#!/bin/bash function jdk_install { tar xf jdk-8u101-linux-x64.tar.gz mv jdk1.8.0_101 /usr/local/jdk echo 'export JRE_HOME=/usr/local/jdk' >> /etc/profile echo 'export JAVA_BIN=/usr/local/jdk/bin' >> /etc/profile echo 'export PATH=$JRE_HOME/bin:$PATH' >> /etc/profile echo 'export CLASSPATH=.:$JRE_HOME/lib/dt.jar:$JRE_HOME/lib/tools.jar' >> /etc/profile echo 'export JRE_HOME JAVA_BIN PATH CLASSPATH' >> /etc/profile . /etc/profile } jdk_install