linux jdk 安装

tar -xvf jdk-8u121-linux-x64.tar.gz

 

sudo mv jdk1.8.0_121/ /usr/lib/jdk1.8.0_121

 

sudo chown -R root:root jdk1.8.0_121

 

sudo ln -s jdk1.8.0_121 jdk

 

sudo vim /etc/profile

 

# add jdk

export JAVA_HOME=/usr/lib/jdk

export JRE_HOME=$JAVA_HOME/jre

export CLASSPATH=.:$JAVA_HOME/lib

export PATH=$JAVA_HOME/bin:$PATH

 

source /etc/profile