Ubuntu 安装JDK8

sudo apt-get install openjdk-8-jdk

sudo gedit ~/.bashrc
在尾部加入
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export JRE_HOME=${
    
    JAVA_HOME}/jre
export CLASSPATH=.:${
    
    JAVA_HOME}/lib:${
    
    JRE_HOME}/lib
export PATH=${
    
    PATH}:${
    
    JAVA_HOME}/bin

source ~/.bashrc

完工