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#!/bin/bash
#脚本与安装包需放在同一目录下
JDK_PATH=/usr/lib/jvm
JDK_HOME=$JDK_PATH/jdk1.8.0_73
echo "rpm -e java about openjdk....."
rpm -qa | grep openjdk | xargs rpm -e --nodeps
mkdir -p $JDK_PATH
if ! grep "/usr/lib/jvm/jdk1.8.0_73" /etc/profile
then
echo "tar jdk-8u73-linux-x64.tar.gz to /usr/lib/jvm"
tar -xvzf jdk-8u73-linux-x64.tar.gz -C $JDK_PATH
echo "#set java enviroment to /etc/profile"
echo "#set java enviroment" >> /etc/profile
echo "export JAVA_HOME=$JDK_HOME" >> /etc/profile
echo "export JRE_HOME=\$JAVA_HOME/jre" >> /etc/profile
echo "export CLASSPATH=.:\$JAVA_HOME/lib:\$JRE_HOME/lib" >> /etc/profile
echo "export PATH=\$PATH:\$JAVA_HOME/bin" >> /etc/profile
fi
source /etc/profile
clear
echo "jdk is installed !"
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