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Projects in Awesome Lists tagged with java21

A curated list of projects in awesome lists tagged with java21 .

https://github.com/ccmjga/mjga-scaffold

🥇 A brand-new Java scaffold; a fresh blueprint for the Java ecosystem; a modern philosophy of Java programming.

gradle java java-docker java-scaffold java17 java21 jooq pmd spotless spring-boot spring-cache spring-security testcontainer

Last synced: 04 Apr 2025

https://github.com/waylau/modern-java-demos

Modern Java: From Java 8 to Java 22. 现代Java案例大全/《Java核心编程》源码

java java10 java11 java12 java13 java14 java15 java16 java17 java18 java21 java22 java8 java9

Last synced: 05 Apr 2025

https://github.com/beehive-lab/gpullama3.java

GPU-accelerated Llama3.java inference in pure Java using TornadoVM.

accelerators compilers gguf gpu java java21 llama3 llm mistral nvidia tornadovm

Last synced: 24 Jun 2025

https://github.com/auties00/modernprotobuf

A modern implementation of protoc to serialize, deserialize and generate java sources from protobuf schemas

java java21 protobuf protobuf-java protoc

Last synced: 05 Jul 2025

https://github.com/gdut-yy/leetcode-hub-java

基于 java21 + maven3.9 + junit5 + jacoco 的 leetcode + codeforces + atcoder + nowcoder 练习仓库。

algorithm algorithms atcoder codeforces jacoco java java17 java21 junit5 leetcode luogu nowcoder oj oj-solutions unit-test

Last synced: 16 Mar 2025

https://github.com/loiane/java21-examples

Examples of how to use Java 21 new features.

java java-21 java21

Last synced: 23 Mar 2025

https://github.com/agitrubard/auth-side-services

Project of secure user authorization/authentication flows with modern and latest tech using Java 21, Spring 3 and Customized Spring Security 6 with JWT.

auth auth-side authentication authorization back-end docker hexagonal-architecture integration-test java21 jwt jwt-authentication liquibase maven service spring-boot spring-security system-test testcontainers unit-test user-role-permission

Last synced: 18 Mar 2025

https://github.com/warlord27/javaprob

JavaProb is a comprehensive repository dedicated to solving a wide range of tricky and concept-rich Java problems. Whether you're preparing for technical interviews, enhancing your problem-solving skills, or just looking to dive deeper into Java’s core and advanced topics, this repository is designed with you in mind.

dsa dsa-algorithm dsa-practice java java19 java21 java8 problem-solving-algorithms question-answering

Last synced: 13 Aug 2025

https://github.com/rapter1990/carservice

Case Study - Car Service (Java 21, Spring Boot, Spring Security, JWT, MySql, JUnit, Jacoco, Prometheus,Grafana, AlertManager, Docker, Kubernetes, Github Action (CI/CD), Sonarqube)

alertmanager github-actions grafana integration-testing jacoco java java21 junit jwt kubernetes mysql prometheus sonarqube spring-boot spring-security swagger

Last synced: 05 Sep 2025

https://github.com/hantsy/cargotracker-regapp-javafx

Cargotracker RegisterApp Client written in JavaFX/CDI

cdi jakartaee java21 javafx jaxrs weld-se

Last synced: 12 Jul 2025

https://github.com/jufegare000/clea-architecture-utils

A concius implementation of how a java 21 clean architecture implementation should look like

clean-architecture java21 springboot

Last synced: 25 Oct 2025

https://github.com/symphonyql/symphonyql

SymphonyQL is a GraphQL implementation built with Apache Pekko

graphql graphql-server java21 pekko pekko-streams scala3

Last synced: 09 Jul 2025

https://github.com/amliyanage/student-management-using-java-ee

A Student Management System built with Java EE, offering secure user authentication, efficient handling of student records, course management, and grade tracking. The responsive interface ensures easy access across devices.

java21 tomcat tomcat-server

Last synced: 02 Aug 2025

https://github.com/ged-extensao-ads-4/ged-app

Projeto integrador com objetivo de desenvolver um app gerenciador de arquivos para APAE de Criciúma

docker java java21 jsonwebtoken jwt pgsql postgresql spring-boot spring-security springboot3 swagger

Last synced: 22 Aug 2025

https://github.com/mimaraslan/java21

Java 21 - Records, Pattern Matching for instanceof, Text Blocks (multiline strings), Switch Expression

jakarta jakarta-ee jakartaee java java21 jdk jdk21 jvm

Last synced: 15 Apr 2025

https://github.com/hantsy/jakartaee11-sandbox

A playgroud of adopting Jakarta EE 11 new features

glassfish8 jakartaee11 java21

Last synced: 15 Aug 2025

https://github.com/extrawest/movies-ai-search-demo

LangChain4j Neo4j Graph RAG - Movies Search Demo. An AI-powered movie database application built with Java 21, Spring Boot 3.3.3, and Neo4j. The app uses LangChain4j to enable natural language queries, providing personalized recommendations, interactive graph visualizations, and dynamic data exploration.

ai graph java21 langchain4j maven neo4j rag spring spring-boot togetherai vaadin-framework

Last synced: 17 Aug 2025

https://github.com/rapter1990/foreignexchangeexample

Case Study - Openpayd Foreign Exchange Example (Spring Boot, Java 21, Docker, Maven, JUnit Test, Integration Test, In-Memory Database (H2 Database), Github Actions, Spring Open Api, Mapstruct, Spring Cache, Resillience4j (Rate Limiter))

docker docker-compose dockerfile github-actions h2-database in-memory-database integration-test java21 junit mapstruct maven mockito monolith openapi rate-limiter resilience4j resttemplate spring-boot spring-cache

Last synced: 11 Apr 2025

https://github.com/rapter1990/ratelimiter

Spring Boot Rate Limiter with Redis (Spring Boot, Java 21, JUnit, Integration Test, Github Actions, Test Container, Docker, Redis)

cicd docker docker-compose github-actions integration-test java java21 junit lombok maven postman redis spring-boot testcontainer

Last synced: 16 May 2025

https://github.com/rapter1990/springbootmicroserviceswithsecurity

Spring Boot Microservices with JWT (Eureka Server, API Gateway, Auth Service, User Service and Product Service, JUnit and Integration Tests, Docker, Github Actions)

authentication authorization docker docker-compose dockerfile github-actions integration-tests java java21 junit jwt maven mysql postman spring-boot spring-cloud spring-security test-container

Last synced: 16 May 2025

https://github.com/saken78/java-sources

learn Java from basics to advanced with code examples and practical projects.

java java-8 java10 java11 java12 java13 java14 java15 java16 java17 java18 java19 java20 java21 java22 java23

Last synced: 19 Oct 2025

https://github.com/feltex/desafio-uol

Desafio de vaga de emprego Full stack para UOL Host feito usando Java e Spring Boot

bootstrap controller h2-database java java21 jpa sprinb spring-boot spring-mvc

Last synced: 18 Oct 2025

https://github.com/feltex/aluno-service

Este repositório contém um projeto de exemplo que demonstra como integrar o Spring Boot com o Test Containers para facilitar o desenvolvimento e teste de aplicações Java.

docker docker-compose java java17-spring-boot java21 spring spring-boot

Last synced: 10 Oct 2025

https://github.com/rapter1990/pdfcompare

Pdf Comparison (Java21, Spring Boot, JUnit, Jacoco, Prometheus,Grafana, AlertManager, Docker, Kubernetes, Github Action (CI/CD))

alertmanager cicd docker github-actions grafana jacoco java java21 junit kubernetes pdf prometh spring-boot

Last synced: 28 Feb 2025

https://github.com/manoelcampos/dtogen

A Java 21+ annotation-based, validation-aware DTO generation library following DRY and avoiding boilerplate code.

annotation annotation-processing annotation-processor dto dto-mapper dtogen java21 jdk21

Last synced: 09 Jul 2025

https://github.com/arafkarsh/javaexamples

Java Language Feature Examples, Java 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, Java 5 & Java 1. Examples of SOLID Design Principles.

java10 java11 java12 java13 java14 java15 java16 java17 java18 java19 java20 java21 java22 java23 java5 java8 java9

Last synced: 04 Mar 2025

https://github.com/xdagger/xdagj-p2p

🚀 High-performance Java P2P networking library for XDAG blockchain - Java 21 + Netty + Kademlia DHT + EIP-1459 DNS discovery

blockchain dht dns-discovery eip-1459 high-performance java java21 kademlia netty networking p2p protocol-buffers xdag zero-copy

Last synced: 25 Oct 2025

https://github.com/feltex/login-demo

Este repositório contém um projeto Spring Boot com Spring Security que implementa autenticação e autorização usando login via GitHub e Google. O objetivo deste projeto é fornecer um exemplo funcional de como integrar provedores de autenticação OAuth2 populares em uma aplicação Spring.

github google java java-21 java21 spring-boot spring-security springboot

Last synced: 20 Mar 2025

https://github.com/rapter1990/rolepermissionexample

Spring Boot with Spring Security (Role Permission) (Spring Boot, Java 21, Spring Security, Docker, Maven, JUnit Test, Integration Test, Test Container, MySql, Github Actions, Spring Open Api)

authentication authorization docker docker-compose dockerfile github-actions intergration-test java java21 junit jwt lombok maven mockito monolith mysql spring-boot spring-security test-container token

Last synced: 16 May 2025

https://github.com/extrawest/ai-video-chat-app

The AI Video Insights Assistant is a backend service that uses advanced AI orchestration to analyze YouTube video content and accurately answer user questions. Built on LangChain4j or Spring AI, it leverages embeddings and similarity search for precise responses and includes fallback options for comprehensive coverage.

ai java21 maven qdrant-vector-database spring-boot-3 tavily togetherai

Last synced: 03 Mar 2025

https://github.com/rainggor/animehaven

The AnimeHaven Backend is a microservice-based RESTful application built with Java 21 and Spring Boot 3.4, featuring OAuth2 for secure authentication. It enables efficient management of anime catalogs, user accounts, and interactive features like comments and ratings.

google java java21 oauth2 postgres postgresql spring spring-boot sql

Last synced: 29 Jun 2025

https://github.com/javiorfo/java-spring3-microservice-lib

Java library for custimized microservices: security, auditory, exceptions, pagination, swagger, tracing, etc

auditory java java-library java21 maven pagination spring-boot spring-security swagger tracing

Last synced: 23 Jul 2025

https://github.com/feltex/funcionario-graphql

Este repositório contém exemplos e tutoriais sobre como executar consultas GraphQL usando Java e Spring Boot. O objetivo é fornecer uma referência prática para desenvolvedores que desejam interagir com APIs GraphQL de maneira simples e direta a partir da linha de comando.

graphql-server grapql java java21 maven spring spring-boot

Last synced: 19 Jul 2025

https://github.com/rapter1990/todowithcouchbase

Case Study - To Do List Example (Java 21, Spring Boot, Couchbase, JUnit, Spring Security, JWT, Docker, Kubernetes, Prometheus, Grafana, Github Actions (CI/CD), SonarQube)

aop ci-cd couchbase docker docker-compose github-actions grafana integration-testing java java21 junit jwt kubernetes maven nosql openapi prometheus sonarqube spring-security

Last synced: 15 Mar 2025

https://github.com/prawy126/kolejka-fifo

Projekt na Programowanie obiektowe wykonany w języku JAVA

fifo-queue gui gui-application java java-gui java-gui-application java21 project

Last synced: 29 Mar 2025

https://github.com/soneybun/bigbrotherbuddyapp

Website and application made for a highschool English assignment. This project revolves around Rhetoric, and making a product related to the famous dystopian novel 1984 by George Orwell.

1984-pdf application book codehs english html html5 indie indiedev java java21 school school-assignment school-project website

Last synced: 29 Oct 2025

https://github.com/captainsly/eden

A Call of Cthulhu prop

call-of-cthulhu java21 javafx-application

Last synced: 01 Oct 2025

https://github.com/parksangji/api-portal

This is a project to build an API developer portal using Spring Boot.

gradle java21 jpa postgresql spring-boot spring-security thymeleaf

Last synced: 14 Jun 2025

https://github.com/feltex/spring-open-api

Projeto utilizando Spring Boot integrado com Open API

java java21 spring spring-ai spring-boot springboot

Last synced: 20 Mar 2025

https://github.com/anmol283/e-commerceministore

🛒 E-Commerce Mini Store | Spring Boot & Java backend ⚡ JWT Auth 🔐 | MySQL 💾 | REST APIs for Products, Cart & Orders 📦

ecommerce-website java21 jwt-token springboot springsecurity-jwt

Last synced: 09 Oct 2025

https://github.com/anishvkalbhor/url-shortner

This project is a Spring Boot-based URL shortener application. It provides RESTful APIs for creating, managing, and redirecting shortened URLs, with user authentication and MySQL database integration.

java21 maven postman reactjs spring springboot tailwindcss tanstack-react-query

Last synced: 07 Oct 2025

https://github.com/soneybun/suncalchealth

BMI & Height Estimation Calculator is a Java program that calculates Body Mass Index (BMI) and estimates height based on parental height. It supports both Metric and Imperial units and includes a built-in unit conversion link for convenience.

bmi-calculator indie indiedev intellij intellij-idea java java-21 java21 weight

Last synced: 09 Apr 2025

https://github.com/prpundge/githubexplorer

A RESTful API for exploring GitHub repositories.

github java java21 maven spring-boot spring-boot-3

Last synced: 12 Mar 2025

https://github.com/gustavo7k/cadastroclientes

API de cadastro de usuarios feita em Java usando SpringBoot, SpringData JPA e Spring Security

api-rest java java21 layered-architecture spring-data-jpa springboot springsecurity

Last synced: 28 Nov 2025

https://github.com/chrisgleissner/loom-webflux-benchmarks

Benchmarks of Spring Boot REST service comparing Java 21 Virtual Threads (Project Loom) with WebFlux.

benchmark http java java21 loom performance-testing projectloom rest springboot3 virtual virtualthreads web webflux

Last synced: 11 Mar 2025

https://github.com/deepcloudlabs/dcl210-2024-mar-18

DCL-210: Advanced Java Programming

java21 modularity-in-java reactive-programming

Last synced: 26 Feb 2025

https://github.com/puneethkumarck/crypto-api

Apis to interact with crypto blockchains Solana , Ethereum etc

blockchain ethereum grpc hexagonal-architecture java21 solana transactions web3j wiremock

Last synced: 15 Apr 2025

https://github.com/extrawest/ai-museum-app

Museo Insight is a virtual museum guide offering rich insights into artworks. Built with Java 21, Spring Boot 3.3.3, and LangChain4J, it integrates the MET Museum API for easy searches and image access. AI-driven descriptions reveal historical, cultural, and visual details, plus artist background and creation year for each piece.

java21 langchain4j maven metmuseum spring-boot

Last synced: 17 Nov 2025

https://github.com/flubel/fcore

Essential framework for Flubel’s ecosystem

java21 minecraft minecraft-plugin plugin

Last synced: 02 Sep 2025

https://github.com/carloshenriquefs/shirt-store

👕🏷️ - Project Shirt Store

docker java21 maven mongodb

Last synced: 01 Mar 2025

https://github.com/pauloruszel/api-gen-barcode

Api para gerar QR Codes, que retorna imagem png ou json com o QR Code.

docker-compose dockerfile java21 lombok webflux zxing-library

Last synced: 19 Jun 2025

https://github.com/pauloruszel/api-proc-arquivo

Api para para processar arquivos em no formato (XLSX) e salvar os status de processamento em um banco PostgresSQL

apache-poi java21 lombok postgresql spring-boot3

Last synced: 15 May 2025

https://github.com/bc100dev/firebos

Self-hosted Google Firebase. But wait… It's FOSS time!

authentication database firebase google-firebase hosting java java21 open-source rest-api self-managed storage

Last synced: 31 Aug 2025

https://github.com/younesrabeh/formula1

A basic Formula 1 racing game

formula1 java21 javafx-application

Last synced: 14 Mar 2025

https://github.com/selahattinsert/listigo-demo

A demo vehicle listing platform built with Spring Boot, JPA, Liquibase, and PostgreSQL, allowing users to create and manage listings.

java21 liquibase log4j postgresql react spring-boot

Last synced: 18 Jun 2025

https://github.com/extrawest/udemy-course-advisor-app

Multi-Agent an AI-driven app focused on personalized learning, where users upload their CV/Resume to receive tailored Udemy course recommendations to advance their developer role. After processing, users get a quick summary of their skill level, role, and key skills to guide their learning path.

ai java21 langchain4j maven multi-agent qdrant rag spring-state-machine togetherai

Last synced: 25 Aug 2025

https://github.com/xyz-jphil/xyz-jphil-win11_oneocr-api

Java FFM (Foreign Function & Memory API) wrapper for Windows 11 SnippingTool OCR engine.

java java-ffi java-ffm java21 java22 ocr oneocr opencv optical-character-recognition snipping-tool windows11

Last synced: 25 Aug 2025

https://github.com/hantsy/react-spring-mongo-kotlin

React, Spring Boot, Spring Data Mongo, Kotlin Coroutines Example

java21 kotlin-coroutines react spring-boot spring-data-mongodb-reactive

Last synced: 07 Apr 2025

https://github.com/puneethkumarck/trading-api

Implementation of trading limit order placement and querying order-book and trade-history

gradle hexagonal-architecture java21 mockito-junit-test rest-api spring-boot trading

Last synced: 23 Feb 2025

https://github.com/walber-vaz/patient-managent

Study on microservice with springboot grpc and apache kafka

grpc java21 kafka microservices springboot3

Last synced: 22 Mar 2025

https://github.com/webster-fr/pegasusframework

A brand new plugin builder framework for PaperMC 1.20.4

framework java21 minecraft papermc plugin

Last synced: 18 Jul 2025

https://github.com/singhalsonal/todos-java21-docker

Todos crud api with Java 21, Spring 3.4+, Gradle, Mongodb, Redis, and docker

docker docker-compose gradle java21 mongodb redis spring

Last synced: 17 Jul 2025

https://github.com/extrawest/ai-diagram-service

This Java Spring Boot service leverages TogetherAI's advanced models to convert image and text inputs into PlantUML diagrams

java21 maven spring-boot togetherai uml-diagram

Last synced: 28 Oct 2025

https://github.com/carloshenriquefs/picpay-simplificado

🪙💵 - Desafio Backend do PicPay

java21 jpa maven openfeign spring

Last synced: 14 Jul 2025

https://github.com/mshirazkamran/client-server-chatroom-cn

This is my Computer Networks project that uses classes from java.net and java.io package to implement chatroom the functionality.

ip java java21 java22 java23 javaio port socket-io socket-programming tcp tcp-client tcp-server tcp-socket

Last synced: 26 Jun 2025

https://github.com/streamlined2/factorialcalculator

Factorial calculator with fork/join framework

factorial-calculation forkjoinpool java21 jmh-benchmark junit5

Last synced: 13 Mar 2025

https://github.com/jakegodsall/fm-entertainment-web-app-backend

Backend to the Frontend Mentor challenge Entertainment Web App

flyway java21 mysql spring-boot3 spring-security

Last synced: 10 Jul 2025

https://github.com/retrodaredevil/docker-lavender-jre

A docker container supporting the latest Java versions for arm/v7 and other architectures.

amd64 arm arm64 armv7 armv8 baseimage-docker debian docker java java17 java21 jre ubuntu

Last synced: 05 Apr 2025

https://github.com/rajat-03/employee-crud-backend

This project is a Java Spring Boot application developed to demonstrate Employee Management System. The application was containerized using Docker and deployed on Render for production.

backend-api docker java21 render springboot

Last synced: 04 Apr 2025

https://github.com/knands42/dataengineering-1billion-rows-per-hour

A project that simulate how to build a complete workflow to persist 1 billion rows per hour

data-engineering graphana java java21 kafka makefile posgr prometheus python python3 spark sql

Last synced: 12 Mar 2025