=====================安裝jdk==========================
mkdir /soft
上傳jdk的tar包
tar xf jdk-8u161-linux-x64.tar.gz
ll
mv jdk1.8.0_161/ /usr/local/
/usr/local/
cd /usr/local/
ll
vi ~/.bash_profile
JAVA_HOME=/usr/local/jdk1.8.0_161
export PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=$JAVA_HOME/jre/lib/ext:$JAVA_HOME/lib/tools.jar
export PATH JAVA_HOME CLASSPATH
source ~/.bash_profile
java -version
=================安裝maven======================
cd /soft
上傳的maven文件包
tar xf apache-maven-3.5.2-bin.tar.gz
mv apache-maven-3.5.2 /usr/local/maven-3.5.2
ln -s /usr/local/maven-3.5.2/ /usr/local/maven
cat >>~/.bash_profile<<EOF
export MAVEN_HOME=/usr/local/maven
export PATH=\$MAVEN_HOME/bin:\$PATH
EOF
source ~/.bash_profile
mvn -version