# Java Runtime Environment (JRE)

The software needed to run Java programs, including the JVM and standard libraries.

## What is **Java Runtime Environment (JRE)** in Java?

**Java Runtime Environment (JRE)** — The software needed to run Java programs, including the JVM and standard libraries.

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/java-runtime-environment-jre