java租车_Java 哒哒租车系统(控制台)
哒哒租车系统
Cars类为父类
重写Cars类toString方法
三种车型3个子类继承父类
Cars.java
package com.xk;
public class Cars {
public int id;
public String name;
public float price;
public float carryingCapacity;
public int seatingCapacity;
@Override
public String toString() {
if(seatingCapacity==0) {
return id+".\t"+name+"\t"+price+"元/天\t载货"+carryingCapacity+"吨";
}else if(carryingCapacity==0){
return id+".\t"+name+"\t"+price+"元/天\t载客"+seatingCapacity+"人";
}else{
return id+".\t"+name+"\t"+price+"元/天\t载货"+carryingCapacity+"吨\t载客"+seatingCapacity+"人";
}
}
}
Truck.java
package com.xk;
public class Truck extends Cars{
public Truck(int id,String name,float price,float carryingCapacity){
this.id=id;
this.name=name;
this.price=price;
this.carryingCapacity=carryingCapacity;
}
}
Coach.java
package com.xk;
public class Coach extends Cars {
public Coach(int id,String name,float price,int seatingCapacity){
this.id=id;
this.name=name;
this.price=price;
this.seatingCapacity=seatingCapacity;
}
}
Pickup.java
package com.xk;
public class Pickup extends Cars {
public Pickup(int id,String name,float price,float carryingCapacity,int seatingCapacity){
this.id=id;
this.name=name;
this.price=price;
this.carryingCapacity=carryingCapacity;
this.seatingCapacity=seatingCapacity;
}
}
Test.java
package com.xk;
import java.util.Scanner;
public class Test {
public static void main(String[] args) {
// TODO Auto-generated method stub
Cars Cars[] = {new Truck(1,"小货车",500f,3.5f),new Truck(2,"大货车",800f,7.8f),new Coach(3,"小客车",400f,12),new Coach(4,"大客车",900f,25),new Pickup(5,"小皮卡",600f,1.1f,4),new Pickup(6,"大皮卡",1100f,2.5f,6)};
System.out.println("----------哒哒租车系统----------\n是否进行租车:1.是\t2.否");
Scanner input = new Scanner(System.in);
int in = input.nextInt();
if(in==1) {
System.out.println("序号\t车名\t租金\t\t容量\t");
for(int i=0;i<6;i++) {
System.out.println(Cars[i]);
}
float sum = 0.0f;
float capacity1=0.0f;
int capacity2=0;
String[] car1=new String[6];
String[] car2=new String[6];
for(int i=1;;i++){
System.out.print("请输入你要购买第"+ i +"辆车的序号:");
int id=input.nextInt();
System.out.print("请输入你要租用的数量:");
int qty=input.nextInt();
System.out.print("请输入你要租用的天数:");
int day=input.nextInt();
switch(id){
case 1: sum+=qty*day*Cars[0].price;car1[i-1]=Cars[0].name;capacity1+=qty*Cars[0].carryingCapacity;break;
case 2: sum+=qty*day*Cars[1].price;car1[i-1]=Cars[1].name;capacity1+=qty*Cars[1].carryingCapacity;break;
case 3: sum+=qty*day*Cars[2].price;car2[i-1]=Cars[2].name;capacity2+=qty*Cars[2].seatingCapacity;break;
case 4: sum+=qty*day*Cars[3].price;car2[i-1]=Cars[3].name;capacity2+=qty*Cars[3].seatingCapacity;break;
case 5: sum+=qty*day*Cars[4].price;car1[i-1]=Cars[4].name;car2[i-1]=Cars[4].name;capacity1+=qty*Cars[4].carryingCapacity;capacity2+=qty*Cars[4].seatingCapacity;break;
case 6: sum+=qty*day*Cars[5].price;car1[i-1]=Cars[5].name;car2[i-1]=Cars[5].name;capacity1+=qty*Cars[5].carryingCapacity;capacity2+=qty*Cars[5].seatingCapacity;break;
default : System.out.print("输入错误,");i--;break;
}
System.out.println("是否继续租车:1.继续\t2.退出");
int choose=input.nextInt();
if(choose==2){
break;
}
}
System.out.println("--------------------------\n租车成功,您的账单:\n可载货的车:");
for(int i=0;i
if(car1[i]==null){
continue;
}
System.out.print(car1[i]+"\t");
}
System.out.println("共载货:"+capacity1+"吨\n可载人的车:");
for(int i=0;i
if(car2[i]==null){
continue;
}
System.out.print(car2[i]+"\t");
}
System.out.println("共载人:"+capacity2+"人\n租车共需付款:"+sum+"元");
}else{
System.out.println("已退出哒哒租车系统");
}
input.close();
}
}
运行效果
