#! /bin/bash
#run by root
PACKAGE=jdk1.8.0_202.tar.gz
jdk_dir=jdk1.8.0_202
mkdir /usr/local/java
tar zvxf ${PACKAGE}
mv ${jdk_dir} /usr/local/java
echo 正在添加变量
echo ''>>/etc/profile
echo "export JAVA_HOME=/usr/local/java/${jdk_dir}">>/etc/profile
echo 'export PATH=$JAVA_HOME/bin:$PATH'>>/etc/profile
echo 'export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar'>>/etc/profile
echo 安装成功!
echo 请执行下列命令,让其生效
echo source /etc/profile
exit 0