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: 2026-06-26 00:12:37 UTC
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https://github.com/ibm-wm-transition/ganymed-ssh-2

Ganymed SSH-2 for Java is a library which implements the SSH-2 protocol in pure Java.

java ssh-client-library

Last synced: 13 Oct 2025

https://github.com/codahale/passpol

A Java library for validating passwords against NIST SP-800-63B requirements.

java java-8 nist800-63b password-strength

Last synced: 04 Oct 2025

https://github.com/jenkinsci/sonar-quality-gates-plugin

Jenkins plugin that fails the build if the predefined sonar quality gates are not green.

ci code-analysis java jenkins jenkins-analysis jenkins-api-plugin jenkins-post-build sonar sonarqube

Last synced: 18 Aug 2025

https://github.com/johnsonlee/sonatype-publish-plugin

Gradle Plugin for publishing artifacts to Sonatype and Nexus

gradle gradle-plugin java kotlin maven nexus publish publishing sonatype

Last synced: 15 Apr 2025

https://github.com/timboudreau/vl-jung

NetBeans Visual Library integration with JUNG (Java Universal Graph Library) for rich, animated visualizations of graphs using real components

graph gui java visualization-library

Last synced: 27 Feb 2026

https://github.com/reportportal/agent-java-junit5

JUnit5 integration for ReportPortal

java junit5 reportportal

Last synced: 17 Mar 2026

https://github.com/Simsilica/SimEthereal

A high performance library for real-time networked object synching.

java jmonkeyengine jmonkeyengine3 network-library

Last synced: 19 Mar 2026

https://github.com/earizon/it_notes

A new way to document for the 21st century. This project has been superseded by "TXT World Domination".

angular architectural-patterns azure blockchain blockchain-technology cryptography devops devops-course devops-tools documentation ethereum java javascript kubernetes linux machine-learning ontology-engineering project-management python zettelkasten

Last synced: 22 Jan 2026

https://github.com/sohail0992/hostel-management-system

Hostel management system

database database-queries databases design-patterns desktop-application hostel-management-system java java-mysql multithreading mysql-database netbeans registration student-project threads user-registration

Last synced: 02 Apr 2026

https://github.com/zowe/sample-spring-boot-api-service

Zowe REST API service SDK and sample API service that integrates with Zowe API Mediation Layer

java mainframe rest-api sample zos zowe

Last synced: 27 Oct 2025

https://github.com/supanadit/restsuite

Rest API Testing for Professional

api api-rest api-testing client developer-tools java java-swing java-swing-application java-swing-applications rest-api rest-api-test rest-api-tests swing swing-gui testing testing-tools tools

Last synced: 12 Jul 2025

https://github.com/xxdark/reflectionhooks

Java reflection hooking library

hooks invoke-api java reflection

Last synced: 19 Apr 2025

https://github.com/tananaev/calculator-notification

Calculator notification Android app

android java

Last synced: 06 May 2025

https://github.com/tribler/trustchain-simulator

This repository contains Trustchain (Blockchain) simulations built with OMNeT++

blockchain graphs java matlab omnetpp

Last synced: 21 Jul 2025

https://github.com/ianshulx/dsa-programs

Note: This repository is not part of Hacktoberfest, but contributions are still welcome if you'd like to contribute!

beginner-friendly c clanguage contributions-welcome cplusplus cpp datastructures dsa dsa-algorithm good-first-project hacktoberfest hacktoberfest2022 java javaalgorithm open-source

Last synced: 04 Apr 2025

https://github.com/spring-cloud/spring-cloud-static

Static resources for the Spring Cloud website

cloud-native documentation java microservices spring spring-boot spring-cloud

Last synced: 23 Jun 2025

https://github.com/azure/java-aks-aca-dapr-workshop

A Java DAPR workshop showcasing how DAPR's component model can accelerate developers ability to develop and ship distributed applications in Azure Kubernetes Service and Azure Container Apps.

aca aks azure azure-container-apps azure-kubernetes-service dapr java keda

Last synced: 21 Jun 2025

https://github.com/arteam/jdit

JDBI Integration Testing

db java jdbi unit-testing

Last synced: 25 Jun 2025

https://github.com/drop-project-edu/drop-project

A web application where students drop their projects to check for correctness and quality.

auto-grading automated-assessment java kotlin spring-boot teacher-tests

Last synced: 17 Jan 2026

https://github.com/skbkontur/extern-java-sdk

SDK для работы с API Контур.Экстерна для платформы JVM

api extern java kontur sdk

Last synced: 08 Oct 2025

https://github.com/oblac/jodd-http

Simple Java HTTP client.

http-client java jodd

Last synced: 15 Mar 2026

https://github.com/bdelacretaz/osgi-for-mere-mortals

Sample code for my "OSGi for mere mortals" presentation at ApacheCon NA 2011

apachecon java osgi tutorial

Last synced: 08 Oct 2025

https://github.com/wasabithumb/xclaim

A better chunk claiming system for Paper servers

claim java minecraft minecraft-plugin paper spigot

Last synced: 08 Oct 2025

https://github.com/microsoftgraph/msgraph-beta-sdk-java

Microsoft Graph Beta Java SDK

devxeng java microsoft-graph sdk

Last synced: 27 Jul 2025

https://github.com/kbuntrock/openapi-maven-plugin

Generate openapi documentation for SpringMVC or JaxRS/JakartaRS projects.

compilation jakartars java java11 java17 java8 jax-rs jaxrs maven-plugin openapi spring-mvc

Last synced: 27 Jul 2025

https://github.com/sivaprasadreddy/devzone

A sample SpringBoot application

docker docker-compose elk-stack gatling gradle grafana java kibana kubernetes loki monitoring playwright-java prometheus sonarqube spring-boot spring-security testcontainers thymeleaf

Last synced: 17 Mar 2025

https://github.com/robinohs/totp-kt

A kotlin implementation of HOTP (RFC-4226) and TOTP (RFC-6238). Supports validation and generation of 2-factor authentication codes, recovery codes and randomly secure secrets.

2fa 2factor hotp java kotlin mfa one-time-password otp otp-verification rfc-4226 rfc-6238 totp totp-generator

Last synced: 14 Apr 2025

https://github.com/cassiomolin/chat-websockets

Example of chat application with WebSockets (JSR 356 and HTML5 WebSockets API) running on Undertow with token-based authentication.

cdi jackson java javascript jsr356 undertow websockets weld

Last synced: 01 Sep 2025

https://github.com/virgilsecurity/virgil-sdk-java-android

Virgil Core SDK allows developers to get up and running with Virgil Cards Service API quickly and add end-to-end security to their new or existing digital solutions to become HIPAA and GDPR compliant and more.

android cryptography encryption end-to-end-encryption gdpr hipaa java maven pki sdk

Last synced: 08 Aug 2025

https://github.com/edrdo/dbdia

Diagram generator for Entity-Relationship models and relational schemas.

antlr colab database diagram er graphviz java python schema

Last synced: 16 Jan 2026

https://github.com/invvk/worldguardextraflags

WorldGuard Extra Flags reborn.

bukkit bukkit-plugin craftbukkit essentialsx gradle java java16 minecraft paper plugin spigot spigot-plugin spigotmc worldedit worldguard

Last synced: 01 Oct 2025

https://github.com/waikato/weka

Pointer to the official Weka repository.

java machine-learning weka

Last synced: 02 Aug 2025

https://github.com/tigersoldier/lsp-javacomp

Emacs Language Server client backed by JavaComp

emacs java language-server-protocol

Last synced: 21 Apr 2025

https://github.com/aleksk1ng/kotlin-spring-postgres-redis-microservice

Kotlin Spring-WebFlux R2DBC Redisson K8S Microservice

coroutines docker docker-compose grafana helm java k8s kotlin kubernetes postgresql prometheus r2dbc r2dbc-postgresql redis redisson sleuth-zipkin spring spring-boot spring-webflux zipkin

Last synced: 23 Mar 2025

https://github.com/apache/maven-gpg-plugin

Apache Maven GPG Plugin

build-management java maven maven-gpg-plugin maven-plugins

Last synced: 16 May 2025

https://github.com/discoduroderoer/biblioteca-ddr-java

Funciones java con utilidades para distintos proyectos

apoyo biblioteca discoduroderoer funciones java library utilidades utilities utility-library

Last synced: 15 Apr 2025

https://github.com/flipt-io/flipt-client-sdks

Flipt Client-Side Evaluation SDKs

dart ffi golang hacktoberfest java nodejs python reactjs ruby rust sdk wasm wasm-bindgen

Last synced: 02 Apr 2026

https://github.com/vidtu/ksyxis

Ksyxis: Speed up your world loading by removing spawn chunks.

fabric fabricmc forge java minecraft minecraft-mod mod neoforge neoforged optimization performance quilt quiltmc

Last synced: 19 Apr 2026

https://github.com/xdevplatform/labs-sample-code

Sample code for Twitter Developer Labs

java javascript python r ruby twitter twitter-api twitter-developer-labs

Last synced: 05 Apr 2025

https://github.com/philippheuer/events4j

Java Event Dispatcher / Consumer

events hacktoberfest java reactor

Last synced: 09 Jul 2025

https://github.com/chmarax/logregform-android

android android-application android-ui design firebase firebase-auth graphics java

Last synced: 11 Jul 2025

https://github.com/cunyu1943/code-library

🗃 编程资源库：视频、教程、项目……

android go interview java linux python spring spring-boot

Last synced: 29 Oct 2025

https://github.com/bitkylin/featurelab

开发过程组件及特性验证演示程序集锦，包括「从零开始自实现MQ」、「基于 dubbo + hmily 的多应用交易系统」「搭建基于 docker 的 Kafka 集群及Spring Boot应用访问」，以及学习笔记及总结。

docker dubbo hmily java kafka tcc zookeeper

Last synced: 10 Apr 2025

https://github.com/graphaware/neo4j-importer

Java importer skeleton for complicated, business-logic-heavy high-performance Neo4j imports directly from SQL databases, CSV files, etc.

java neo4j neo4j-graphaware-framework

Last synced: 11 Jul 2025

https://github.com/pajaydev/travelwebapplication-virtugo

This project is to develop a travel planner system, which describes about the climatic conditions, interesting places to visit, top hotels in the area and some additional features like travel reminders depending on the user’s destination. We have used Angular JS, HTML 5 for front end and Spring boot, MySQL for backend.

angularjs climatic-conditions java mysql spring-boot travel-planner

Last synced: 08 Jul 2025

https://github.com/chanmratekoko/mmcalendar

Myanmar Calendar & Algorithm

algorithm android astrological-information-converter burmese burmese-astrology calendar converter gregorian jar java julian kotlin myanmar myanmar-astrology myanmar-calendar

Last synced: 14 Jan 2026

https://github.com/weilueluo/tsm4j

A tiny, in-memory, zero dependency state machine library

java state-machine

Last synced: 26 Sep 2025

https://github.com/t1/logging-interceptor

CDI interceptor for logging to slf4j

cdi cdi-interceptor interceptor java logging logging-interceptors logginginterceptor mdc slf4j

Last synced: 12 May 2025

https://github.com/jxnet/jxnet

Jxnet is a Java library for capturing and sending custom network packet buffers with no copies. Jxnet wraps a native packet capture library (libpcap/winpcap/npcap) via JNI (Java Native Interface).

capture-packets java jni libpcap network-security network-security-monitoring npcap packet-analyzer packet-capture packet-crafting packet-sniffer pcap-library security security-audit security-scanner sending-packets winpcap

Last synced: 09 Jul 2025

https://github.com/fjossinet/rnartistcore

A Kotlin DSL to create and plot RNA 2D structures. The drawing engine behind RNArtist to be used from the command line.

bioinformatics drawing-algorithm dsl java kotlin plot-rna rna rna-molecule rna-secondary-structure rna-structure visualization

Last synced: 08 Apr 2025

https://github.com/apache/tsfile-viewer

Apache TsFile Viewer

java timeseries tsfile

Last synced: 07 May 2026

https://github.com/Simsilica/SiO2

Base pack of useful reusable game code that can help bootstrap any JME game project.

java jme3 jmonkeyengine jmonkeyengine3

Last synced: 19 Mar 2026

https://github.com/aleksk1ng/kotlin-spring-grpc-microservice

Kotlin Spring gRPC Microservice

clean-architecture ddd docker grafana grpc helm java kotlin kotlin-coroutines kubernetes microservices postgresql prometheus r2dbc sleuth spring spring-boot webflux zipkin

Last synced: 26 Oct 2025

https://github.com/eternalcodeteam/eternalcombat

⚔ Something more than just combat logging for Minecraft!

bukkit combat combatlogging hacktoberfest intellij java log minecraft paper paper-plugin plugin spigot spigot-plugin

Last synced: 23 Jan 2026

https://github.com/namek/artemis-odb-entity-tracker

:game_die: Visual Entity Tracker for ECS library: artemis-odb

artemis-odb ecs entity-component-system gamedev java kotlin

Last synced: 16 Mar 2026

https://github.com/ion-fusion/fusion-java

Ion Fusion is a customizable programming language for working with JSON and Amazon Ion data.

amazon-ion data-processing java json programming-language racket scheme

Last synced: 15 Apr 2026

https://github.com/amarlearning/ride-sharing-low-level-design

Low-level design of Ride-sharing Application Implementation.

class-diagram design design-patterns design-system dry java kiss lld low-level low-level-design object-oriented-programming oop solid-principles yagni

Last synced: 11 Apr 2025

https://github.com/GrapeBaBa/sui4j

Sui4j is a robust, reactive, type safe Java library for working with Smart Contracts on the @MystenLabs/sui network.

bcs blockchain java jvm move sdk sui

Last synced: 04 Apr 2025

https://github.com/karthikriyer/photoeditor

Simple Photo Editing App

android java photo-editing

Last synced: 11 Apr 2025

https://github.com/famrofexl/circumnavigate

Finite, Tiled, Seamless World Wrapping Mod for Minecraft.

fabricmc-mod java massive-modification-mod minecraft minecraft-mod toroid

Last synced: 12 Apr 2025

https://github.com/biboudis/streamalg

Extensible stream pipelines with object algebras.

benchmark dsl extensible-pipelines iteration java pipeline streams tagless

Last synced: 17 Jun 2025

https://github.com/dgroup/arch4u-pmd

Linting rules for Java frameworks like Spring, Quarkus, Jackson, SLF4J, etc., to avoid known problems in REST API, logging, observability, performance, and general best practices.

jackson-json java logging monitoring open-api pmd pmd-ruleset quark quarkus rest-api slf4j spring spring-boot

Last synced: 12 Apr 2025

https://github.com/okaeripoland/okaeri-platform

Whole ecosystems built on top of the best okaeri packages

bukkit bungeecord cli java javalin minecraft paper spigot web

Last synced: 11 Apr 2025

https://github.com/sashenjayathilaka/library_management_system

Library Management System

java mysql

Last synced: 05 May 2025

https://github.com/jiayaoguang/gameserver

Game Server Framework ,and not only game; 游戏服务器框架,又不止是游戏。支持网页http请求, 支持长连接发送 protobuf、json、自定义的数据类型,数据压缩加密、依赖注入、mysql对象关系映射及异步存储等功能。

game game-development game-server gameserver http http-server java netty protobuf

Last synced: 11 Apr 2025

https://github.com/bertrandmartel/pcapng-decoder

Java PCAPNG decoder library

java pcapng pcapng-decoder

Last synced: 07 May 2025

https://github.com/aman9026/firstyear

This repository contains the work I've done in my first year along with some study materials which I had collected.

advanced-data-structures basic-electronics bigdata c chemistry cpp data-structures dbms design-thinking devops engineering-mathematics functional-programming-examples it-applications it-infrastructure java python source-code-management sql study-materials upes

Last synced: 15 Aug 2025

https://github.com/oracle/olcut

A Java configuration, shell, and general utility toolkit

command-line-arguments command-shell configuration dependency-injection-framework java options-parsing provenance

Last synced: 09 Apr 2025

https://github.com/spotify/spotify-checkstyle-config

The Spotify checkstyle configuration

checkstyle java

Last synced: 14 Jan 2026

https://github.com/jveverka/java-17-examples

JDK 17 examples and demo projects

java java-12 java-13 java-14 java-15 java-16 java-17

Last synced: 23 Apr 2025

https://github.com/kakarottocui/springbootvueyanglaozhiyuanzhe

基于java SpringBoot和Vue养老服务管理志愿者管理系统设计

java mysql springboot vue

Last synced: 28 Jul 2025

https://github.com/apache/myfaces-tobago

Apache MyFaces Tobago

java javaee jsf myfaces web-framework

Last synced: 04 Jul 2025

https://github.com/adridadou/eth-propeller-core

Core library for Ethereum propeller

ethereum framework java

Last synced: 16 Jul 2025

https://github.com/rohitawate/ballad

A simple, beautiful text editor made using JavaFX.

ballad beautiful flat-design java javafx material-design text-editor themes

Last synced: 10 Apr 2025

https://github.com/aws/aws-durable-execution-sdk-java

Java SDK for AWS Lambda Durable Functions

aws durable-execution java lambda serverless

Last synced: 07 Apr 2026

https://github.com/mogilefs-moji/moji

A file-like MogileFS client for Java

java java-mogilefs mogile mogilefs moji storage

Last synced: 11 Jan 2026

https://github.com/danhpaiva/una-gqs-refatoracao-ex-02-202301

🧑‍🏫 ~ Exercício para fixacao do conteúdo de Refatoração e Git

algorithms java refactoring

Last synced: 08 May 2025

https://github.com/vbauer/jconditions

Extra conditional annotations for JUnit 4

conditional-annotations custom-annotation java junit junit-runner junit4 testing unit-testing

Last synced: 24 Jun 2025

https://github.com/alibaba/spring-velocity-support

An support project of legacy velocity based on Spring Framework

java spring spring-framework template-engine velocity

Last synced: 28 Oct 2025

https://github.com/aleksk1ng/java-quarkus-reactive-cqrs-eventsourcing

Java-Quarkus-Reactive-CQRS-EventSourcing

cqrs cqrs-es docker event-sourcing event-sourcing-and-cqrs eventsourcing flyway grafana hibernate jaeger java kafka micrometer microservices mongodb opentracing postgresql prometheus swagger vertx

Last synced: 30 Oct 2025

https://github.com/kumailn/androidscientificcalculator

➕An elegant feature-packed scientific calculator app for Android. Published on the Google Play Store.

android app calculator gradle java kitkat lollipop marshmallow nougat playstore

Last synced: 19 Jul 2025

https://github.com/frknkrc44/superboard

A mirror of https://gitlab.com/frknkrc44/superboard. Please do everything on my GitLab repository.

android android-keyboard hacktoberfest java keyboard

Last synced: 14 Apr 2025

https://github.com/JinsoRaj/TelegramBots

This repository is for HacktoberFest 2024. Contribute Telegram bot source codes.

beginner-friendly golang grammyjs hacktoberfest hacktoberfest-2024 hacktoberfest-accepted hacktoberfest2024 java kotlin node-telegram-bot-api nodejs php pyrogram python ruby rust telegraf telegram-bot telegram-bots telethon

Last synced: 22 Jul 2025

https://github.com/crysknife-io/crysknife

Dependency Injection and html templates framework for J2CL. Relaxed implementation of Jakarta CDI

cdi closure-compiler closure-library htmltemplate j2cl jakarta java javascript maven

Last synced: 14 Jul 2025

https://github.com/md-shamim-ahmad/leetcode-problem-solution

Hi ! Here you find the solution code of Leetcode Judge problem using c++ or java language. You also find contest time solution code here. Happy Coding

algorithm cplusplus cpp data-structures hacktoberfest hacktoberfest-accepted hacktoberfest2024 hacktoberfest2024-accepted interview-practice interview-preparation interview-questions java javascript kotlin leetcode leetcode-questions leetcode-solutions python