73 lines
1.3 KiB
Markdown
73 lines
1.3 KiB
Markdown
---
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title: java环境配置
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date: 2021-11-20
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updated: 2021-11-20
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tags:
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- java
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- linux
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categories:
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- linux
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- java
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keywords:
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- linux
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- java
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description: linux配置java环境
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top_img: https://i.loli.net/2021/11/20/oz2O9BwW38ZRbJV.jpg
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comments: true
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cover: https://i.loli.net/2021/11/20/oz2O9BwW38ZRbJV.jpg
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copyright: true
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copyright_author: xzh
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copyright_author_href: http://xxzhx.cn
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copyright_url: http://xxzhx.cn
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copyright_info: 著作权归作者所有。商业转载请联络作者获得授权，非商业转载请注明出处。
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---
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# linux配置java环境
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## 卸载可能存在的java环境
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```shell
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rpm -qa|grep java
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rpm -qa|grep jdk
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# 如果有就卸载掉
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rpm -e --nodeps java--1.8.xxx
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```
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## 下载java二进制包
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https://www.oracle.com/
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## 上传到服务器并解压
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```shell
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tar -zxvf jdk-8u311-linux-x64.tar.gz
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# 移动位置
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mv jdk1.8.0_311 /usr/local/
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```
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## 配置环境变量
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### 编辑配置文件
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```shell
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vim /etc/profile
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```
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### 添加环境变量配置
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```shell
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# JDK环境变量
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JAVA_HOME=/usr/local/jdk1.8.0_311
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CLASSPATH=.:$JAVA_HOME/lib:/dt.jar:$JAVA_HOME/lib/tools.jar
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PATH=$PATH:$JAVA_HOME/bin
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```
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### 刷新配置
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```shell
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source /etc/profile
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```
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