# openjdk@21 をインストール

openjdk@21 のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:openjdk@21
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install openjdk@21
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install openjdk21
```

  証拠: MacPorts ports tree: java/openjdk21/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add openjdk21
```

  証拠: Alpine Linux edge package indexes: openjdk21 from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

- Nix (92%):

```sh
nix profile install nixpkgs#openjdk21
```

  証拠: nixpkgs package indexes: openjdk21 from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix

### Windows

- Chocolatey (92%):

```sh
choco install openjdk
```

  証拠: Chocolatey community package catalog: openjdk from http://community.chocolatey.org/api/v2/Packages?$filter=IsLatestVersion&$select=Id&$top=1000&$skiptoken='11','ojdkbuild8'

- winget (92%):

```sh
winget install --id Microsoft.OpenJDK.17 -e
```

  証拠: Windows Package Manager source index: Microsoft.OpenJDK.17 from https://cdn.winget.microsoft.com/cache/source.msix

## パッケージ情報

- **パッケージキー:** brew:openjdk@21
- **パッケージマネージャ:** Homebrew
- **パッケージマネージャページ:** <https://formulae.brew.sh/formula/openjdk@21>
- **バージョン:** 21.0.11
- **ソース概要:** Development kit for the Java programming language
- **ホームページ:** <https://openjdk.org/>
- **リポジトリ:** <https://github.com/openjdk/jdk21u>
- **上流ドキュメント:** <https://openjdk.org/>
- **ライセンス:** GPL-2.0-only WITH Classpath-exception-2.0
- **ソースアーカイブ:** <https://github.com/openjdk/jdk21u/archive/refs/tags/jdk-21.0.11-ga.tar.gz>
- **更新:** 2026-05-02T11:34:20+03:00
- **生成ソース:** 2026-05-26T17:25:59+00:00

## 依存関係

- freetype
- giflib
- harfbuzz
- jpeg-turbo
- libpng
- little-cms2

## ビルド依存関係

- autoconf
- pkgconf

## macOS 提供ライブラリ

- cups
- unzip
- zip

## インストール挙動

- post-install フック: 未定義
- Caveats: For the system Java wrappers to find this JDK, symlink it with sudo ln -sfn $HOMEBREW_PREFIX/opt/openjdk@21/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk-21.jdk
- Bottle: 利用可能 対象 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux

## 鮮度

- ページ生成日: 2026-05-26
- マネージャ版: 21.0.11
- マネージャ更新日: 2026-05-02
- ローカルデータ: ok
- 上流リポジトリ: https://github.com/openjdk/jdk21u
- info: No cached GitHub release or tag data was available.

## セキュリティノート

Java runtime and development kit.

- **Geiger リスク:** yellow / high
- Java runtime and development kit

## 関連リンク

- [harfbuzz](https://www.automicvault.com/pkg/brew/harfbuzz/) - Runtime dependency declared by Homebrew.
- [libpng](https://www.automicvault.com/pkg/brew/libpng/) - Runtime dependency declared by Homebrew.
- [jpeg-turbo](https://www.automicvault.com/pkg/brew/jpeg-turbo/) - Runtime dependency declared by Homebrew.
- [freetype](https://www.automicvault.com/pkg/brew/freetype/) - Runtime dependency declared by Homebrew.
- [little-cms2](https://www.automicvault.com/pkg/brew/little-cms2/) - Runtime dependency declared by Homebrew.
- [giflib](https://www.automicvault.com/pkg/brew/giflib/) - Runtime dependency declared by Homebrew.
- [pkgconf](https://www.automicvault.com/pkg/brew/pkgconf/) - Build dependency declared by Homebrew.
- [autoconf](https://www.automicvault.com/pkg/brew/autoconf/) - Build dependency declared by Homebrew.
- [bazel](https://www.automicvault.com/pkg/brew/bazel/) - Popular package that depends on this formula.
- [ghidra](https://www.automicvault.com/pkg/brew/ghidra/) - Popular package that depends on this formula.
- [jenkins-lts](https://www.automicvault.com/pkg/brew/jenkins-lts/) - Popular package that depends on this formula.
- [apache-spark](https://www.automicvault.com/pkg/brew/apache-spark/) - Popular package that depends on this formula.
- [jmeter](https://www.automicvault.com/pkg/brew/jmeter/) - Popular package that depends on this formula.
- [neo4j](https://www.automicvault.com/pkg/brew/neo4j/) - Popular package that depends on this formula.
- [jenkins](https://www.automicvault.com/pkg/brew/jenkins/) - Popular package that depends on this formula.
- [gradle@8](https://www.automicvault.com/pkg/brew/gradle-8/) - Popular package that depends on this formula.
- [openjdk](https://www.automicvault.com/pkg/brew/openjdk/) - Package name indicates the same formula family.
- [openjdk@17](https://www.automicvault.com/pkg/brew/openjdk-17/) - Package name indicates the same formula family.
- [openjdk@11](https://www.automicvault.com/pkg/brew/openjdk-11/) - Package name indicates the same formula family.
- [openjdk@8](https://www.automicvault.com/pkg/brew/openjdk-8/) - Package name indicates the same formula family.
- [openjdk@25](https://www.automicvault.com/pkg/brew/openjdk-25/) - Package name indicates the same formula family.
- [Secret-risk packages](https://www.automicvault.com/pkg/secret-risk-packages/)

## ソース

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- package version freshness
- package relationship graph
- cross-ecosystem install command graph