1、 java 环境变量 path 的作用是在本地路径下创建一个文件夹,用于存放当前 java 程序的可执行文件。
2、 path 的默认值是:% JAVA_ HOME%\ bin;% JAVA_ HOME%\ lib;% JAVA_ HOME%\ jre;% JAVA_ HOME%\ org. apache. catalina. env;% JAVA_ HOME%\ libtools;% JAVA_ HOME%\ tools;% JAVA_ HOME%\ classes;% JAVA_ HOME%\ localhost;% JAVA_ HOME%\ etc;% JAVA_ HOME%\ profile;% JAVA_ HOME%\ home;% JAVA_ HOME%\ default;% JAVA_ HOME%\ users;% JAVA_ HOME%\电脑名称;% JAVA_ HOME%\ system32;% JAVA_ HOME%\ drivers;% JAVA_ HOME%\ etc\*.*;% JAVA_ HOME%\ tmp;% JAVA_ HOME%\ temp;% JAVA_ HOME%\ src