centos7手动安装java环境

一、解压安装包

tar -zxvf jdk-8u211-linux-x64.tar.gz
# mv jdk1.7.0_76/ /usr/local/java

二、配置环境变量

vi /etc/profile

export JAVA_HOME=/usr/local/java
export PATH=$JAVA_HOME/bin:$PATH
source /etc/profile

三、查看版本号

java -version

java version "1.7.0_76”
Java(TM) SE Runtime Environment (build 1.7.0_76-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.76-b04, mixed mode)