wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u92-b14/jdk-8u92-linux-i586.rpm"//下载
rpm -ivh jdk-8u92-linux-i586.rpm//安装
javac //可以看到内容展示表示成功，这个版本不需要配置环境变量