Search Results for "core java" - Page 4
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Showing 244 open source projects for "core java"
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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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Guice
Lightweight dependency injection framework for Java 6 and above
Guice is a lightweight, open source, dependency injection framework for Java 6 and higher. It was made to alleviate the need for factories and using new in your Java code. You would still need to write factories in some cases as you normally would, but with Guice your code will no longer directly depend on these factories. In most cases, they will also be easier to change, unit test and reuse. Guice fills in a lot of the missing features in core Java, and helps to design better APIs. ... -
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javaboy-code-samples
Collection of Java code examples and demo projects
javaboy-code-samples is a well-curated collection of Java code examples and demo projects assembled by a prolific instructor and blogger to illustrate key concepts in backend development. Rather than focusing on a single application, it groups many small sample programs and projects that exemplify usage of Java core APIs, Spring Boot, frameworks like GRPC and Shiro, REST services, JWT, web security, caching, asynchronous processing, and database interactions. ... -
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bugstack
Java Backend Development Skills Roadbook
...It separates core technologies from supporting routes so learners can prioritize what helps them become productive first. The project is useful for students, junior developers, and working programmers who need a clearer view of what to learn next. It functions as both a structured checklist and a navigation map for Java backend career growth. -
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xBridge - I2C/SMBus GUI
USB Bridge for SMBus/I2C, GPIO, & Clock
...It can control and transmit SMBus/I2C, GPIO, Clock and other interfaces through USB. The product includes software and hardware. It has the characteristics of easy use and development. The core chip is CP2112 Graphical software and operating manual can be downloaded for free at http://xbridge-m01.doidx.com Provide the underlying Java API, http://xsmbus-m01.doidx.com , which can do simple testing and develop user-specific graphical interface products. xSmbus-xx, xBridge-xx do not need to install the driver according to the operating system in advance, nor select the COM port requirement, as long as they are in the Java environment, they can be plug and play. ... -
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ACM Cheat Sheet
This book uses templates open-sourced by Chen Shuo
ACM Cheat Sheet is a compact competitive-programming handbook containing reusable explanations and code for common algorithms and data structures. The same material is maintained in C, C++, and Java editions so readers can study or compete in their preferred language. Topics include fundamentals, linear lists, stacks, queues, strings, trees, graphs, sorting, searching, breadth-first search, and depth-first search. Additional chapters cover greedy methods, divide and conquer, brute force,... -
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compileflow
Core business process engine of Alibaba Halo platform
...The Compileflow process engine is an important part of Taobao Business Process Management(TBBPM), which is dedicated to optimizating operations at Alibaba’s Taobao Marketplace. 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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tabtoy
High performance tabular data exporter
High-performance tabular data export tool. Support Xlsx/CSV as mixed input of tabular data. Support JSON/Golang/C#/Java/Lua/binary source, data, and type output. Automatic cell data format checking, accurate to cell errors. Support predefined enumeration can use Chinese enumeration type. Support table splitting, support multi-person collaboration. Support KV configuration table, convenient to use the table as a configuration file. Multi-core concurrent export, cache acceleration, export hundreds of files in seconds. ... -
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JWebAssembly
Java bytecode to WebAssembly compiler
JWebAssembly is a compiler that translates Java bytecode into WebAssembly, enabling Java applications to run in web browsers or other Wasm-compatible environments. Instead of requiring JavaScript as an intermediary, it directly converts compiled Java classes into WebAssembly modules, preserving performance and reducing overhead. The project supports a subset of the Java standard library and focuses on enabling practical execution of Java programs in web contexts. It provides tools for... -
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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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JS-Sorting-Algorithm
A GitBook online book on sorting algorithms
JS-Sorting-Algorithm is an educational repository and GitBook-style resource about classic sorting algorithms. It explains sorting as a core topic in data structures and algorithms, with attention to internal sorting, external sorting, time complexity, memory usage, and stability. The guide covers ten major sorting methods, including bubble sort, selection sort, insertion sort, shell sort, merge sort, quicksort, heap sort, counting sort, bucket sort, and radix sort. It compares algorithms by... -
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Apache SkyWalking Rocketbot UI
SkyWalking RocketBot UI
Application performance monitor tool for distributed systems, specially designed for microservices, cloud-native, and container-based (Kubernetes) architectures. End-to-end distributed tracing. Service topology analysis, service-centric observability and API dashboards. Java, .Net Core, PHP, NodeJS, Golang, LUA, Rust, C++, Client JavaScript and Python agents with active development and maintenance. Rover agent works as a metrics collector and profiler powered by eBPF to diagnose CPU and network performance. 100+ billion telemetry data could be collected and analyzed from one SkyWalking cluster. Metrics, Traces, and Logs from mature ecosystems are supported, e.g. ... -
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Apollo
Java libraries for writing composable microservices
...It incorporates both apollo-api and apollo-core and ties them together with several other useful modules to get a standard API service. -
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AWS Greengrass Core SDK for Java
Greengrass Java SDK
The AWS Greengrass Core SDK for Java enables Java developers to develop Lambda functions which will run within Greengrass. This document provides instructions for preparing your Greengrass Core environment to run Lambda functions written in Java. It also includes examples on how to develop a Lambda function in Java as well as packaging and running an example Hello World file in Java for your Greengrass core. -
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libpostal
A C library for parsing/normalizing street addresses around the world
A C library for parsing/normalizing street addresses around the world. Powered by statistical NLP and open geo data. libpostal is a C library for parsing/normalizing street addresses around the world using statistical NLP and open data. The goal of this project is to understand location-based strings in every language, everywhere. Addresses and the locations they represent are essential for any application dealing with maps (place search, transportation, on-demand/delivery services,... -
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JSweet
A Java to JavaScript transpiler
JSweet leverages TypeScript to write rich and responsive Web applications in Java through the use of JavaScript libraries and frameworks. With JSweet, Java programs are transpiled (source-to-source compiled) to TypeScript and JavaScript for being run in browsers, mobile Web views, or in Node.js. It provides web applications with type-checking and generates fully type-checked JavaScript programs. It stands on Oracle's Java Compiler (javac) and on Microsoft's TypeScript (tsc). JSweet depends... -
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Databene Commons
databene commons provides extensions to the Java core library
'databene commons' is an open source Java library that provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations. -
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UCanAccess
A pure Java JDBC driver for Microsoft Access database files
UCanAccess is a pure Java JDBC Driver implementation which allows Java developers and JDBC client programs to read/write Microsoft Access database (.mdb and .accdb) files. No ODBC needed. -
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algo
50 Code Implementations You Must Know About Data Structures
...Solutions are available across numerous languages, including C, C++, Java, Go, Python, JavaScript, Rust, Swift, Kotlin, and TypeScript. This multilingual layout helps learners compare syntax and implementation choices while studying the same concepts. The repository is well suited to interview preparation, classroom exercises, and deliberate coding practice. -
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jsoncat
Lightweight HTTP framework built in Java
jsoncat is a lightweight HTTP framework built in Java (using Netty) that aims to replicate some of the feel of Spring Boot—but in a minimal, educational style focused on clarity rather than full enterprise complexity. The project is organized as a small library and tutorial-style codebase, where core HTTP handling, routing, and JSON processing are exposed in a compact way so learners can trace how HTTP requests are parsed and dispatched. -
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Essentials
General purpose utilities and hash functions for Android and Java
...Essentials emphasizes speed and low footprint, with components such as LongHashMap delivering measurable performance improvements over standard implementations. The library is compatible with both Android and standard Java environments, making it broadly usable across platforms. Overall, Essentials serves developers who want faster and more convenient core utilities without adopting large libraries like Guava or Apache Commons. -
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exchange-core java
Ultra-fast matching engine written in Java based on LMAX Disruptor
Exchange-core is an open source market exchange core based on LMAX Disruptor, Eclipse Collections (ex. Goldman Sachs GS Collections), Real Logic Agrona, OpenHFT Chronicle-Wire, LZ4 Java, and Adaptive Radix Trees. HFT optimized. Priority is a limit-order-move operation mean latency (currently ~0.5µs). Cancel operation takes ~0.7µs, placing new order ~1.0µs. -
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Keystone Engine
Keystone assembler framework: Core (Arm, Arm64, Hexagon, Mips, etc.)
...Multi-architecture, with support for Arm, Arm64 (AArch64/Armv8), Ethereum Virtual Machine, Hexagon, Mips, PowerPC, Sparc, SystemZ, & X86 (include 16/32/64bit). Clean/simple/lightweight/intuitive architecture-neutral API. Implemented in C/C++ languages, with bindings for Java, Masm, Visual Basic, C#, PowerShell, Perl, Python, NodeJS, Ruby, Go, Rust, Haskell & OCaml available. Native support for Windows & *nix (with Mac OSX, Linux, *BSD & Solaris confirmed). Thread-safe by design. Open-source. Keystone is based on LLVM, but it goes much further with a lot more to offer. This version fixes some important bugs inside the core of Keystone, added some new bindings & made some minor improvements. ... -
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xorm
xorm is a simple and powerful Go language ORM library
xorm is a simple and powerful Go language ORM library, through which database operations can be made very easy. This library is a customized and enhanced version based on the original xorm, which provides xorm with ibatis-like configuration files and dynamic SQL support, and supports ActiveRecord operations. This library is based on the customized and enhanced version of the original xorm. Since this customized version has third-party library dependencies (the original version of xorm does... -
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YARI is a comprehensive tool suite to debug (layouts), spy, spider, inspect and navigate SWT and Eclipse based application GUIs (Workbench or RCP) at runtime.
