内衣管理项目(继承应用)

 题目：实现一个内衣商城的内衣管理

1.定义一个内衣类

2.定义一个内衣管理类

(1).实现进货功能

(2).可以输出所有内衣的信息功能

3。使用继承实现一个可按单价排序输出所有内衣的功能

4.使用继承实现一个只输出女士内衣的功能

源码：import java.util.Arrays;

class UnderClothes{

public static void main(String args[]){

Shirt s1=new Shirt("保暖衣","男士",25.0f);

Shirt s2=new Shirt("保暖裤","男士",35.0f);

Shirt s3=new Shirt("保暖内衣","女士",99.0f);

Shirt s4=new Shirt("保暖服","女士",88.0f);

System.out.println("----------------女士内衣------------------");

WomenShirtManager ws=new WomenShirtManager();

ws.add(s1);

ws.add(s2);

ws.add(s3);

ws.add(s4);

Shirt[] h=ws.getShirt();

for(Shirt s:h){

System.out.println(s.getInfo());

}

}

}

class Shirt{

float price;

String name;

String sex;

public Shirt(String name,String sex,float price){

this.name=name;

this.sex=sex;

this.price=price;

}

public String getInfo(){

return sex+name+"内衣，只需RMB"+price;

}

}

class  ShirtManager{

private Shirt[] shirts =new Shirt[3];

private int count;

public void add(Shirt s){

if (count>=shirts.length){

int newlen=(shirts.length*3)/2+1;

shirts=Arrays.copyOf(shirts,newlen);

}

shirts[count]=s;

count++;

}

 

public Shirt[] getShirt(){

Shirt[] s=new Shirt[count];

for (int i=0;i

s[i]=shirts[i];

}

return s;

}

}

class PriceSortShirtManager extends ShirtManager{

public Shirt[] getShirt(){

Shirt[] sh=super.getShirt();

Shirt temp=null;

for(int i=0;i

for(int j=0;j

if (sh[j].price>sh[j+1].price){

temp=sh[j];

sh[j]=sh[j+1];

sh[j+1]=temp;

}

}

}

return sh;

}  

}

//女士内衣管理

class WomenShirtManager extends ShirtManager{

public Shirt[] getShirt(){

Shirt[] src=super.getShirt();

//创建对象用于存储女士内衣

ShirtManager sm=new ShirtManager();

for(int i=0;i

if ("女士".equals(src[i].sex)){

sm.add(src[i]);

}

}

return sm.getShirt();

}

}