終于寫完了，達達租車系統(tǒng)，歡迎各位討論！
Car類
package com.dadacar;
public class Car {
private int number;//車輛編號
? ? private String name;//車名
? ? private double price;//租金
? ? public? Car(int number,String name ,double price) {
? ? this.number=number;
? ? this.name = name;
? ? this.price = price;
? ? }
? ? public int getNumber()
? ? {
? ? return number;
? ? }
? ? public String getName()
? ? {
? ? return name;
? ? }
? ? public double getPrice()
? ? {
? ? return price;
? ? }
? ? public String toString()
? ? {
? ? return? "車輛序號: "+number+'\t'+"車型: "+name+'\t'+"租金: "+price+'元'+'\t'+'\t';
? ? }
}
passengerCar類
package com.dadacar;
public class passengerCar extends Car {
? ?private int persons;//載人量
public passengerCar(int number,String name, double price, int persons) {
super(number,name, price);
this.persons=persons;
}
public int getPersons()?
{
return persons;
}
public String toString()
{
return super.toString()+"載客量: "+persons+'人';
}
}
pickCar類
package com.dadacar;
public class pickCar extends? Car{
? ?private int? persons;
? ?private double Capacity;
public pickCar(int number,String name, double price,double pickCapacity,int pickPersons) {
super(number,name, price);
// TODO Auto-generated constructor stub
this.Capacity=pickCapacity;
this.persons=pickPersons;
}
public int getPersons() {
return persons;
}
public double getCapacity() {
return Capacity;
}
public String toString()
? ?{
? ?return super.toString()+"載客量:"+Capacity+'噸'+'\t'+"載客量:"+persons+'人';
? ?}
}
TruckCar類
package com.dadacar;
public class TruckCar extends Car {
private double Capacity;//載貨量
public TruckCar(int number,String name,double price,double cargoCapacity)
{
super(number,name,price);
this.Capacity = cargoCapacity;
}
? ?public double getCapacity() {
return Capacity;
}
? ?public String toString()
? ?{
? ?return super.toString()+"載貨量:"+'\t'+Capacity+'噸';
? ?}
}
test類
package com.dadacar;
import java.lang.System;
import java.util.Scanner;
public class test {
public static void main(String[] args) {
// TODO Auto-generated method stub
? ? ? ?Car[] cars = new Car[5];
? ? ? ?cars[0]=new TruckCar(1,"重型卡車 ",460,4.5);
? ? ? ?cars[1]=new TruckCar(2,"輕型卡車 ",300,3.5);
? ? ? ?cars[2]=new passengerCar(3,"大客車",500,45);
? ? ? ?cars[3]=new passengerCar(4,"小客車",400,30);
? ? ? ?cars[4]=new pickCar(5,"皮卡",450,3.5,6);
System.out.println("歡迎使用嗒嗒租車系統(tǒng): ");
System.out.println("請問您是否要租車?? 1.是? ?2.否");
Scanner s = new Scanner(System.in);
int yn =s.nextInt();
if(yn==1) {
/*顯示車輛類型*/
System.out.println("您可租車的類型及其價目表:");
System.out.println("序號" + '\t' + "汽車名稱" + '\t' + "租金" + '\t' +"容量"+'\t');
for(Car c :cars)?
System.out.println(c.toString());
double totalprice=0;//總金額
double totalPersons = 0;//總載客量
double totalCapicity=0;//總載物量
System.out.println("請輸入你要租車的數(shù)量: ");
int sl=s.nextInt();
? ?Car[] rentCar = new Car[sl];
? ?for (int i = 0; i < sl; i++) {
? ? ? ? ? ? System.out.printf("請輸入第%d輛車的序號：",i+1);
? ? ? ? ? ?int num=s.nextInt();//捕捉用戶輸入車的序號并存入數(shù)組
? ? ? ? rentCar[i]=cars[num-1];
? ?}
? ?/*計算總?cè)藬?shù)和總載客量*/
? ?for(int i=0; i<sl;i++)
? ?{
? ?if(rentCar[i] instanceof passengerCar) {
? ?totalPersons += ((passengerCar)rentCar[i]).getPersons();
? ?}
? ?if(rentCar[i] instanceof TruckCar) {
? ?totalCapicity+=((TruckCar)rentCar[i]).getCapacity();
? ?}
? ? ? if(rentCar[i] instanceof pickCar) {
? ? totalPersons+=((pickCar)rentCar[i]).getPersons();
? ? ? ? totalCapicity+=((pickCar)rentCar[i]).getCapacity();
? ? ? ? }
? ?}
? ?/*計算總金額*/
? ?System.out.println("請輸入租車的天數(shù): ");
? ?int days=s.nextInt();
? ?
? ? ? ? ? ? ? ?for(int i=0;i<sl;i++) {
? ? ? ? ? ? ? ?totalprice=totalprice+rentCar[i].getPrice()*days;
? ? ? ? ? ? ? ?}
? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ?/*顯示賬單*/
? ?System.out.println("********************您的賬單如下:******************** ");
? ?System.out.println(">>>>>>>已經(jīng)選擇載人車: ");
? ?for(int i=0;i<sl;i++) {
? ?if(rentCar[i].getNumber()>2) {
? ?System.out.println(rentCar[i].getName());
? ?}else {
? ?continue;
? ?}
? ?}
? ?System.out.println(">>>>>>>已經(jīng)選擇載貨車: ");
? ?for(int i=0;i<sl;i++) {
? ?if(rentCar[i].getNumber()<=2) {
? ?System.out.println(rentCar[i].getName());
? ?}else {
? ?continue;
? ?}
? ?}
? ?System.out.println("******************************************************");
? ?System.out.println("您所租借的車總載客量為: "+totalPersons+"人\t");
? ?System.out.println("您所租借的車總載貨量為: "+totalCapicity+"噸\t");
? ?System.out.println("總費用為"+totalprice+"元");
? ?
}else if(yn==0) {
s.close();
}
}
}
生成圖
歡迎大家給出優(yōu)化意見。
2019-03-13
2019-02-01
我的寫法和你差不多，但是為啥rentCar[ ]這個數(shù)組就無法調(diào)用那些變量和方法
2019-01-30
進入答租車系統(tǒng)輸入的是1和0之外的數(shù)會怎么樣呢