centos7:安装配置jdk
1、首先到官网下载jdk安装包
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
或者直接在linux命令行下载
wget http://download.oracle.com/otn-pub/java/jdk/8u181-b13/96a7b8442fe848ef90c96a2fad6ed6d1/jdk-8u181-linux-x64.rpm
2、rpm -ivh jdk-8u181-linux-x64.rpm
# 在/etc/profile文件最后面添加下面这几行,jdk具体的路径自己ls查一下
JAVA_HOME=/usr/java/jdk1.8.0_131
JAVA_BIN=/usr/java/jdk1.8.0_131/bin
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin:/bin:/sbin/
CLASSPATH=.:/lib/dt.jar:/lib/tools.jar
export JAVA_HOME JAVA_BIN PATH CLASSPATH
[[email protected] opt]# source /etc/profile
[[email protected] opt]# java -version