安装依赖包
yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel vim ntsysv
下载JDK
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/7u79-b15/jdk-7u79-linux-x64.rpm"
安装
chmod +x jdk-7u79-linux-x64.rpm
rpm -ivh jdk-7u79-linux-x64.rpm
设置环境变量
vim /etc/profile
添加到/etc/profile最后
JAVA_HOME=/usr/java/jdk1.7.0_79
CLASSPATH=$JAVA_HOME/lib/tools.jar
PATH=$JAVA_HOME/bin:$PATH export
source /etc/profile
验证
java -version
Java(TM) SE Runtime Environment (build 1.7.0_79)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)