Linux Java 安装

1.解压缩Java

tar -zxvf jdk-8u151-linux-x64.tar.gz

2.配置环境变量

vi /etc/profile

set java environment
JAVA_HOME=/usr/local/java/jdk1.8.0_301        
JRE_HOME=/usr/local/java/jdk1.8.0_301/jre     
CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export JAVA_HOME JRE_HOME CLASS_PATH PATH

3.加载配置

source /etc/profilec

4.测试

java -version