CentOS安装Java环境

下载jdk x64 Compressed Archive
把文件放/usr/local

cd /usr/local

解压

tar -zxvf jdk-8u351-linux-x64.tar.gz

编辑

vim /etc/profile

尾部添加

# JDK1.8
export JAVA_HOME=/usr/local/jdk1.8.0_351
export NODE_HOME=/usr/local/node
export PATH=$JAVA_HOME/bin:$NODE_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

使生效

source /etc/profile