Showing 1807 open source projects for "java-legacy"

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  • 1

    Prime number ( primenumbers )

    Benchmark for 50 000 000 prime numbers as single and multicore

    Simple source files and compiled JAR Java programs, for benchmark 50 000 000 cycle finding prime numbers. On Intel(R) Core(TM) i5-8600K CPU, Windows 10 20H2, i have 39 second on single core and 7,6 second on multi core. (PS: C++ multicore 6 second). Added C files for gcc compiler in Windows 10 and for Xcode C command line project in MacOS ( tested on Mac mini M2 with single core 16 to 25 sec and multicore 2,3 to 5 second by compiler -O switch).
    Downloads: 0 This Week
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  • 2

    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: 0 This Week
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  • 3
    clavirio

    clavirio

    Learn touch typing without leaving the terminal

    A free, open-source typing tutor for the terminal. Progressive lessons, practice modes, real-time stats, and a virtual keyboard with finger hints — for QWERTY, Dvorak, and Colemak. Methodology Research on typing skill suggests that skilled typing relies more on implicit procedural control than on explicit knowledge of key locations. The paper also suggests that the keyboard is represented in terms of its row-and-column structure, not as a memorized list of individual...
    Downloads: 4 This Week
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  • 4
    Frevo

    Frevo

    Frevo is probably the simplest tool for evolutionary design

    FREVO is an open-source framework developed in Java to help engineers and scientists in evolutionary design or optimization tasks. The major feature of FREVO is the componentwise decomposition and separation of the key building blocks for each optimization tasks. We identify these as the problem definition, solution representation and the optimization method. This structure enables the components to be designed separately allowing the user to easily swap and evaluate different configurations and methods or to connect an external simulation tool. ...
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  • 5

    EasyCSP

    Constraint Satisfaction Problem solving library for Java

    EasyCSP is an open-source Java library for Constraint Satisfaction Programming. EasyCSP offers search algorithms for both CSPs and CSOPs. EasyCSP supports CSPs to be formalized using objects or int expressions. EasyCSP on GitHub: http://github.com/cordisvictor/easycsp-lib
    Downloads: 0 This Week
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  • 6
    To Be Top Javaer

    To Be Top Javaer

    To Be Top Javaer - The Path to Becoming a Java Engineer

    toBeTopJavaer is an open source knowledge base and learning roadmap designed to help developers become expert Java engineers. Created and maintained by Hollis, the project compiles a wide range of Java fundamentals, advanced features, and ecosystem knowledge into one structured guide. It covers core Java concepts, JVM internals, multithreading, frameworks, databases, system design, and interview preparation. The repository is presented in a structured, progressive format so learners can follow along step by step while also diving into specific areas of interest. ...
    Downloads: 1 This Week
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  • 7
    RobBX

    RobBX

    RobBX - is a powerfull DIY Arduino constructor based from IQBX

    RobBX - is a first in the world DIY Arduino constructor based from IQBX. Difference from prototype, RobBX has complete conception witch includes: a complete STL 3D-models with OpenSCAD sources; a special schemes and electronics connections; and powerfull Arduino firmware for ESP32 based on WiFi AP Server, connection to it from mobile device give a controller, programmable from IDE (on Blockly). Robb - is a low cost constructor, but it powerful for STEAM education.
    Downloads: 4 This Week
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  • 8
    Codefather

    Codefather

    A programmer's guide to programming

    Codefather is a large programming learning resource and guide maintained by the creator “程序员鱼皮” (Programmer Yupi) that aggregates comprehensive learning pathways, tutorials, knowledge sharing, and practical project examples for many programming languages and technologies. It’s designed to serve as a one-stop programming encyclopedia that covers foundational learning routes for Java, front-end, Python, C++, algorithms, and core computer science topics, making it useful for beginners, career-changers, and students. In addition to structured learning paths, the repository includes curated educational content such as coding exercises, interview questions, study guides, and real-world project tutorials to help learners build skills systematically. ...
    Downloads: 0 This Week
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  • 9

    BoPlanets planetarium

    BoPlanets shows planets relatively to an observing planet.

    BoPlanets is a virtual planetarium showing the planets relatively to any observing planet. The planets can be viewed in ecliptical-, equatorial- or horizontal view. The times of rise, transit and set of a planet can be determined. Click on the link below to the web site of BoPlanets to see the help file of BoPlanets.
    Downloads: 0 This Week
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  • 10
    JSmol

    JSmol

    JavaScript-Based Molecular Viewer From Jmol

    JSmol is the extension of the Java-based molecular visualization applet Jmol (jmol.sourceforge.net) as an HTML5 JavaScript-only web app. It can be used in conjunction with the Java applet to provide an alternative to Java when the platform does not support that (iPhone/iPad) or does not support applets (Android). Used in conjunction with the Jmol JavaScript Object (http://wiki.jmol.org/index.php/Jmol_Javascript_Object), JSmol seamlessly offers alternatives to Java on these non-Applet platforms. ...
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    Downloads: 11 This Week
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  • 11
    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: 2 This Week
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  • 12
    JAlma is Java Astronomical Almanac.
    Downloads: 0 This Week
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  • 13
    Java Noodle Manual

    Java Noodle Manual

    The Java Face Sutra Manual consists of 5 chapters, 29 sections

    Java Noodle Manual is a Java interview and core-technology study repository based on the Java Interview Manual. It uses interview questions as an entry point to explain deeper Java fundamentals instead of offering shallow memorization material. The content covers resume preparation, interview strategy, data structures, algorithms, concurrency, multithreading, JVM concepts, and source-code analysis.
    Downloads: 0 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: 0 This Week
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  • 15
    Guia do Desenvolvedor Back-end

    Guia do Desenvolvedor Back-end

    Everything you need to become a back-end developer

    Guia do Desenvolvedor Back-end is a back-end developer guide designed to help learners understand the technologies and concepts behind server-side development. It presents a roadmap and curated resources for both new developers and professionals who want to expand their stack. The guide covers Linux, Git, GitHub, HTTP, APIs, programming languages, databases, cloud platforms, Docker, architecture patterns, and related technical areas. It also includes resources for data science, machine...
    Downloads: 0 This Week
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  • 16
    0xcafed0c5

    0xcafed0c5

    An Interactive Java API Examples and Documentation

    Downloads: 0 This Week
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  • 17
    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: 1 This Week
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  • 18
    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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  • 19
    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: 6 This Week
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  • 20
    Worderize Lite

    Worderize Lite

    Worderize is designed to make the language learning more effective.

    ...New features in V2.0: German and French localization; You can now add definition to words; "Edit" button for words and their definitions; DES + AES encryption. New features in V2.1: Support for Hebrew language. For more information please visit: https://github.com/Northstrix/Worderize Worderize Lite requires java to be installed on your computer. You can download java here https://www.java.com/en/
    Downloads: 1 This Week
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  • 21
    Biogenesis
    Biogenesis is an artificial life program that simulates the processes involved in the evolution of organisms. It shows colored segment based organisms that mutate and evolve in a 2D environment. Biogenesis is based on Primordial Life.
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    Downloads: 80 This Week
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  • 22
    MultiPseudo
    ...Permite la traducción de algoritmos entre los diferentes lenguajes de Pseudocódigo, así como la traducción del código a Python 2. MultiPseudo también permite la programación y desarrollo de algoritmos en Python 2. Disponible una versión en Java con uso de Jython y otra versión Javascript con uso de Skulpt.
    Downloads: 1 This Week
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  • 23
    mXparser - Math Parser Java C# Library

    mXparser - Math Parser Java C# Library

    A flexible mathematical expressions parser for JAVA, Android, C# .NET

    mXparser is highly flexible parser of math expressions. Software provides easy to use API for JAVA, Android, C# .NET/MONO (CLS). Main functionalities: - basic operators, i.e.: +, -, *, ^, ! - Boolean logic operators i.e.: or, and, xor - binary relations i.e.: =, <, > - math functions (large library of 1-arg, 2-arg, 3-arg - - functions) i.e.: sin, cos, Stirling numbers, log, inverse functions - constants (large library), i.e.: pi, e, golden ratio - n-args functions i.e.: greatest common divisor - iterated summation and product operators - differentiation and integration High flexibility: - user defined constants and arguments, both free - and dependent on other arguments + possibility of use in functions - user defined functions (both free and depended) - user defined recursive arguments + simple (controlled) recursion (1 recursive argument) - user defined recursive functions / expressions (any) - complex, many arguments, no limitation - internal syntax checkin
    Downloads: 3 This Week
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  • 24
    Spring MicroServices

    Spring MicroServices

    Microservices using Spring Boot, Spring Cloud, Docker and Kubernetes

    ...The repository emphasizes best practices in microservice design, including fault tolerance and monitoring. It is structured as a step-by-step course with real application scenarios. Overall, it provides a strong foundation for developing cloud-native Java applications.
    Downloads: 0 This Week
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  • 25
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