java--面向对象之多态2
来源:互联网 发布:c 定义结构体数组 编辑:程序博客网 时间:2024/06/05 20:49
案例一:
BookStore:
package BookStore;
public class BookStore {
private String name;
public void bookType(){
}
}
XHBookStore:
package BookStore;
public class XHBookStore extends BookStore {
@Override
public void bookType() {
System.out.println("售卖中小学生读物");
}
}
DYBookStore:
package BookStore;
public class DYBookStore extends BookStore {
@Override
public void bookType() {
System.out.println("售卖中学生杂志读物");
}
}
Student:
package BookStore;
public class Student {
public void buy(BookStore book){
book.bookType();
}
}
Test:
package BookStore;
import org.junit.Test;
public class Jtest {
@Test
public void test(){
BookStore bk1=new XHBookStore();
BookStore bk2=new DYBookStore();
Student stu1=new Student();
stu1.buy(bk1);
Student stu2=new Student();
stu2.buy(bk2);
}
}
案例二:
Animal :
package LadysPet;
public class Animal {
public String name;
public Animal(String name) {
this.name = name;
}
public void enjoy(){
System.out.println("dongwudeenjoyways");
}
}
Cat:
package LadysPet;
public class Cat extends Animal {
public String eyecolor;
public Cat(String name, String eyecolor) {
super(name);
this.eyecolor = eyecolor;
}
@Override
public void enjoy() {
System.out.println("喵喵。。。");
}
@Override
public String toString() {
return "我是一只猫,"+this.name+"是我的名字,我眼睛的颜色是"+this.eyecolor;
}
}
Dog:
package LadysPet;
public class Dog extends Animal {
public String furcolor;
public Dog(String name, String furcolor) {
super(name);
this.furcolor = furcolor;
}
@Override
public void enjoy() {
System.out.println("汪汪汪。。。");
}
@Override
public String toString() {
return "我是一只狗,"+this.name+"是我的名字,我的毛色是"+this.furcolor;
}
}
Lady:
package LadysPet;
public class Lady {
private String name;
///private Animal pet;
public Lady(String name) {
this.name = name;
//this.pet = pet;
}
public void enjoy233(Animal pet){
pet.enjoy();
}
}
Test:
package LadysPet;
import org.junit.Test;
public class Jtest {
@Test
public void test(){
Dog d=new Dog("金毛", "yellow");
Cat c=new Cat("mimi", "black");
Lady mary=new Lady("Maty");
Lady lucy=new Lady("lucy");
mary.enjoy233(d);
lucy.enjoy233(c);
}
}
- java--面向对象之多态2
- JAVA-面向对象之多态
- Java面向对象之多态
- Java面向对象之多态
- JAVA面向对象之多态
- java面向对象之多态
- Java面向对象之多态
- java面向对象之多态
- Java面向对象之多态
- Java面向对象之多态
- Java记录 -14- 面向对象之多态
- 0811 Java面向对象特征之多态
- Java面向对象编程之多态(polymorphism)
- java面向对象(五)之多态
- Java面向对象四大特性之多态
- java--面向对象之多态1
- java--面向对象之多态3
- 面向对象之多态
- ubuntu设置系统语言 locale
- 字符串的操作
- 解决汽车加油问题
- jquery之animate()和css3 animation属性的本质区别
- HashMap,LinkedHashMap,TreeMap的有序性
- java--面向对象之多态2
- SSL P2278 Oliver的救援
- springcloud实战之5 服务消费者(ribbon)
- 可变参数浅析
- DecimalFormat类使用
- Bootstrap简介
- 微信小程序—picker(滚动选择器)
- Redis 一、数据结构与对象--五大数据类型的底层结构实现
- [CQOI2016]不同的最小割