# 执行 ./jdk-down.sh 进行下载&解压
#wget https://download.oracle.com/otn/java/jdk/8u202-b08/1961070e4c9b4e26a04e7f5a083f551e/jdk-8u202-linux-x64.tar.gz
#tar -zxvf jdk-8u202-linux-x64.tar.gz