jdk21下载、安装详细教程(Windows、Linux、macOS)
作者：xixingzhe2
本文介绍了OpenJDK 21的下载地址和安装步骤,包括Windows、Linux和macOS平台,下载后解压并设置环境变量,最后验证安装,感兴趣的朋友一起看看吧
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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