# Boolean

A boolean is a datatype that can only be either true or false.

## What is a **boolean**?

A **boolean** is a datatype that can only be either 
`true` or `false`.

Boolean is a basic or primitive data type that is 
available in every programming language.

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

Updated: October 15, 2026

## In other subjects

- [boolean in Java](https://www.ask-codey.com/glossary/boolean-java)

Source: https://www.ask-codey.com/glossary/boolean