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JDK 18 Download

JDK 18 download — the short-term feature release of Java
Version 18Size ~180 MBDevelopment免费 · 开源(GPL)
OverviewHighlightsRequirementsInstallFAQAlternativesLicense
Download official releaseOfficial website

Overview

JDK 18 (March 2022) adds UTF-8 by default and a simple web server — great for trying features, while LTS stays on 17/21 for production.

Highlights

Requirements

1Windows 10+ / macOS / Linux
2~180 MB disk
3No dependencies
•Version 18 · Size ~180 MB

Install

  1. Download the JDK 18 archive
  2. Extract to its own folder
  3. Switch JAVA_HOME as needed
  4. Keep 17 LTS for production

FAQ

How to download JDK 18?

Use the official download button above to get the package (~180 MB) from the official channel — avoid third-party bundle sites.

Is JDK 18 free?

免费 · 开源(GPL)

How to use JDK 18?

After installing per the steps below, get started: Download the JDK 18 archive

JDK 18 not working — how to fix?

No long-term updates — use 17/21 LTS in production; 18 is for feature trials.

Is JDK 18 production-ready?

No long-term updates — use 17/21 LTS in production; 18 is for feature trials.

Any JDK 18 alternatives?

See the alternatives table below and pick the tool that fits your scenario.

Alternatives

Claude CodeAnthropic terminal coding agent
GitHub Copilot CLICopilot command line
AiderGit-focused AI pair programmer
Gemini CLIGoogle's terminal agent

License

License: 免费 · 开源(GPL)

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