*求告知怎么得到總載人數和總租金?。。。?/h1>

//答答租車系統

/*

? 定義父類

?*/

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;

}

}

/*

? 定義子類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載客量：" + peopleNum + "人"

+ "載貨量：" + capacity + "噸");

}

}

/*

? 定義子類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載客量：" + peopleNum + "人");

}

}

/*

? 定義子類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載貨量：" + capacity + "噸");

}

}

/*

? 測試類

?*/

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,"奧迪A4",500,4);

Car c2 = new Bus(2,"馬自達6",400,4);

Car c3 = new PiKa(3,"皮卡雪6",450,4,2);

Car c4 = new Bus(4,"金龍",800,20);

Car c5 = new CaChe(5,"松花江",400,4);

Car c6 = new CaChe(6,"依維柯",1000,20);

Car[] cars = {c1,c2,c3,c4,c5,c6};

System.out.println("******歡迎使用答答租車系統******");

System.out.println("您是否要租車：1是 0否");

Scanner input = new Scanner(System.in);

int ifRent = input.nextInt();

if(ifRent == 1) {

System.out.println("您可租車的類型及價目表：");

System.out.println("序號\t汽車名稱\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("*****系統正在退出*****");

}else {

System.out.println("請輸入1(是)/0(否)");

}

System.out.println("請輸入您要租汽車的數量：");

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("請輸入第" + (m + 1) + "輛車的序號：");

Scanner input3 = new Scanner(System.in);

int xuhao = input3.nextInt();

zCar[m] = cars[xuhao - 1];

System.out.println("請輸入租車天數：");

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("》》》》您的賬單如下《《《《");

System.out.println("一共租車" + num + "輛");

System.out.println("可載" + sumPeople + "人");

System.out.println("可載" + sumCapacity + "噸");

System.out.println("您需要支付" + num + "元");

System.out.println("感謝本次使用！歡迎再次使用本公司答答租車系統！");

}

}

******歡迎使用答答租車系統******

您是否要租車：1是 0否

1

您可租車的類型及價目表：

序號 汽車名稱 租金 容量

1. 奧迪A4 500.0元/天 載客量：4人

2. 馬自達6 400.0元/天 載客量：4人

3. 皮卡雪6 450.0元/天 載客量：4人載貨量：2.0噸

4. 金龍 800.0元/天 載客量：20人

5. 松花江 400.0元/天 載貨量：4.0噸

6. 依維柯 1000.0元/天 載貨量：20.0噸

請輸入您要租汽車的數量：

3

請輸入第1輛車的序號：

1

請輸入租車天數：

2

請輸入第2輛車的序號：

3

請輸入租車天數：

1

請輸入第3輛車的序號：

5

請輸入租車天數：

4

》》》》您的賬單如下《《《《

一共租車3輛

可載0人

可載6.0噸

您需要支付3元

感謝本次使用！歡迎再次使用本公司答答租車系統！