An open API service indexing awesome lists of open source software.

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.

https://github.com/fahimahammed/problem-solving-in-java

Problem-solving in Java at Online judge.

java

Last synced: 09 Aug 2025

https://github.com/guru-1205/java-dsa-oops-prephub

Java-DSA-OOPS-PrepHub is your ultimate resource for mastering Java, Data Structures, Algorithms, and Object-Oriented Programming, specifically tailored for interview and placement preparation. Dive into curated books, cheat sheets, interview questions, and detailed handwritten notes to boost your coding skills!

cheatsheet dsa handwritten-notes interview-questions java java-book java-dsa-book oops-in-java placement-prep

Last synced: 25 Mar 2025

https://github.com/scordio/spring-batch-notion

Spring Batch extension for Notion

batch hacktoberfest java notion spring

Last synced: 22 Mar 2025

https://github.com/lthcthemaster/lthc-lang

LTHC Lang is a simply programming langage created with java

custom-language java lthc-lang lthc-the-master

Last synced: 26 Jun 2025

https://github.com/gouri-panda/xplayer

This is a simple Media player application where the user sees his/her videos, images, and audio.

android coroutines-android hacktoberfest hactoberfest2019 hactoberfest2020 java kotlin kotlin-android media-player mediaservices room-persistence-library viewmodel

Last synced: 13 May 2025

https://github.com/matthijskamstra/haxesys

Documentation about using the system targets from Haxe

cpp cs csharp documentation example haxe java jvm lua node nodejs python tutorial tutorials

Last synced: 14 Apr 2025

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

Probably the most basic and simplest DI possible

dependency-injection java

Last synced: 07 Mar 2026

https://github.com/pprattis/speedometer-with-gps-app

A Java Android application that simulates the functionality of a speedometer using GPS by measuring distance and time elapsed to find the speed and saves violations of max speed in SQLite.

android android-application android-studio application computer-science gps gps-location java program speedometer speedometer-android sqlite sqlite-android sqlite-database student

Last synced: 23 Jul 2025

https://github.com/mxdldev/java-data-algorithm

数据是基础,算法是灵魂

algorithm android datastructures java

Last synced: 15 Jul 2025

https://github.com/kane50613/osu4j

The osu API wrapper written in Java

api java osu osu-api osu-framework osu-libraries

Last synced: 07 May 2025

https://github.com/klaushauschild1984/citiesrl

SimCity like simulation as roguelike.

city java roguelike simcity simulation

Last synced: 05 Jul 2026

https://github.com/allure-examples/junit5-java-maven

Example of Allure Report usage with JUnit 5 (Jupiter), Java and Maven

allure allure-report example java junit junit5 jupiter maven

Last synced: 24 Feb 2026

https://github.com/nuriofernandez/reflectedeventhandler

Java Reflection Event System that allows you to create an event-driven architecture in an easy and beautiful way.

architecture event-driven event-handler event-listener java java-reflection-event library

Last synced: 06 Apr 2025

https://github.com/kroxylicious/kroxylicious-junit5-extension

JUnit5 extension and helpers for writing tests parameterised over Kafka clusters

apache-kafka java junit5

Last synced: 18 Feb 2026

https://github.com/yang-central/yangkit

Yangkit is a toolkit for YANG(RFC7950) data model language including YANG parser,YANG data and other tools.

java parser yang

Last synced: 12 Jan 2026

https://github.com/mitaketw/sms-java

Mitake SMS library for Java (Unofficial)

java mitake sms

Last synced: 16 Jan 2026

https://github.com/liumapp/hello-travis-ci

Travis CI 教程,主要介绍如何使用Travis CI的检验代码功能和Code Review功能. A tutorial of Travis CI mainly introduces how to use Travis CI's checking code function and Code Review function.

code-review gradle java travic-ci

Last synced: 07 Jul 2025

https://github.com/qinxuewu/wechat-parent

基于Spring Cloud微服务化开发平台,核心技术采用Spring Boot2以及Spring Cloud 相关核心组件,前端采用Vue的微信公众号管理系统。 主要是用于学习使用

java springboot2 springclond wechat

Last synced: 29 Apr 2025

https://github.com/saddamarbaa/data-structures-and-algorithms

==> I made this repository to post my code and document my progress while Learning data structures and algorithms concepts in this repository, I covered the complete data structures and algorithms

array binary-tree c graph hash-tables java javascript leetcode python typescript

Last synced: 23 Apr 2025

https://github.com/brian-lau/matlabr

Call R from Matlab

java matlab r rserve

Last synced: 11 Mar 2026

https://github.com/cctyl/BiliRecommBehaviorCorrection

基于黑白名单规则实现的bilibili个性化推荐的纠正

bilibili bilibili-api java springboot vue

Last synced: 16 Mar 2025

https://github.com/apache/pekko-persistence-dynamodb

DynamoDBJournal for Apache Pekko Persistence

dynamodb java journal pekko pekko-persistence scala

Last synced: 13 Jun 2025

https://github.com/mitchtalmadge/old-portfolio

(Outdated) My personal portfolio website, built with Angular and hosted on GitHub Pages.

angular java javascript portfolio typescript webapp webpack

Last synced: 09 Apr 2025

https://github.com/pratikpc/smartmonitor

Smart Monitor:- A Digital Signage Solution

digital-signage express iot java javafx mqtt nodejs

Last synced: 19 Aug 2025

https://github.com/rwbl/b4j-howtos

Howtos and sample projects for B4J (RAD development tool for cross platform desktop, server and IoT solutions).

b4j b4x howtos java

Last synced: 05 Sep 2025

https://github.com/liaochong/spring-boot-convention

spring boot 代码规约,从代码层面上统一规范!

hibernate-validator java springboot2

Last synced: 05 Jul 2025

https://github.com/riccardobl/JCubemapAssembler

JCubemapAssembler is a java application that can be used to assemble six separate face images into a single cubemap and export it as a dds file.

cubemap dds java

Last synced: 19 Mar 2026

https://github.com/redking00/csv2pdf

🔥A command line tool to generate PDF and text files from csv data and Freemarker templates.🔥

cli command-line-tool csv easy-to-use flyingsaucer freemarker ftl java pdf pdf-generation templated-content text-generation

Last synced: 24 Apr 2025

https://github.com/apache/directory-fortress-commander

Mirror of Apache Directory Fortress Commander

directory java network-client network-server

Last synced: 06 Sep 2025

https://github.com/yupiik/maven-shade-transformers

Extensions to use with Apache Maven Shade.

java maven shade

Last synced: 13 Apr 2025

https://github.com/tobiasmiosczka/nami-antragshelfer

Programm zum Ausfüllen von Förderungsanträgen und Generieren von Notfall-Telefonlisten für Pfadfinderstämme der DPSG

dpsg http-client java json openoffice

Last synced: 31 Mar 2025

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

🔴 VRChat API Library for Java

api java vrchat vrchatapi

Last synced: 13 Apr 2025

https://github.com/lambdaurora/illuminated

Illuminate your world with a flashlight!

fabricmc flashlight java minecraft minecraft-mod

Last synced: 13 Apr 2025

https://github.com/sandun-induranga/spring-boot-crud

Spring Boot MySQL CRUD Operations

hibernate java mysql spring-boot

Last synced: 25 Jun 2025

https://github.com/bansikah22/user-fullstack

A simple full stack application with react and spring boot, performing CRUD functionality

java react springboot

Last synced: 21 Jul 2025

https://github.com/gui-yom/jcargo

Trying to remake Rust's excellent build tool for the JVM ecosystem.

build build-tool java jvm kotlin

Last synced: 11 Jul 2025

https://github.com/marwa-eltayeb/englishquiz

It is a quiz app for English language.

android answers english english-quiz java quiz quizapp

Last synced: 11 Jul 2025

https://github.com/pprattis/speedometer-with-GPS-app

A Java Android application that simulates the functionality of a speedometer using GPS by measuring distance and time elapsed to find the speed and saves violations of max speed in SQLite.

android android-application android-studio application computer-science gps gps-location java program speedometer speedometer-android sqlite sqlite-android sqlite-database student

Last synced: 11 May 2025

https://github.com/myoss-cloud/myoss-starter-projects

myoss open source project, starter projects written in Java

java spring-boot startup

Last synced: 13 Apr 2025

https://github.com/4kills/particleeffects

A small, efficient Minecraft particle effect library for creating astounding, server-sided visual effects for your Minecraft plugin!

java minecraft minecraft-library minecraft-plugin-development particle particle-effects particles

Last synced: 08 May 2025

https://github.com/salesforce/bazel-jdt-java-toolchain

Eclipse Java Compiler (ECJ) for Bazel

bazel compile ecj eclipse java

Last synced: 15 Apr 2025

https://github.com/gazbert/bxbot-ui-server

A simple proxy server for routing commands from BX-bot UI to BX-bots running in the cloud

bxbot java jwt proxy rest-api rest-client spring-boot

Last synced: 12 Apr 2025

https://github.com/thedeathlycow/more-geodes

A Minecraft Fabric mod to add more geodes to your world

fabricmc java minecraft minecraft-mod

Last synced: 05 Mar 2026

https://github.com/codestates-seb/seb40_main_012

🍒 CherryPick - 책과 문화콘텐츠 정보 공유 커뮤니티 서비스

java javascript react spring-boot

Last synced: 05 Mar 2026

https://github.com/shiroonigami23-ui/pendant-maker

3D-pendant-designer-web-android-java-native

android java jewelry-design pendant-maker threejs webview

Last synced: 29 Apr 2026

https://github.com/hoangtien2k3/design-pattern

◉ Design Patterns includes 3 main groups: 1. Creational pattern, 2. Behavioral pattern, 3. Structural pattern.

java java-design-patterns kotlin kotlin-design-patterns patterns-java

Last synced: 21 Apr 2025

https://github.com/liftwizard/liftwizard

A collection of utilities for Dropwizard

dropwizard java reladomo

Last synced: 05 Jan 2026

https://github.com/ahmednasserg/the-conqueror

A single player turn-based empire building game.

game java mvc oop

Last synced: 16 May 2025

https://github.com/yukihane/hello-java

learning Java language

java

Last synced: 22 Jul 2025

https://github.com/snowiiii/mojangapi

Simple & User Friendly Java Mojang API

java mojang mojang-api

Last synced: 14 Oct 2025

https://github.com/navdeepm20/chitchat_gui

A One to One Chat Gui Application Designed in Java.

chat-application java java-chat-app java-chat-application java-project java-sockets

Last synced: 12 Apr 2025

https://github.com/moosetechnology/verveinej

VerveineJ is a tool written in Java that creates a mse file from Java source code.

java model moose mse

Last synced: 16 Jan 2026

https://github.com/devtony101/springacademic

This is a sample project, made for academic and demonstrational purposes only.

hibernate java java-8 javaweb spring spring-boot spring-data-jpa spring-hibernate spring-mvc spring-security

Last synced: 30 Apr 2025

https://github.com/jrs296/java-dsa-prep

Repository for DSA prep (Java)

dsa dsa-algorithm interview-preparation java oops-in-java

Last synced: 23 Apr 2025

https://github.com/polyhedraldev/substrate

High-performance Java scripting API & language - purely functional DSL for data-driven applications

dsl functional-programming hacktoberfest java language objectweb-asm

Last synced: 05 Apr 2025

https://github.com/khmarbaise/echo-maven-plugin

Maven Echo Plugin

java maven maven-plugin

Last synced: 14 Apr 2025

https://github.com/arivan-amin/spring-microservices

Modern Microservices Back-End application using Java and Spring Boot, serves as a template to demonstrate the implementation of microservices using modern and best practices in development.

api api-gateway eureka grafana java junit kafka keycloak liquibase loki lombok microservices mockito mysql pitest pmd prometheus spring-cloud swagger-ui tempo

Last synced: 07 May 2025

https://github.com/sondosaabed/nice-numbers

This a java assignment to detect nice numbers

java nice-numbers

Last synced: 29 Oct 2025

https://github.com/proyectoscopersonales/movie-reservation-system-solutions

Este es un proyecto propuesto por Roadmap.sh para el backend

css3 html java javascript postresql spring spring-boot spring-security

Last synced: 25 Jun 2025

https://github.com/deniswsrosa/couchbase-spring-data-sample

An example of how to setup and APp using Couchbase, Spring-Boot and Spring-Data

couchbase java spring-boot spring-data

Last synced: 05 May 2025

https://github.com/juliomarcopineda/jdbc-stream

Light-weight library to wrap JDBC ResultSet to Java Stream API

java java-stream-api java-streams java8 java8-stream jdbc lambda sql

Last synced: 10 Apr 2025

https://github.com/anishlearnstocode/java-wac-batch-32

Introduction to Programming 👨‍💻 in Java with Data structures + Algorithms taught at @WhatAfterCollege 🎓.

algorithms batch course data-structures java online-course what-after-college

Last synced: 10 Apr 2025

https://github.com/yegor256/antlr2ebnf-maven-plugin

Converts ANTLR grammar .g4 files into EBNF for naive-ebnf LaTeX package; also converts to PDF later on

antlr4 ebnf ebnf-language java maven-plugin

Last synced: 27 Mar 2025

https://github.com/barrettotte/ibmi-springboot-api

A Spring Boot API to easily expose IBMi information. Currently has endpoints to return lists for libraries, files, and members.

db2 ibmi ibmi-java java spring-boot

Last synced: 11 Apr 2025

https://github.com/davsclaus/fabric8-hello

Two microservices using Spring Boot and WildFly Swarm with Camel running in kubernetes using fabric8 tooling

fabric8 java kubernetes

Last synced: 06 Mar 2026

https://github.com/rmn20/quantum

J2ME 3D Game engine based on Iceberg3D

game-engine game-engine-3d homebrew j2me java retro softrenderer

Last synced: 09 Sep 2025

https://github.com/gregswindle/maven-code-quality-pom

Enforce and report code quality with JUnit, JaCoCo, Hamcrest, FindBugs, PMD, CodeNarc, Checkstyle (Google), Enforcer, Duplicate-Finder, JDepend, and more with this Maven POM.

code-coverage code-quality coding-standards coding-style java license-checking license-management maven maven-pom reporting reports test-automation

Last synced: 11 Apr 2025

https://github.com/skapphq/skapp-be

The Skapp community backend repository

java rest-api spring-boot

Last synced: 10 Apr 2025