Ubuntu16.04 install jdk-8u144-linux-x64.tar.gz

0.卸载JDK：apt-get purge *jdk*

1.下载JDK：http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
2.解压JDK：tar zxvf jdk-8u144-linux-x64.tar.gz
3.移动JDK：sudo mv jdk1.8.0_144 /opt/jdk

4.环境变量：

cd /etc/profile.d

sudo vim java-env.sh

 

export JAVA_HOME=/opt/jdk
export PATH=$PATH:$JAVA_HOME/bin

 

echo $JAVA_HOME

echo $PATH
source java-env.sh

echo $JAVA_HOME

echo $PATH

5.检测JDK：java -version