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    Open source Java projects are a great way to learn, contribute, and collaborate with other developers. Here are some popular and trending Java projects that you can explore and contribute to:

    Jenkins

    Jenkins is an automation server that helps automate the parts of software development related to building, testing, and deploying, facilitating continuous integration and continuous delivery.

    SuperSonic

    SuperSonic is a next-generation AI+BI platform that unifies Chat BI (powered by LLM) and Headless BI (powered by semantic layer) paradigms.

    Flyway

    Flyway by Redgate is a database migration tool that makes it easy to manage and track changes to your database schema.

    Spring Security

    Spring Security is a powerful and highly customizable authentication and access-control framework for Java applications.

    Azure SDK for Java

    This repository is for the active development of the Azure SDK for Java. It provides libraries for interacting with Azure services.

    Apache Doris

    Apache Doris is an easy-to-use, high-performance, and unified analytics database.

    What is a beginner Java project?

    Ideal for learning, reference, and exploring different areas of Java programming from beginner exercises to advanced applications. This project serves as an easy-to-understand setup for beginners , providing a base foundation in Spring Boot , MVC & hibernate.

    github.com
    ProjectsGeek
    https://projectsgeek.com
    100+ Free Java mini projects with Source Code - ProjectsGeek
  1. Github
    https://github.com › topics › java-project

    java-project · GitHub Topics · GitHub

    4 days ago · A curated collection of diverse Java projects, showcasing various concepts, techniques, and applications. Ideal for learning, reference, and exploring different areas of Java programming …

    • About In the wake of the current, novel coronavirus COVID-19 pandemic, since …

    • Automator - App That Works For You. Contribute to theashwin/automator …

    • GitHub is where people build software. More than 150 million people use GitHub …

    • This project is about the Train-Ticket-Reservation-System which is used to …

    • A Lan chat app built in Java by the use of network programming. Uses UDP (User …

    See results only from github.com
  2. Code Projects
    https://code-projects.org › languages › project › javaprojects

    Java Projects Archives - Source Code & Projects

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    Mar 20, 2026 · We have a lot of free java projects developed in core java, servlet, JSP, struts, spring and hibernate technology. We are providing all the projects for students.

  3. codewithfaraz.com
    https://www.codewithfaraz.com › article

    50 Java Projects with Source Code for All Skill Levels

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    Jun 11, 2025 · 50 Java projects with complete source code, suitable for beginners to experts. Dive into practical coding with these hands-on examples.

  5. ProjectsGeek
    https://projectsgeek.com

    100+ Free Java mini projects with Source Code - ProjectsGeek

    100+ Java mini projects with source code to download for free. Feel free to download abstracts, PPT's and project reports of Java projects in core Java, JSP project.

  6. GeeksForGeeks
    https://www.geeksforgeeks.org › blogs › java-projects...

    Top 10 Java Projects With Source Code - GeeksforGeeks

    Aug 6, 2025 · To help you get started or advance your skills, we’ve put together a list of 10 popular Java projects that are in demand in the industry. We also provide …

  7. Itsourcecode.com
    https://itsourcecode.com › topics › free-projects › java...

    Java Projects - Itsourcecode.com

    Aug 27, 2022 · Java Projects - Download now our Free Java Projects with source code, ideas, and topics for your desktop and web development projects.

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  9. projectworlds.com
    https://projectworlds.com

    500+ Coding Projects With Source Code | Projectworlds

    Aug 18, 2025 · Welcome to Projectworlds, your ultimate destination for a massive collection of over 500 coding projects, each complete with full source code. Whether you're a student aiming to build a …

  10. freejavaguide.com
    http://freejavaguide.com › javasource.htm

    Free Java source code - Java Programs | freejavaguide.com

    free java source code including fully documented core java programs and projects. With our snippets you can add your own java code functionality to the already feature sourcecode samples.

  11. Hackr.io
    https://hackr.io › blog › java-projects

    10 Best Java Projects for Beginners 2026 [With Source …

    Jan 30, 2025 · Want to learn Java? Build Java projects. I wish I'd known this sooner, so I've created 10 Java projects to get hands-on and build your portfolio.

  12. codegnan.com
    https://codegnan.com › java-projects

    15 Java Final Year Projects For Beginners (With Source …

    This curated list of Java project ideas has been researched and updated for 2026 to match current industry needs for CSE final year students and Java professionals.

  13. Deep dive into Free Java Projects Source Code

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