---
title: 'Java, Kotlin, and Scala'
description: 'Java, Kotlin, and Scala — Zena documentation.'
status: Draft
statusType: warning
---

::: warning Placeholder
This page hasn't been written yet. The headings below are the planned outline —
see `src/_data/sidebar.js` for the full content plan.
:::

## Classes and sealed hierarchies

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## Case classes and pattern matching

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## Expression orientation

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## Cheat sheet

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