安装
#!/bin/sh
echo '------------------------------install jdk----------------------------------'
if [ -d /usr/local/jdk-11 ];then
echo "jdk has installed"
else
jdk=`rpm -qa|grep -i jdk`
echo "has jdk: $jdk"
for element in $jdk
do
rpm -e --noscripts --nodeps $element
done
tar -zxvf openjdk-11+28_linux-x64_bin.tar.gz -C /usr/local
echo 'export JAVA_HOME=/usr/local/jdk-11' >> /etc/profile
echo 'export CLASSPATH=$JAVA_HOME/lib:$CLASSPATH' >> /etc/profile
echo 'export PATH=$JAVA_HOME/bin:$PATH' >> /etc/profile
source /etc/profile
java -version
fi
卸载
#!/bin/sh
rm -rf /usr/local/jdk-11