package com.inmind.extends01; /* 继承的格式和和基本使用 public class Fu{ } public class Zi extends Fu{ } 继承的特点:子类拥有父类的所有内容,除了被private和构造方法。 继承的好处:实现多个类中相同内容的复用,子类可以实现各自的不同功能需求!!!! */ public class Demo01 { public static void main(String[] args) { //创建一个班主任对象 BanZhuRen bzr = new BanZhuRen(); bzr.age = 20; bzr.name = "张三"; bzr.salary = 5000.0; bzr.eat(); Teacher teacher = new Teacher(); teacher.age = 20; teacher.name = "张三"; teacher.salary = 5000.0; teacher.eat(); } }