Java小程序——汽车租赁

《Java小程序——汽车租赁》

 

1.描述：刚学Java写的小程序，用到类的继承，多态，abstract抽象方法。

2.工具：eclipse.exe

3.功能：选择子类（轿车 / 客车）

选择车型（轿车车型 / 客车车型）

根据天数计算租金（用抽象方法）

/*****************************************************
Author：Ivan    Version:0.1    Date: 
File name：MotoVehicle.java
Description：父类
*****************************************************/
package com.jsetc_rental.www;

public abstract class MotoVehicle {
	protected int No;    //车牌号
	protected String Brand;    //品牌
	protected String color;    //颜色
	protected int Mileage;    //里程
	protected String models;
	protected int rental;
	
	public void print()
	{
		System.out.println("您选择的是 "+models+" ,日租费 "+rental+" （元/天）");
	}
	
	public abstract void CalcRent(int days);
}

/*****************************************************
Author：Ivan    Version:0.1    Date: 
File name：Bus.java
Description：子类
*****************************************************/
package com.jsetc_rental.www;

public class Bus extends MotoVehicle{
	public int SeatCount;
	
	public void CalcRent(int days)
	{
		System.out.println("这是客车的日租金");
		System.out.println("租金为： "+days*rental+" 感谢您的光临！");
	}
}

/*****************************************************
Author：Ivan    Version:0.1    Date: 
File name：Car.java
Description：子类
*****************************************************/
package com.jsetc_rental.www;

public class Car extends MotoVehicle{
	public String Type;
	
	public void CalcRent(int days)
	{
		System.out.println("这是轿车的日租金");
		System.out.println("租金为： "+days*rental+" 感谢您的光临！");
	}

}

/*****************************************************
Author：Ivan    Version:0.1    Date: 
File name：Main.java
Description：主函数
*****************************************************/
package com.jsetc_rental.www;
import java.util.Scanner;

public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int choose;
		
		System.out.println("欢迎来到租车网");
		System.out.println("请选择您想租赁车的类型：");
		System.out.println("（1.轿车    2.客车）");
		choose = sc.nextInt();
		if(choose == 1)
		{
			MotoVehicle car = new Car();
			
			System.out.println("请选择车辆品牌：");
			System.out.println("1.别克商务舱GL8   2.宝马550i    3.别克林荫大道");
			choose = sc.nextInt();
			switch (choose)
			{
				case 1:
				car.models = "别克商务舱GL8";car.rental = 600;
				car.print();
				break;
				case 2:
				car.models = "宝马550i";car.rental = 500;
				car.print();
				break;
				case 3:
				car.models = "别克林荫大道";car.rental = 300;
				car.print();
				break;			
			}
			System.out.println("请输入您想租赁天数：");
			int day = sc.nextInt();
			car.CalcRent(day);
		}
		else if(choose == 2)
		{
			MotoVehicle car = new Bus();
			
			System.out.println("请选择车辆品牌：");
			System.out.println("1.金杯（<=16座）    2.金龙（>16座）");
			choose = sc.nextInt();
			switch (choose)
			{
			case 1:
			car.models = "金杯（<=16座）";car.rental = 800;
			car.print();
			break;
			case 2:
			car.models = "金龙（>16座）";car.rental = 1500;
			car.print();
			break;
			}
			System.out.println("请输入您想租赁天数：");
			int day = sc.nextInt();
			car.CalcRent(day);
		}
	}
}