1、下载jdk
https://www.oracle.com/java/technologies/downloads/#java8
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上传到centos系统
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2、解压
tar -zxvf jdk-8u361-linux-x64.tar.gz #解压至当前目录
解压后效果如下
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3、配置环境变量
vim /etc/profile
export JAVA_HOME=/developer/jdk1.8.0_361/
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JRE_HOME=$JAVA_HOME/jre
source /etc/profile
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