apt-cache search openjdk安装
sudo apt-get install openjdk-8-jdk -y配置环境变量, 编辑如下文件:
vim ~/.bashrc在最后一行加:
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 export PATH=$JAVA_HOME/bin:$PATH export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
