1.下载openjdkjava
wget https://download.java.net/java/GA/jdk11/13/GPL/openjdk-11.0.1_linux-x64_bin.tar.gzlinux
2.解压openjdk.net
tar zxvf openjdk-11.0.1_linux-x64_bin.tar.gzget
3.配置环境变量(/etc/profile)it
JAVA_HOME=/usr/local/src/jdk-11.0.1table PATH=$PATH:$JAVA_HOME/bin:class CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar变量 export JAVA_HOME PATH CLASSPATHjdk |
使修改生效配置
[root@admin local]# source /etc/profile //使修改当即生效 |
查看系统环境状态
[root@admin ~]# echo $PATH |