Centos7 JDK1.8 安装配置

一.下载JDK1.8

wget https://download.oracle.com/otn-pub/java/jdk/8u201-b09/42970487e3af4f5aa5bca3f542482c60/jdk-8u201-linux-x64.tar.gz?AuthParam=1550379461_daae50d8289e1a005f21ff6469dbfe36

tar -zvxf jdk-8u201-linux-x64.tar.gz?AuthParam=1550379461_daae50d8289e1a005f21ff6469dbfe36
mv jdk1.8.0_201/ /usr/local/

二.配置/etc/profile

vim /etc/profile

export JAVA_HOME=/usr/local/jdk1.8.0_201
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

#保存后执行：source /etc/profile


#执行: java -version
提示如下，则成功!
java version "1.8.0_201"
Java(TM) SE Runtime Environment (build 1.8.0_201-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.201-b09, mixed mode)