shell 安装jdk

最新推荐文章于 2025-06-02 11:04:01 发布

AndyYuan10000

最新推荐文章于 2025-06-02 11:04:01 发布

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本文链接：https://blog.youkuaiyun.com/wwwyuanliang10000/article/details/53610579

本文介绍了一种通过shell脚本实现的卸载默认JDK并安装指定版本JDK的方法，并配置了环境变量。

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#!/bin/sh
for i in $(rpm -qa | grep jdk | grep -v grep)
do
  echo "Deleting rpm -> "$i
  rpm -e --nodeps $i
done

if [[ ! -z $(rpm -qa | grep jdk | grep -v grep) ]];
then 
  echo "-->Failed to remove the defult Jdk."
else 
  rpm -ivh jdk-8u111-linux-x64.rpm
fi

echo "export JAVA_HOME=/usr/java/jdk1.8.0_111
export JAVA_BIN=/usr/java/jdk1.8.0_111/bin
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME JAVA_BIN PATH CLASSPATH" >> /etc/profile
source /etc/profile
echo "-->JDK environment has been successed set in /etc/profile."