我要评论1、官网
官网地址：openjdk
下载地址：archived openjdk ga releases
2、下载openjdk
> wget https://download.java.net/java/ga/jdk21.0.2/f2283984656d49d69e91c558476027ac/13/gpl/openjdk-21.0.2_linux-x64_bin.tar.gz --2024-12-21 11:40:20-- https://download.java.net/java/ga/jdk21.0.2/f2283984656d49d69e91c558476027ac/13/gpl/openjdk-21.0.2_linux-x64_bin.tar.gz resolving download.java.net (download.java.net)... 23.40.24.114 connecting to download.java.net (download.java.net)|23.40.24.114|:443... connected. http request sent, awaiting response... 200 ok length: 203616881 (194m) [application/x-gzip] saving to: ‘openjdk-21.0.2_linux-x64_bin.tar.gz' 100%[=======================================================================================================================>] 203,616,881 7.44mb/s in 24s 2024-12-21 11:40:45 (8.18 mb/s) - ‘openjdk-21.0.2_linux-x64_bin.tar.gz' saved [203616881/203616881]
3、安装
解压
> tar zxvf openjdk-21.0.2_linux-x64_bin.tar.gz # 复制到/user/local目录下 > mv jdk-21.0.2 /usr/local/jdk21
设置环境变量
vim /etc/profile
export java_home=/usr/local/jdk21 export path=$path:$java_home/bin
4、验证
> java -version openjdk version "21.0.2" 2024-01-16 openjdk runtime environment (build 21.0.2+13-58) openjdk 64-bit server vm (build 21.0.2+13-58, mixed mode, sharing)
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