraken market-data market-data-feeds okex trading

Last synced: 07 Jul 2025

https://github.com/tangorabox/componentinspector

Java Desktop (JavaFX and Swing) Component Inspector on mouse over

component component-inspector desktop inspector java javafx node swing

Last synced: 10 Apr 2025

https://github.com/alexprut/design-patterns-java

📗 Classic OOP Design Patterns from GoF, implemented in Java.

design-patterns gof java oop

Last synced: 30 Apr 2025

https://github.com/andy-goryachev/fxeditor

JavaFX rich text editor able to handle billions of lines (WORK IN PROGRESS)

handle-billions java javafx javafx-components javafx-desktop-apps javafx-gui

Last synced: 10 Apr 2025

https://github.com/bspfsystems/yamlconfiguration

Implementation of SnakeYAML to be easy to use with files.

java

Last synced: 21 Jun 2025

https://github.com/comtel2000/opc-ua-client

OPC-UA client UI

java javafx opc-ua opc-ua-client

Last synced: 11 Jun 2025

https://github.com/bamless/interpreter

A simple intepreter written in java.

c compiler interpreter java

Last synced: 07 May 2025

https://github.com/gejun123456/bootstrap-java-blog

A blog base on springboot+jquery+bootstrap+lucene+mybatis

blog java lucene springboot

Last synced: 17 Mar 2025

https://github.com/caveofprogramming/spring-framework-course

Source code for the Cave of Programming Spring Framework tutorial

java spring springframework springmvc

Last synced: 29 Oct 2025

https://github.com/orienteerbap/wicket-orientdb

Everything you need to work with Apache Wicket and OrientDB

java orientdb orienteer wicket

Last synced: 18 Dec 2025

https://github.com/thedevstone/Jestures

A simple framework for gesture recognition in Java

bintray demo dtw dynamic-time-warping eclipse eclipse-plugin findbugs gesture-recognition ivy java java-8 javadoc kinect kinect-sensor kinect-v2 kinect2 knn-algorithm knn-classification microsoft pmd

Last synced: 16 Jul 2025

https://github.com/mnestorov/regex-patterns

This repository contains regular expression (regex) patterns for validating phone numbers postal codes, VAT numbers, dates, currency, credit/debit cards etc. for European countries (but not only).

csharp csharp-regex european java java-regex javascript javascript-regex js-regex php php-regex python python-regex regex regex-match regex-pattern regex-patterns regex-validator ruby

Last synced: 12 Jul 2025

https://github.com/hoangsonww/the-stickynotes-app

📌 Welcome to The StickyNotes App, your new digital space for quick notes, brainstorming ideas, and keeping track of tasks. There are both web app and mobile versions - the latter is under review and will be published soon!

cordova cql css html java javascript kotlin machine-learning note note-taking notebook notes notes-app notes-tool pytorch react sql sticky-notes swift

Last synced: 01 Jul 2025

https://github.com/kimkevin/HangulParser

[Java&Android] HangulParser is to parse Hangul to Jaso(basic consonant and vowel) by using Unicode

android hangul java unicode vowel

Last synced: 11 May 2025

https://github.com/gigaherz/toolbelt

A simple mod that adds a belt for carrying tools

forge-mod java java-8 minecraft minecraft-forge-mod minecraft-mod

Last synced: 11 Oct 2025

https://github.com/tsegall/fta

Metadata/data identification Java library. Identifies Semantic Type information (e.g. Gender, Age, Color, Country,...). Extensive country/language support. Extensible via user-defined plugins. Comprehensive Profiling support.

data-discovery data-profiler data-profiling date java metadata semantic-type-detection semantic-typechecking semantic-types