Oracle Java JDK 21 下载所在及安装教程

Oracle JDK 21 官方所在
https://www.oracle.com/java/technologies/downloads/#java21

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1. Linux 版本

• ARM64 Compressed Archive
  https://download.oracle.com/java/21/latest/jdk-21_linux-aarch64_bin.tar.gz
  
• ARM64 RPM Package
  https://download.oracle.com/java/21/latest/jdk-21_linux-aarch64_bin.rpm
  
• x64 Compressed Archive
  https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.tar.gz
  
• x64 Debian Package
  https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.deb
  
• x64 RPM Package
  https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.rpm
  

Linux (x64) 环境 安装测试

1. wget https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.tar.gz -P /opt/software
2. tar -zxvf /opt/software/jdk-21_linux-x64_bin.tar.gz -C /opt/module
3. cat <<EOF> /etc/profile.d/jdk21.sh
4. export JAVA_HOME=/opt/module/jdk-21.0.4
5. export PATH=$PATH:$JAVA_HOME/bin
6. EOF
7. source /etc/profile.d/jdk21.sh
8. java -version

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2. Windows 版本

• https://download.oracle.com/java/21/latest/jdk-21_windows-x64_bin.zip
  
• https://download.oracle.com/java/21/latest/jdk-21_windows-x64_bin.exe
  
• https://download.oracle.com/java/21/latest/jdk-21_windows-x64_bin.msi
  

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