java编程题，求解

ϖ 开一家文体用品店shop,包括店名，店长名，资金
ϖ 体育用品sportsgoods，包括产品包括名称，厂家，型号，定价，销价
ϖ 办公用品officesupplies 包括产品包括名称，厂家，型号，定价，销价
（1）实现实体店一家
（2）体育用品实现一个继承类：跑步机
（3）办公用品实现一个继承类：打印机
资金量充足，实现进货（跑步机，打印机），销货（跑步机，打印机），实现
对资金的操作

5 个解决方案

#1

该回复于2017-05-07 14:35:53被管理员删除

#2

#3

public class  Test{
public static void main(String [] args){
// （1）实现实体店一家
Shop shop = new Shop("安踏","张三",200000.0);
// 资金量充足，实现进货（跑步机，打印机），销货（跑步机，打印机），实现
// 对资金的操作
shop.进货(new 跑步机("nike","北京东方","8087L",5000.5,8000.7));
shop.进货(new 打印机("阿迪","上海东方","7985M",2000.5,3000.7));
shop.销货(new 跑步机("nike","北京东方","8087L",5000.5,8000.7));
shop.销货(new 打印机("阿迪","上海东方","7985M",2000.5,3000.7));
shop.收入(new 跑步机("nike","北京东方","8087L",5000.5,8000.7));
shop.收入(new 打印机("阿迪","上海东方","7985M",2000.5,3000.7));
}

}
//? 开一家文体用品店shop,包括店名，店长名，资金
class Shop{
String name;
String personName;
double money;
public Shop(String name, String personName,double money){
this.name = name;
this.personName = personName;
this.money = money;
}

public   void 进货(跑步机 paobuji){
System.out.println("购买跑步机");
}
public   void 进货(打印机 dyj){
System.out.println("购买打印机");
}
public   void 销货(跑步机 paobuji){
System.out.println("销售跑步机");
}
public   void 销货(打印机 dyj){
System.out.println("销售打印机");
}
public   void 收入(跑步机 pbj){
System.out.println("跑步机："+pbj.xprice);
}
public   void 收入(打印机 dyj){
System.out.println("打印机收入："+dyj.xprice);
}

}
//? 体育用品sportsgoods，包括产品包括名称，厂家，型号，定价，销价

class Sportsgoods{
String name;
String factoryName;
String style;
double dprice;
double xprice;

public Sportsgoods(String name,String factoryName,String style,double dprice,double xprice){
this.name = name;
this.factoryName = factoryName;
this.style = style;
this.dprice = dprice;
this.xprice = xprice;
}
}
//? 办公用品officesupplies  包括产品包括名称，厂家，型号，定价，销价
class Officesupplies{
String name;
String factoryName;
String style;
double dprice;
double xprice;

public Officesupplies(String name,String factoryName,String style,double dprice,double xprice){
this.name = name;
this.factoryName = factoryName;
this.style = style;
this.dprice = dprice;
this.xprice = xprice;
}
}

// （2）体育用品实现一个继承类：跑步机
class 跑步机 extends Sportsgoods{
public 跑步机(String name,String factoryName,String style,double dprice,double xprice){
super(name,  factoryName, style,  dprice,  xprice);
}
}
//（3）办公用品实现一个继承类：打印机
class 打印机 extends Officesupplies{
public 打印机(String name,String factoryName,String style,double dprice,double xprice){
super(name,  factoryName, style, dprice, xprice);
}
}

#4

new 跑步机有错误，提示create跑步机class或rename in file，怎么办呢

#5

引用 3楼shy372330 的回复:

public class  Test{
public static void main(String [] args){
// （1）实现实体店一家
Shop shop = new Shop("安踏","张三",200000.0);
// 资金量充足，实现进货（跑步机，打印机），销货（跑步机，打印机），实现
// 对资金的操作
shop.进货(new 跑步机("nike","北京东方","8087L",5000.5,8000.7));
shop.进货(new 打印机("阿迪","上海东方","7985M",2000.5,3000.7));
shop.销货(new 跑步机("nike","北京东方","8087L",5000.5,8000.7));
shop.销货(new 打印机("阿迪","上海东方","7985M",2000.5,3000.7));
shop.收入(new 跑步机("nike","北京东方","8087L",5000.5,8000.7));
shop.收入(new 打印机("阿迪","上海东方","7985M",2000.5,3000.7));
}

}
//? 开一家文体用品店shop,包括店名，店长名，资金
class Shop{
String name;
String personName;
double money;
public Shop(String name, String personName,double money){
this.name = name;
this.personName = personName;
this.money = money;
}

public   void 进货(跑步机 paobuji){
System.out.println("购买跑步机");
}
public   void 进货(打印机 dyj){
System.out.println("购买打印机");
}
public   void 销货(跑步机 paobuji){
System.out.println("销售跑步机");
}
public   void 销货(打印机 dyj){
System.out.println("销售打印机");
}
public   void 收入(跑步机 pbj){
System.out.println("跑步机："+pbj.xprice);
}
public   void 收入(打印机 dyj){
System.out.println("打印机收入："+dyj.xprice);
}

}
//? 体育用品sportsgoods，包括产品包括名称，厂家，型号，定价，销价

class Sportsgoods{
String name;
String factoryName;
String style;
double dprice;
double xprice;

public Sportsgoods(String name,String factoryName,String style,double dprice,double xprice){
this.name = name;
this.factoryName = factoryName;
this.style = style;
this.dprice = dprice;
this.xprice = xprice;
}
}
//? 办公用品officesupplies  包括产品包括名称，厂家，型号，定价，销价
class Officesupplies{
String name;
String factoryName;
String style;
double dprice;
double xprice;

public Officesupplies(String name,String factoryName,String style,double dprice,double xprice){
this.name = name;
this.factoryName = factoryName;
this.style = style;
this.dprice = dprice;
this.xprice = xprice;
}
}

// （2）体育用品实现一个继承类：跑步机
class 跑步机 extends Sportsgoods{
public 跑步机(String name,String factoryName,String style,double dprice,double xprice){
super(name,  factoryName, style,  dprice,  xprice);
}
}
//（3）办公用品实现一个继承类：打印机
class 打印机 extends Officesupplies{
public 打印机(String name,String factoryName,String style,double dprice,double xprice){
super(name,  factoryName, style, dprice, xprice);
}
}

有一些需要private隐藏吧！，这样看着不好，何必定义一个方法，将店名，店长，等等放进去，直接调用方法，，这样可好？

#1