Search Results for "e-learning"
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Showing 57 open source projects for "e-learning"
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toBeBetterJavaer
An easy-to-understand and humorous Java study guide
toBeBetterJavaer is an extensive Java learning knowledge base designed to help developers progress from fundamentals to professional development topics. It combines original tutorials, learning roadmaps, reference material, and job-interview preparation in one organized repository. Core lessons cover syntax, object-oriented programming, collections, exceptions, I/O, networking, NIO, and modern Java features. -
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Tribuo
Tribuo - A Java machine learning library
Tribuo* is a machine learning library written in Java. It provides tools for classification, regression, clustering, model development, and more. It provides a unified interface to many popular third-party ML libraries like xgboost and liblinear. With interfaces to native code, Tribuo also makes it possible to deploy models trained by Python libraries (e.g. scikit-learn, and pytorch) in a Java program. -
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Hutool
A set of tools that keep Java sweet
Hutool is a small but comprehensive Java tool class library. Through static method encapsulation, it reduces the learning cost of related APIs, improves work efficiency, makes Java as elegant as a functional language, and makes the Java language "sweet". The tools and methods in Hutool come from each user's meticulous attention to detail. It covers all aspects of the underlying code of Java development. It is not only a sharp tool to solve small problems in large-scale project development, but also an efficiency responsibility in small-scale projects. ... -
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ZXing
Barcode scanning library for Java, Android
ZXing or “Zebra Crossing” is an open source multi-format 1D/2D barcode image processing library that’s been implemented in Java, and also comes with ports to other languages. It currently supports the following formats: UPC-A and UPC-E EAN-8 and EAN-13 Code 39 Code 93 Code 128 ITF Codabar RSS-14 (all variants) RSS Expanded (most variants) QR Code Data Matrix Aztec ('beta' quality) PDF 417 ('alpha' quality) MaxiCode ZXing is made up of several modules, including a core image decoding library, JavaSE-specific client code, and Android client Barcode Scanner. ... -
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30 Seconds of Java
Collection of reusable tested Java 21 compatible code snippets
...Each snippet is designed to be read and understood in under a minute, showing a single idea such as working with streams, handling optionals, manipulating collections, or doing common utility tasks. The repo targets both beginners who want bite-sized learning and experienced developers who just need a ready-made idiom without digging through docs. Because the snippets are standalone, you can copy them directly into your project or adapt them with minimal changes. The collection is organized and documented so you can browse by category and skill level. Overall, it’s a convenient library for learning modern, idiomatic Java fast and applying it right away. -
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Alibaba Dragonwell8
Alibaba Dragonwell8 JDK
...We are now contributing some of our work into the Java community. Alibaba Dragonwell, as a downstream version of OpenJDK, is the in-house OpenJDK implementation at Alibaba. It is optimized for online e-commerce, financial and logistics applications running on 100,000+ servers. Alibaba Dragonwell is the engine that runs these distributed Java applications in extreme scaling. -
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ta4j
A Java library for technical analysis
...It provides the basic components for the creation, evaluation, and execution of trading strategies. Ta4j is available on Maven Central. You can also download example code from the maven central repository. The wiki is the best place to start learning about ta4j. For more detailed questions, please use the issues tracker. We can calculate indicators over this bar series, in order to forecast the direction of prices through the study of past market data. Then we have to build our trading strategy. It is made of two trading rules, one for entry, the other for exit. Ta4j comes with a set of basic trading rules/strategies which can be combined using boolean operators. ... -
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Java Tablesaw
Java dataframe and visualization library
...If you work with data in Java, it may save you time and effort. Tablesaw also supports descriptive statistics and can be used to prepare data for working with machine learning libraries like Smile, Tribuo, H20.ai, DL4J. Import data from RDBMS, Excel, CSV, TSV, JSON, HTML, or Fixed Width text files, whether they are local or remote (http, S3, etc.) Tablesaw supports data visualization by providing a wrapper for the Plot.ly JavaScript plotting library. Here are a few examples of the new library in action. ... -
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Java Basics
Large educational repository for learning and reviewing modern Java
Java Basics is a large educational repository for learning and reviewing modern Java, currently presented around Java 25. It combines conceptual notes, code examples, programming exercises, interview questions, and multiple-choice material. Core topics include collections, strings, object-oriented programming, multithreading, and general Java programming. Separate resources cover JDBC, JSP, Servlets, Hibernate, and common design patterns. -
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LaTeX Examples
Examples for the usage of LaTeX
LaTeX-examples is a repository collecting a variety of example documents and snippets demonstrating LaTeX features, usage patterns, and common templates. It acts as a playground for learning LaTeX syntax, macros, formatting tricks, and document structuring practices. Files include sample articles, reports, book chapters, presentations (using Beamer), tables, mathematical typesetting examples (equations, aligned systems, integrals, matrices), custom macros, and styling. The project is useful both for beginners who want to see working LaTeX samples and for more advanced users seeking snippets for specific formatting needs (e.g., customizing headers, floats, customizing theorem environments). ... -
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Java and Spring Tutorials
Getting Started with Spring Boot 3
Java and Spring Tutorials is a large-scale educational codebase that provides practical examples and tutorials covering a wide range of software development topics, primarily focused on Java and related ecosystems. It serves as a companion resource for Baeldung articles, offering real-world code implementations that demonstrate concepts such as Spring Boot, persistence frameworks, REST APIs, security, testing, and more. The repository is organized into multiple modules, each targeting... -
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JavaTutorial
Ten years of experience as a veteran driver in Java technology
Java Tutorial is a large Chinese-language knowledge base built from years of practical Java development experience. It connects core Java material with Java EE, web applications, servers, build systems, testing, monitoring, and deployment tools. The web section covers Servlets, JSP, filters, listeners, cookies, sessions, Tomcat, Jetty, and Nginx. Development tooling includes Maven, Ant, major IDEs, serializers, template engines, logging libraries, and testing utilities. Framework and... -
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LakshmiDROP
Fixed Income Analytics, Portfolio Construction, Asset Backed Cost
DROP implements the model libraries and provides systems for fixed income valuation and adjustments, asset allocation and transaction cost analytics, and supporting libraries in numerical optimization and statistical learning. DROP is composed of four main libraries: [Asset Allocation] (https://lakshmidrip.github.io/DROP/AssetAllocationModule.html) [Fixed Income Analytics] (https://lakshmidrip.github.io/DROP/FixedIncomeModule.html) [Numerical Optimization] (https://lakshmidrip.github.io/DROP/NumericalOptimizerModule.html) [Statistical Learning] (https://lakshmidrip.github.io/DROP/StatisticalLearningModule.html) -
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mall-swarm
Microservices edition of the mall e-commerce system
mall-swarm is the microservices edition of the mall e-commerce system, designed to illustrate how an enterprise-scale e-commerce backend can be built using Spring Cloud Alibaba, Spring Boot 3.x, Sa-Token (authentication), MyBatis, Elasticsearch, Docker and Kubernetes. It includes modules for gateway, auth, search, portal, admin, monitoring, config, registry, and more, and integrates a Vue-based management frontend. -
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Snippetory
Java templating solution with passive templates.
Snippetory is a platform for java developers dealing with any text generation. The abstraction layer helps to keep the issues of the 'view' in the view, while all logic is implemented in java. Editing, debugging and testing, all with the tools one is already used to. The separation of template keeps the template simple, the logic compact, and easy to navigate, and offers completely new re-usage scenarios. Sourceforge code hosting is abandoned. Primary site is now... -
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Spring Hand Penetration Column
Aims to learn Spring source code and understand principles of Spring
Spring Hand Penetration Column is a hands-on Java learning project that teaches Spring internals by rebuilding a simplified Spring framework step by step. The repository breaks the framework into multiple learning stages so developers can understand each core concept through implementation rather than passive reading. It preserves key Spring ideas such as IoC, AOP, bean lifecycle, application context, scopes, resource loading, annotation configuration, and package scanning. ... -
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Hacker Scripts
Based on a true story
Hacker Scripts is a cheeky collection of small automation scripts and language ports collected under the tagline “Based on a true story.” The repository gathers playful utilities (originally shell and Ruby scripts) that automate short, real-world tasks — for example, sending a quick “late at work” text when SSH sessions are active, firing off an automated “I’m sick / working from home” email on certain mornings, or even talking to a networked coffee machine to start brewing at precisely the... -
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compileflow
Core business process engine of Alibaba Halo platform
...Specifically, Compileflow is designed to focus on pure memory execution and stateless process engines by converting process files to generate, compile and execute java code. Currently, compileflow powers multiple core systems such as Alibaba's e-commerce stores and transactions. Compileflow allows developers to design their own business processes through the process editor, which will visualize complex business logic, and build a bridge between designers and development engineers. -
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Java Core Learning Example
Examples of learning and accumulating Java core technologies
Java Core Learning Example is an educational Java repository focused on core language concepts and practical examples for beginners and developers reviewing fundamentals. It covers syntax, object-oriented programming, collections, I/O, NIO, reflection, runtime type information, threading, networking, and initialization behavior. Java 8 material includes lambda expressions and the Stream API. -
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jsoncat
Lightweight HTTP framework built in Java
...Because it avoids heavy abstractions and auto-magical configuration, it’s suited to developers who want to understand what happens beneath frameworks rather than just use them. The code has detailed comments (recently translated or annotated for Chinese readers), making it a practical study project for learning network programming, middleware design, and handler chains. Projects like this are especially useful for backend engineers or Java learners who want to demystify how web servers and routing frameworks work at a low level. -
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Spring Cloud Tutorial
Spring Cloud Basics Tutorial, continuously updated
SpringCloud-Learning is a tutorial repository containing runnable examples for building microservice systems with Spring Cloud. Its code is organized around several framework generations, including Brixton, Dalston, Edgware, and Finchley. The lessons cover service registration, discovery, client communication, distributed configuration, gateways, and fault tolerance. -
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Spring Cloud Examples
Spring Cloud learning cases, service discovery, service governance
The Spring Cloud Examples repository appears to be a collection of sample applications and demos that illustrate how to use Spring Cloud and related cloud-native patterns in real-world microservice or distributed-service contexts. It provides working codebases showing how to wire together service discovery, configuration, inter-service communication, and possibly resilience patterns — giving developers a hands-on playground rather than theoretical documentation. By studying the examples, one... -
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Neuroph is lightweight Java Neural Network Framework which can be used to develop common neural network architectures. Small number of basic classes which correspond to basic NN concepts, and GUI editor makes it easy to learn and use.
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threadandjuc
High performance three-high-import import system
threadandjuc is a Java learning repository focused on multithreading, concurrency, and JUC concepts. It is designed to help developers understand how Java concurrent programming works through examples, explanations, and practical project-style demonstrations. The project covers topics such as threads, locks, synchronization, thread pools, concurrent collections, and high-performance data handling. -
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javaLightConsole
Easy fine console input/output for java
Input : non blocking keyboard handling. Output : clean console, print at x,y coordinates, echo on/off, cursor on/off. Developed for learning game programming and MVC. Uses native code through JNI. Provides windows and linux versions. Includes code:blocks and eclipse projects for native and java code. You can use the classes InputProxy and OutpoutProxy in your projects. For usage examples, see their main() methods.
