IT Glossary - J - ITU Online IT Training
Service Impact Notice: Due to the ongoing hurricane, our operations may be affected. Our primary concern is the safety of our team members. As a result, response times may be delayed, and live chat will be temporarily unavailable. We appreciate your understanding and patience during this time. Please feel free to email us, and we will get back to you as soon as possible.

IT Glossary
Key Terms To Know In The IT Industry

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

JavaScript Module Loader

A mechanism for loading modules or libraries in JavaScript applications, allowing for modular and organized code development.

You will find this term commonly used in Web Development, Programming

JavaScript Object Notation (JSON)

A lightweight data-interchange format that is easy for humans to read and write, and easy for machines to parse and generate.

You will find this term commonly used in Web Development, Data Interchange

JavaScript Object Notation for Linked Data (JSON-LD)

A method of encoding Linked Data using JSON, enabling easier sharing and connecting of data across the web.

You will find this term commonly used in Data Interchange, Web Development

JavaScript Single Page Application (SPA)

A web application or website that interacts with the user by dynamically rewriting the current page rather than loading entire new pages from the server.

You will find this term commonly used in Web Development, User Experience

JAX-RPC (Java API for XML-Based RPC)

A Java API that allows Java software to perform Remote Procedure Calls (RPC) using XML-based protocols.

You will find this term commonly used in Web Services, Java

JAX-RS (Java API for RESTful Web Services)

Provides support in creating web services according to the Representational State Transfer (REST) architectural pattern.

You will find this term commonly used in Web Development, APIs

JAX-WS (Java API for XML Web Services)

A set of APIs for creating web services in XML format.

You will find this term commonly used in Web Development, APIs

JAXB (Java API for XML Binding)

Enables Java developers to map Java classes to XML representations.

You will find this term commonly used in Software Development, Data Interchange

JAXB (Java Architecture for XML Binding)

Allows Java developers to map Java classes to XML representations.

You will find this term commonly used in Software Development, Data Interchange

JAXP (Java API for XML Processing)

Provides the capability for reading, writing, and manipulating XML data using Java.

You will find this term commonly used in Web Development, Data Processing

JBIG2

An image compression standard for bi-level images, designed for compressing documents to a smaller size than is achievable with other methods.

You will find this term commonly used in Document Management, Compression

JBoss

An open-source Java EE-based application server runtime that is used for building, deploying, and hosting highly-transactional Java applications and services.

You will find this term commonly used in Enterprise Computing, Application Deployment

JBoss EAP (Enterprise Application Platform)

A subscription-based/open-source Java EE-based application server runtime for building, deploying, and hosting highly-transactional Java applications and services.

You will find this term commonly used in Enterprise Computing, Application Deployment

JBuilder

An integrated development environment (IDE) for the Java programming language.

You will find this term commonly used in Software Development, Java

JCE (Java Cryptography Extension)

A framework that enables encryption, key generation, and key agreement, and Message Authentication Code (MAC) algorithms.

You will find this term commonly used in Security, Software Development

JCL (Job Control Language)

A language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem.

You will find this term commonly used in Mainframe Computing, System Management

JConsole

A graphical monitoring tool to monitor Java Virtual Machine (JVM) and Java applications both on a local or remote machine.

You will find this term commonly used in Performance Monitoring, Java

JCR (Java Content Repository)

An API designed for content management systems to standardize how data is stored and accessed.

You will find this term commonly used in Content Management, Web Development

JD (Java Decompiler)

A decompiler for Java that reconstructs the original source code from compiled binary CLASS files.

You will find this term commonly used in Software Development, Java

JDBC (Java Database Connectivity)

An API for the Java programming language that defines how a client may access a database.

You will find this term commonly used in Database Management, Software Development

JDK (Java Development Kit)

A software development environment used for developing Java applications and applets.

You will find this term commonly used in Software Development, Programming

JDOM

A Java-based document object model for XML that represents XML documents for easy and efficient reading, manipulation, and writing.

You will find this term commonly used in Data Interchange, Software Development

JDWP (Java Debug Wire Protocol)

A protocol used for communication between a debugger and the Java virtual machine (JVM) being debugged.

You will find this term commonly used in Debugging, Java

JEDEC

A global industry group that develops open standards for microelectronics, including memory standards.

You will find this term commonly used in Hardware Development, Standards

JEE (Java Platform, Enterprise Edition)

A set of specifications, extending Java SE with specifications for enterprise features such as distributed computing and web services.

You will find this term commonly used in Enterprise Computing, Java

Jekyll

A simple, blog-aware, static site generator for personal, project, or organization sites.

You will find this term commonly used in Web Development, Content Management

Jekyll Themes

Pre-designed templates to quickly create and publish web pages using Jekyll, a simple, blog-aware, static site generator.

You will find this term commonly used in Web Development, Content Management

Jenkins

An open source automation server written in Java that helps automate the parts of software development related to building, testing, and deploying.

You will find this term commonly used in Continuous Integration/Continuous Deployment (CI/CD), Software Development

Jenkins Blue Ocean

A user experience designed to make Jenkins and continuous delivery more approachable and usable.

You will find this term commonly used in CI/CD, Software Development

Jenkins Pipeline

A suite of plugins that supports implementing and integrating continuous delivery pipelines into Jenkins.

You will find this term commonly used in CI/CD, Software Development

Jenkins Plugins

Add-ons for Jenkins that extend its use with new features, integrations, and user interface improvements, contributing to Jenkins' versatility in continuous integration and delivery setups.

You will find this term commonly used in CI/CD, Software Development

Jenkins X

An open-source project for continuous delivery automation, leveraging Kubernetes, Helm, and Docker for cloud-native applications.

You will find this term commonly used in CI/CD, Cloud Computing

Jenkinsfile

A text file that contains the definition of a Jenkins Pipeline and is checked into source control.

You will find this term commonly used in CI/CD, Version Control

Jest

A delightful JavaScript Testing Framework with a focus on simplicity, supporting projects using Babel, TypeScript, Node, React, Angular, Vue, and more.

You will find this term commonly used in Software Testing, Web Development

Jetty

A Java HTTP (Web) server and Java Servlet container.

You will find this term commonly used in Web Servers, Java

JEXL (Java Expression Language)

A library intended to facilitate the implementation of scripting features in applications and frameworks written in Java.

You will find this term commonly used in Software Development, Scripting

JFrog

A company that offers tools for version control, repository management, and CI/CD, such as Artifactory and Xray.

You will find this term commonly used in DevOps, Software Development

JFrog Artifactory

A universal artifact repository manager that supports software packages created by any language or technology.

You will find this term commonly used in DevOps, Software Development

JFrog Bintray

A platform for storing and distributing software binaries.

You will find this term commonly used in Software Distribution, DevOps

JGroups

A toolkit for reliable multicast communication in Java (can be used to create clusters).

You will find this term commonly used in Networking, Distributed Systems

JHipster

A development platform to generate, develop, and deploy Spring Boot + Angular/React/Vue web applications and Spring microservices.

You will find this term commonly used in Web Development, Software Development

JHipster Domain Language (JDL)

A JHipster-specific domain language that allows defining the applications, entities, relationships, and options in a single domain file.

You will find this term commonly used in Application Generation, Software Development

JHipster Registry

A runtime application on which all applications and microservices register and get their configuration from, using Netflix's Eureka and Spring Cloud Config.

You will find this term commonly used in Microservices, Cloud Computing

Jini

A set of network protocols that enables seamless distributed computing by allowing the devices and software components to network themselves.

You will find this term commonly used in Networking, Distributed Computing

JIRA

A proprietary issue tracking product that allows bug tracking and agile project management.

You will find this term commonly used in Project Management, Software Development

JIRA Agile

An add-on for JIRA, designed to facilitate agile project management, including scrum and kanban boards.

You will find this term commonly used in Project Management, Software Development

Jira Plugins

Extensions for Atlassian Jira to add new features or integrate with other tools.

You will find this term commonly used in Project Management, Extensions

Jira Service Desk

An IT service management solution that brings IT teams and business teams together to solve customers’ needs.

You will find this term commonly used in IT Service Management, Customer Support

JIRA Software

A project management tool developed by Atlassian that supports any agile methodology, be it scrum, kanban, or your own unique flavor.

You will find this term commonly used in Project Management, Agile Development

Jira Workflows

The configurable processes in Jira that define the lifecycle of issues, from creation to resolution.

You will find this term commonly used in Project Management, Workflow Management

What's Your
Career Path?
Information Security Analyst Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
58 Hrs 1 Min
icons8-video-camera-58
225 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
Comprehensive IT User Support Specialist Training: Accelerate Your Career

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
128 Hrs 51 Min
icons8-video-camera-58
621 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
Data Analyst Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
56 Hrs 45 Min
icons8-video-camera-58
358 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
Certified Ethical Hacker Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
129 Hrs 51 Min
icons8-video-camera-58
807 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
IT Manager’s Survival Bundle Training Series – 10 Courses

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
174 Hrs 15 Min
icons8-video-camera-58
773 On-demand Videos

Original price was: $179.00.Current price is: $47.40.

Add To Cart
Pentester Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
100 Hrs 16 Min
icons8-video-camera-58
430 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
Leadership Mastery: The Executive Information Security Manager

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
95 Hrs 34 Min
icons8-video-camera-58
348 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
Entry Level Information Security Specialist Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
113 Hrs 4 Min
icons8-video-camera-58
513 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
Network Security Analyst Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
111 Hrs 24 Min
icons8-video-camera-58
518 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
IT Project Manager Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
36 Hrs 58 Min
icons8-video-camera-58
151 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart
ICD 9, ICD 10, ICD 11 : Medical Coding Specialist Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
37 Hrs 56 Min
icons8-video-camera-58
193 On-demand Videos

Original price was: $99.00.Current price is: $29.00.

Add To Cart
Google DevOps Engineer Career Path

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Total Hours
43 Hrs 22 Min
icons8-video-camera-58
479 On-demand Videos

Original price was: $129.00.Current price is: $51.60.

Add To Cart

Cyber Monday

70% off

Our Most popular LIFETIME All-Access Pass