Glossary: Letter J

Java Archive: a ZIP-based package format for distributing Java classes, metadata, and resources. Used to deploy Java applications and libraries.

Java KeyStore: a repository of security certificates and private keys used in Java applications for SSL/TLS authentication.

Joint Photographic Experts Group: the most widely used lossy image compression format for digital photographs. It achieves high compression ratios with adjustable quality levels.

A wavelet-based image compression standard offering both lossy and lossless modes. Used in digital cinema (DCI), medical imaging, and satellite imagery.

A next-generation image format offering both lossy and lossless compression with superior quality-to-size ratio. Supports HDR, wide gamut, animation, and progressive decoding.

JavaScript Object Notation: a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. JSON is the de facto standard for data exchange...

JSON for Linked Data: a method of encoding Linked Data using JSON. Used for structured data on websites (schema.org) and SEO.

JavaServer Pages: a server-side Java technology for creating dynamic web content by embedding Java code in HTML pages.

JavaScript XML: a syntax extension for JavaScript used by React to describe UI components using an HTML-like syntax within JavaScript code.

An ISO standard (ISO 14306) 3D data format developed by Siemens for visualization and data sharing of complex CAD assemblies.

JSON Web Token: an open standard (RFC 7519) for securely transmitting information between parties as a JSON object. JWTs are commonly used for authentication and authorization in web applications, con...

An open-source, end-to-end distributed tracing platform originally developed by Uber. Jaeger monitors and troubleshoots microservices-based architectures by tracking the flow of requests across servic...

A modern web architecture based on JavaScript, APIs, and Markup where sites are pre-rendered at build time and served from a CDN. Jamstack decouples the front end from the back end, improving performa...

A class-based, object-oriented programming language designed to have minimal implementation dependencies. Java runs on the Java Virtual Machine (JVM), enabling "write once, run anywhere" portability,...

A high-level, interpreted programming language that is one of the core technologies of the World Wide Web. JavaScript enables interactive web pages, runs in browsers and on servers (Node.js), and supp...

An open-source automation server widely used for building, testing, and deploying software. Jenkins supports CI/CD pipelines through a vast ecosystem of plugins and can be configured via declarative o...

Configuration file for Jest, the most popular JavaScript testing framework. Defines test patterns, coverage settings, and module resolution.

A modern template engine for Python inspired by Django templates. Jinja2 is the default templating engine for Flask, Ansible, and many other Python frameworks.

A data templating language extending JSON with variables, conditionals, loops, and functions. Used to generate JSON/YAML configuration files.

A high-level, high-performance programming language designed for numerical analysis and computational science. Julia combines the speed of C with the usability of Python, featuring multiple dispatch,...