package Li;public class Person { String name;public Person() {super(); }public Person(String name) {super();this.name = name; }public void eat(){System.out.println(name+"正在吃面包"); } }package Li;public class Student extends Person {public Student(String name) {super(name);} public void eat(){System.out.println(this.name+"正在食堂吃早點"); }}package Li;public class Famer extends Person {public Famer(String name) {super(name);// TODO Auto-generated constructor stub }public void eat(){System.out.println("我是農民"+name+"正在吃西瓜"); } }package Li;public class Test {/*** @param args*/public static void main(String[] args) {// TODO Auto-generated method stub Person p; p=new Student("李華"); p.eat(); p=new Famer("袁隆平"); p.eat();p=new Person("雷鋒"); p.eat();}}

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轉載于:https://www.cnblogs.com/zyy1130/p/6696301.html

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