*求告知怎么得到总载人数和总租金！！！！
//答答租车系统
/*
定义父类
*/
package com.sy.interfaces.dada;
public class Car {
int id;
String name;
double price;
int peopleNum;
double capacity;
public Car() {
}
public Car(int id, String name, double price, int peopleNum, double capacity) {
super();
this.id = id;
this.name = name;
this.price = price;
this.peopleNum = peopleNum;
this.capacity = capacity;
}
public void setId(int id) {
this.id = id;
}
public int getId() {
return id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public void getInfo() {
System.out.println(id + "." + "\t" + name + "\t" + price + "元/天");
}
public int getPeopleNum() {
// TODO Auto-generated method stub
return 0;
}
public double getCapacity() {
return capacity;
}
public void setCapacity(double capacity) {
this.capacity = capacity;
}
public void setPeopleNum(int peopleNum) {
this.peopleNum = peopleNum;
}
}
/*
定义子类PiKa
*/
package com.sy.interfaces.dada;
public class PiKa extends Car {
public PiKa(int id, String name, int price, int peopleNum, int capacity) {
super(id, name, price, peopleNum, capacity);
}
public void getInfo() {
System.out.println(id + "." + "\t" + name + "\t" + price + "元/天" + "天\t载客量：" + peopleNum + "人"
+ "载货量：" + capacity + "吨");
}
}
/*
定义子类Bus
*/
package com.sy.interfaces.dada;
public class Bus extends Car {
public Bus(int id,String name,double price,int peopleNum) {
this.id = id;
this.name = name;
this.price = price;
this.peopleNum = peopleNum;
}
public void getInfo() {
System.out.println(id + "." + "\t" + name + "\t" + price + "元/天\t载客量：" + peopleNum + "人");
}
}
/*
定义子类CaChe
*/
package com.sy.interfaces.dada;
public class CaChe extends Car {
public CaChe(int id,String name,double price,double capacity) {
this.id = id;
this.name = name;
this.price = price;
this.capacity = capacity;
}
public void getInfo() {
System.out.println(id + "." + "\t" + name + "\t" + price + "元/天\t载货量：" + capacity + "吨");
}
}
/*
测试类
*/
package com.sy.interfaces.dada;
import java.util.*;
import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;
public class TestDada {
public static void main(String[] args) {
Car c1 = new Bus(1,"奥迪A4",500,4);
Car c2 = new Bus(2,"马自达6",400,4);
Car c3 = new PiKa(3,"皮卡雪6",450,4,2);
Car c4 = new Bus(4,"金龙",800,20);
Car c5 = new CaChe(5,"松花江",400,4);
Car c6 = new CaChe(6,"依维柯",1000,20);
Car[] cars = {c1,c2,c3,c4,c5,c6};
System.out.println("******欢迎使用答答租车系统******");
System.out.println("您是否要租车：1是 0否");
Scanner input = new Scanner(System.in);
int ifRent = input.nextInt();
if(ifRent == 1) {
System.out.println("您可租车的类型及价目表：");
System.out.println("序号\t汽车名称\t租金\t\t容量");
c1.getInfo();
c2.getInfo();
c3.getInfo();
c4.getInfo();
c5.getInfo();
c6.getInfo();
}else if(ifRent == 0) {
System.out.println("*****系统正在退出*****");
}else {
System.out.println("请输入1(是)/0(否)");
}
System.out.println("请输入您要租汽车的数量：");
Scanner input2 = new Scanner(System.in);
int num = input2.nextInt();
Car[] zCar = new Car[num];
double sumPrice=0;
int sumPeople=0;
double sumCapacity=0;
for(int m = 0;m < num;m++) {
System.out.println("请输入第" + (m + 1) + "辆车的序号：");
Scanner input3 = new Scanner(System.in);
int xuhao = input3.nextInt();
zCar[m] = cars[xuhao - 1];
System.out.println("请输入租车天数：");
Scanner input4 = new Scanner(System.in);
int days = input4.nextInt();
double prices = cars[xuhao - 1].getPrice() * days;
sumPrice += prices;
int peoples = cars[xuhao - 1].getPeopleNum();
sumPeople += peoples;
double capacitys = cars[xuhao - 1].getCapacity();
sumCapacity += capacitys;
}
System.out.println("》》》》您的账单如下《《《《");
System.out.println("一共租车" + num + "辆");
System.out.println("可载" + sumPeople + "人");
System.out.println("可载" + sumCapacity + "吨");
System.out.println("您需要支付" + num + "元");
System.out.println("感谢本次使用！欢迎再次使用本公司答答租车系统！");
}
}
******欢迎使用答答租车系统******
您是否要租车：1是 0否
1
您可租车的类型及价目表：
序号 汽车名称 租金 容量
1. 奥迪A4 500.0元/天 载客量：4人
2. 马自达6 400.0元/天 载客量：4人
3. 皮卡雪6 450.0元/天 载客量：4人载货量：2.0吨
4. 金龙 800.0元/天 载客量：20人
5. 松花江 400.0元/天 载货量：4.0吨
6. 依维柯 1000.0元/天 载货量：20.0吨
请输入您要租汽车的数量：
3
请输入第1辆车的序号：
1
请输入租车天数：
2
请输入第2辆车的序号：
3
请输入租车天数：
1
请输入第3辆车的序号：
5
请输入租车天数：
4
》》》》您的账单如下《《《《
一共租车3辆
可载0人
可载6.0吨
您需要支付3元
感谢本次使用！欢迎再次使用本公司答答租车系统！
