# JAR File

A ZIP-based archive that packages Java classes and related resources.

## What is **JAR File** in Java?

**JAR File** — A ZIP-based archive that packages Java classes and related resources.

Level: Freelancer · [More Java terms at this level](https://www.ask-codey.com/glossary/subjects/java/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/jar-file