java maven environment variable configuration ()

######### java home ########
export JAVA_HOME=/sea/softinstall/jdk1.8.0_172
export JRE_HOME=/sea/softinstall/jdk1.8.0_172/jre
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$CLASSPATH

 

########### maven home #######3
export MAVEN_HOME=/sea/softinstall/apache-maven-3.3.9

export PATH=${MAVEN_HOME}/bin:${PATH}