Showing 135 open source projects for "java code"

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  • Software for managing apps and accounts | WebCatalog Icon
    Software for managing apps and accounts | WebCatalog

    Tired of juggling countless browser tabs? WebCatalog Desktop turns your favorite web apps into dedicated desktop apps

    Turn websites into desktop apps with WebCatalog Desktop—your all-in-one tool to manage apps and accounts. Switch between multiple accounts, organize apps by workflow, and access a curated catalog of desktop apps for Mac and Windows.
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  • R3 Contract Management for GovCon Icon
    R3 Contract Management for GovCon

    Designed to meet the unique needs of Federal Government Contractors.

    R3 Contract Management for GovCon is a practical, flexible, and affordable software solution designed specifically for small to mid-size Federal Government Contractors. It provides you with a centralized contract management system. This gives you greater control over your contracts, reduces risks, increases your effectiveness and provides you with cost savings from increased productivity.
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  • 1
    Source Code Hunter

    Source Code Hunter

    Source code analysis of Spring, MyBatis, Redis, Netty, and more

    Source Code Hunter is an open source project by Doocs that focuses on analyzing and explaining the source code of widely used Java frameworks and libraries. It helps developers deepen their understanding of internal implementations, design patterns, and performance optimizations by walking through actual codebases such as Spring, MyBatis, Netty, Tomcat, and others.
    Downloads: 2 This Week
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  • 2
    DSA Bootcamp Java

    DSA Bootcamp Java

    This repository consists of the code samples, assignments, and notes

    DSA Bootcamp Java is an open source educational repository created by Kunal Kushwaha to teach Data Structures and Algorithms (DSA) using Java. It is designed as a structured bootcamp, covering fundamental concepts to advanced problem-solving techniques. The project provides explanations, exercises, assignments, and practice problems, making it useful for both beginners and intermediate learners who want to strengthen their Java and algorithmic skills. The repository is organized into...
    Downloads: 3 This Week
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  • 3
    Mall Learning

    Mall Learning

    Tutorial and sample-code repository

    mall-learning is a tutorial and sample-code repository that explores an entire e-commerce system architecture from backend to frontend. The associated “mall” project (with tens of thousands of stars) is an open-source full-stack e-commerce platform built with Spring Boot, MyBatis, Elasticsearch, RabbitMQ, Redis, MongoDB, MySQL and containerized via Docker. The learning repository breaks down architecture, business modules (products, orders, marketing, members), deployment (Linux, Docker,...
    Downloads: 2 This Week
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  • 4
    LeetCode Book

    LeetCode Book

    Comprehensive study guide for coding interviews

    LeetCode-Book is a comprehensive study guide for coding interviews that consolidates algorithm patterns, data-structure templates, and worked LeetCode solutions. It organizes problems by topic—arrays, linked lists, stacks/queues, trees/graphs, dynamic programming, greedy, backtracking, and math—so you can study systematically. Explanations are concise but intentional, highlighting why a pattern fits, how to reason about boundary cases, and the time/space trade-offs. Many entries include...
    Downloads: 2 This Week
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  • Office Ally: Healthcare Software for Your Medical Practice Icon
    Office Ally: Healthcare Software for Your Medical Practice

    We support healthcare organizations of all sizes with easy-to-use, affordable software solutions.

    Service Center by Office Ally is a trusted revenue cycle management platform used by over 65,000 healthcare organizations processing more than 350 million claims annually. With it, providers can verify patient eligibility and benefits, upload and submit claims, correct rejected claims, check claim status, and obtain remits. With multiple claim types and submission options, providers can easily submit claims to any payer from any practice management system. Transactions are secure, ensuring the confidentiality of sensitive patient information. With no needed implementation, providers can quickly and effortlessly streamline their billing processes, increase their financial performance, simplify medical billing, and reduce claim rejections for faster reimbursements.
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  • 5
    JavaGuide-Interview

    JavaGuide-Interview

    A study for technical interviews focused on Java

    JavaGuide-Interview is a comprehensive study companion for technical interviews with a strong focus on the Java ecosystem. It organizes material across language fundamentals, collections, concurrency, JVM internals, and hot frameworks such as Spring and MyBatis. Beyond Java, it includes databases, computer networks, operating systems, distributed systems, and common algorithmic topics to mirror real interview scopes. The notes emphasize high-value concepts, pitfalls, and frequently asked questions, often pairing concise explanations with diagrams or sample code. ...
    Downloads: 2 This Week
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  • 6
    Interviews

    Interviews

    Comprehensive computer science and interview preparation guide

    Interviews is an open source repository designed as a comprehensive guide to preparing for technical interviews, with a strong focus on computer science fundamentals and algorithmic problem solving. Created by Kevin Naughton Jr., the project compiles detailed notes, explanations, and code implementations that cover core areas tested in software engineering interviews. The repository emphasizes topics such as data structures, algorithms, system design, operating systems, databases, and...
    Downloads: 5 This Week
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  • 7
    Java Modeling Language (JML)
    This sourceforge site for the project is now DEPRECATED and not updated. All current work and new releases are on github: https://github.com/OpenJML/OpenJML. The Java Modeling Language (JML) is a behavioral interface specification language that can be used to specify the behavior of Java modules (as in design by contract -- DBC). It has many tools to do assertion checking, unit testing, etc. The principal current tool of the project is OpenJML -- cf. https://www.openjml.org, with...
    Downloads: 1 This Week
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  • 8
    Anti-Plagiarism (Check on plagiarism)
    ...The goal of this program is to help reduce the impact of plagiarism on education and educational institutions. Checking documents in a format *.rtf, *.doc, *.docx, *.pdf Check the source code C, C++, C#, Java, ... Download - https://sourceforge.net/projects/antiplagiarismc/files/AntiPlagiarism.jnlp Documentation - https://sourceforge.net/projects/antiplagiarismc/files/doc_us.pdf
    Downloads: 32 This Week
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  • 9
    Pick a polygon, then a transformation, then press the Go button. Cartesian coordinates grid. Unit of length is the pixel. See BestWavesLive.com No File I/O Java code.
    Downloads: 0 This Week
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  • ACI Learning: Internal Audit, Cybersecurity, and IT Training Icon
    ACI Learning: Internal Audit, Cybersecurity, and IT Training

    Proven skill building for every aspect of your support or IT team.

    Traditional training doesn't equip employees with the practical skills they need to drive business success. ACI Learning provides hands-on IT and cybersecurity training designed to build real-world, on-the-job skills. Our outcome-based programs empower employees with certification prep, industry-recognized credentials, and flexible learning options. With expert-led video training, labs, and scalable solutions, we help businesses, individuals, governments, and academic institutions develop a skilled workforce, align with business goals, and stay ahead in a rapidly evolving digital world.
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  • 10

    aguacate

    With aguacate you get a better taste

    Aguacate is a framework with focus on implement business logic functionality, using configuration files (json) instead of programming. See the wiki and the videos See https://github.com/mcnew/aguacate-swagger-demo for a functional demo using docker-compose Videos in Spanish: https://www.youtube.com/playlist?list=PLSHQIkodyHroW2XF7BWCrymDv_Nlj7HRS
    Downloads: 1 This Week
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  • 11

    Prime number ( primenumbers )

    Benchmark for 50 000 000 prime numbers as single and multicore

    ...Surprise, same code in JavaScript for M2 chip in Safari, 12,5 sec single core and 3,3 sec multi core. Python version with numba and numpy on MacOS with M2, 3,78 sec.
    Downloads: 7 This Week
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  • 12
    java symbolic computing library and math editor, with : polynomial system solving, vectors & matrices, factorization, derivatives, integrals (rational functions), boolean algebra, simplification, MathML output, java code generation, geometric algebra
    Downloads: 0 This Week
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  • 13
    CS Notes

    CS Notes

    Essential knowledge for technical interviews, Leetcode, and OS

    ...Created by CyC2018, the repository consolidates essential computer science topics, algorithm solutions, and interview preparation materials in one well-organized resource. It covers a broad range of subjects, including data structures, algorithms, operating systems, networks, databases, and Java development. The repository also includes sections on system design, distributed systems, caching, and message queues, providing practical knowledge relevant to software engineering interviews and real-world applications. In addition, it emphasizes code readability, clean coding practices, and proper documentation formatting. The notes follow the Chinese copywriting typesetting guidelines for improved readability, and the project employs consistent HTML-based image formatting to maintain a polished, uniform presentation across all documents.
    Downloads: 3 This Week
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  • 14
    UMHDL

    UMHDL

    Integrated Development Environment (IDE) for learning HDL

    UMHDL is an educational Integrated Development Environment (IDE) intended for learning digital designing with programmable logic devices using Hardware Description Languages (HDL) through simulation. It is an open-source application created at the Miguel Hernández University (UMH). The aim for the UMHDL development was to have a graphical application that allows learning the VHDL language without licensing restrictions (using some existing open-source tools) and requiring few resources. So,...
    Downloads: 5 This Week
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  • 15
    The Art of Programming

    The Art of Programming

    A collection of practical tips can be found at the bottom of this page

    The Art of Programming (Second Edition) is a curated collection of programming problems and solutions originally derived from the Microsoft 100 Interview Questions blog series, later refined into a long-running tutorial and ultimately a published book. Created by July, the series began in 2010 and has since evolved into an in-depth exploration of algorithmic thinking, data structures, and coding interview preparation. The repository brings together 42 classic programming problems from the...
    Downloads: 4 This Week
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  • 16
    ixy-languages

    ixy-languages

    A high-speed network driver written in C, Rust, C++, Go, C#, Java

    ixy-languages is a repository exploring the implementation of the ixy network driver (originally written in C) in multiple programming languages, showing how the same core logic can be expressed across language boundaries. The ixy driver is a minimal DPDK-based user-space NIC driver intended for education, demonstration, and controlled experimentation. This project reimplements the ixy driver architecture in Rust, Go, C++, Zig, and possibly other languages, maintaining the same driver...
    Downloads: 0 This Week
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  • 17
    MGB OpenSource Guestbook
    MGB is a free OpenSource Guestbook completely written in PHP, using JavaScript and a MySQL Database. Easy to use, flexible and customizable with templates to make it fit 100% to your homepage.
    Downloads: 5 This Week
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  • 18
    Spring and Hibernate for Beginners

    Spring and Hibernate for Beginners

    Source code for the course: Spring and Hibernate for Beginners

    This repository contains code and resources for learning Spring and Hibernate, tailored to beginners looking to understand Java-based web development. Here is a Spring Boot Learning Path and Roadmap to help you learn more about Spring Boot. These are links to luv2code courses on Udemy. You can purchase the courses to further your studies.
    Downloads: 1 This Week
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  • 19
    LeetCode Animation

    LeetCode Animation

    Demonstrate all the questions on LeetCode in the form of animation

    LeetCodeAnimation is an educational open source project by MisterBooo that visually demonstrates algorithm problems from LeetCode through animations. The goal of the project is to help learners understand complex algorithmic concepts intuitively by showing step-by-step animated explanations instead of relying solely on static code or text. Each animation corresponds to a specific problem and illustrates how data structures and algorithms operate dynamically, making it easier to grasp their...
    Downloads: 5 This Week
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  • 20
    LTEX Extension for VS Code

    LTEX Extension for VS Code

    LTeX: Grammar/spell checker for VS Code using LanguageTool

    LTEX provides offline grammar checking of various markup languages using LanguageTool (LT). LTEX can be used standalone as a command-line tool, as a language server using the Language Server Protocol (LSP), or directly in various editors using extensions. LTEX currently supports BibTEX, ConTEXt, LATEX, Markdown, Org, reStructuredText, R Sweave, and XHTML documents. A classic use case of LTEX is checking scientific LATEX papers.
    Downloads: 0 This Week
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  • 21
    ObjectVolume

    ObjectVolume

    Calculates Volume, Surface Area & Centroid of a Closed Triangular Mesh

    The ObjectVolume program calculates the volume, surface area and centroid of a closed triangular mesh represented in an object file (.obj). The process goes through the list of triangles that make up the surface and, for each triangle, forms a tetrahedron with an external point. The program uses the origin (0,0,0). The volume of the tetrahedron is then calculated. Tetrahedrons with back facing triangles are added and those with forward facing triangles are subtracted yielding the object...
    Downloads: 0 This Week
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  • 22
    Bridge Designer and Contest

    Bridge Designer and Contest

    A national virtual bridge engineering contest for kids of all ages.

    **Unfortunately, the Bridge Contest is no longer operational. We hope the code base will be of use to others with similar projects in mind.** A national virtual bridge engineering contest with prizes for middle and high school kids, grades 6 to 12, but anyone can enter for fun. Based on the award-wining Bridge Designer client software, now open source through this project. Web site infrastructure supports worldwide participation in qualifying and semifinal rounds with a tiny...
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    Downloads: 3,514 This Week
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  • 23
    Impro-Visor

    Impro-Visor

    Leadsheet notation with auto-generated playback, improvisation advice

    Impro-Visor® is a music notation tool for producing monophonic lead sheets, specifically intended to help the improviser. Chord symbols are used to generate backing tracks automatically. Improvisation advice exists in the form of note coloration, database of licks, and automatic lick generation from grammars. Grammars can be learned automatically from transcriptions. Styles can be edited and created by the user. Other features include generation of roadmaps for understanding keys and...
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    Downloads: 198 This Week
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  • 24
    VJTools

    VJTools

    The vip.com's java coding standard, libraries and tools

    Vipshop, which focuses on Java, has some knowledge about Java. "Alibaba Java Development Manual" is the first enterprise-level Java development manual published to the outside world, which is of great significance to the entire industry. Based on the internal experience of Vipshop, we refer to heavy materials such as "Clean Code" and "Effective Java" to add some items and make some simplifications.
    Downloads: 0 This Week
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  • 25
    panFMP
    panFMP is a generic framework suitable for harvested XML metadata that is searchable through Apache Lucene without any additional RDBMS. Fields can be defined by XPath allowing for full text queries on all types of fields including numerical ranges. The code was moved to Github: https://github.com/pangaea-data-publisher/panfmp
    Downloads: 0 This Week
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