linux 安装java环境
sudo vi ~/.bashrc
再最后追加
export JAVA_HOME=/usr/java/jdk1.8.0_181 export JRE_HOME=${JAVA_HOME}/jre export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin export PATH=$PATH:${JAVA_PATH}
保存退出
source .bashrc
sudo vi /etc/profile
再最后追加
export JAVA_HOME=/usr/java/jdk1.8.0_181 export JRE_HOME=${JAVA_HOME}/jre export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin export PATH=$PATH:${JAVA_PATH}
保存退出
source /etc/profile