是的，谷歌又要关闭服开发者_StackOverflow务了，这次是谷歌版主。现在登录谷歌版主，页面会显示关机公告。
If you have a class named \"User\" and another class named \"Admin\" that extends \"User\",开发者_JAVA百科 and you want Admin to inherit all attributes,methods from User, except for the __construct me
加载中,请稍侯......