jdk21下载、安装详细教程(Windows、Linux、macOS)

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《jdk21下载、安装详细教程(Windows、Linux、macOS)》本文介绍了OpenJDK21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...

1、官网

官网地址：OpenJDK

下载地址：Archived OpenJDK GA Releases

2、下载openjdk

jdk21下载、安装详细教程(Windows、Linux、macOS)

> wget https://download.Java.net/java/GA/jdk21.0.2/f2283984656d49d69e91c558476027acwww.chinasem.cn/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: ‘openandroidjdk-21.0.2_linux-x64_bin.tar.gz'
1python00%[=======================================================================================================================>] 203,616,881 7.44MB/s   ingUygmghMwk 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 vejsrsion "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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