快速定位JDK安装位置

文章目录

快速定位JDK的位置,Linux下可执行命令:
Linux下:

$(dirname $(dirname $(readlink -f $(which javac))))

Mac下:

$(dirname $(readlink $(which javac)))/java_home


ps:设置JAVA环境变量

export JAVA_HOME=$(dirname $(dirname $(readlink -f $(which javac))))
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar