1,下载JAVA,官方java 18下载网站:https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html 2,新建java存放目录 sudo mkdir /usr/local/java 3,切换到新建的java目录,将下载的JAVA源码放到里面 cd /usr/local/java 4,解压下载的JAVA源码 sudo tar -zxvf jdk-8u231-linux-x64.tar.…