Ubuntu openJDK 配置

sudo apt-get install openjdk-8-jdk

sudo vim /etc/profile

export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_144 ## 这里要注意目录要换成自己解压的jdk 目录

export JRE_HOME=${JAVA_HOME}/jre 
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib 
export PATH=${JAVA_HOME}/bin:$PATH  

source /etc/profile
sudo update-alternatives –install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_60/bin/java 300
sudo update-alternatives –config java

 

sudo tar zxvf eclipse-cpp-oxygen-1a-linux-gtk-x86_64.tar.gz -C /opt

 

来源：https://www.cnblogs.com/ppCola/p/11161782.html