https://www.oracle.com/technetwork/java/archive-139210.html
linux下JDK下载方法
wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u111-b14/jdk-8u111-linux-x64.tar.gz
原文：https://blog.csdn.net/czkct/article/details/79489571
JDK1.8.0-181
https://download.oracle.com/otn/java/jdk/8u181-b13/96a7b8442fe848ef90c96a2fad6ed6d1/jdk-8u181-linux-x64.tar.gz