java学习第二季的项目代码

java学习第二季的项目代码
Vehicle类。是bus、truck、pickup的父类

package pmy.test;
/*
 *Project:              Lease System
 *Comments:             汽车类，客车、火车、皮卡类的基类
 *JDK version used:     JDK1.8
 *Author:               Pmy
 *Create Date:          2016-09-13
 */

public class Vehicle {
    private String s_name;
    private int i_price;
    public void setName(String name){
        this.s_name = name;
    }
    public String getName(){
        return s_name;
    }
    public void setPrice(int price){
        this.i_price = price;
    }
    public int getPrice(){
        return i_price;
    }
}

bus类

/*
 *Project:              Lease System
 *Comments:             客车类，继承于vehicle类
 *JDK version used:     JDK1.8
 *Author:               Pmy
 *Create Date:          2016-09-13
 */

public class Bus extends Vehicle {
    private int i_personnum;
    public void setPersonnum(int personnum){
        this.i_personnum = personnum;
    }
    public int getPersonnum(){
        return i_personnum;
    }
    public Bus(int price, String name,int personnum){
        super();
        super.setPrice(price);
        super.setName(name);
        this.i_personnum = personnum;
    }
    public String toString(){
        return "租用一天" + super.getName() + "的费用是：" + super.getPrice() +
                "元/天。此车型载客数为：" + this.getPersonnum() + "人"; 
    }
}

truck类

package pmy.test;
/*
 *Project:              Lease System
 *Comments:             卡车类，继承于vehicle类
 *JDK version used:     JDK1.8
 *Author:               Pmy
 *Create Date:          2016-09-13
 */

public class Truck extends Vehicle {
    private int i_carrynum;
    public void setCarrynum(int carrynum){
        i_carrynum = carrynum;
    }
    public int getCarrynum(){
        return i_carrynum;
    }
    public Truck(int price, String name, int carrynum){
        super();
        super.setPrice(price);
        super.setName(name);
        this.i_carrynum = carrynum;
    }
    public String toString(){
        return "租用一天" + super.getName() + "的费用是：" + super.getPrice() +
                "元/天。此车型载货量为：" + this.getCarrynum() + "吨"; 
    }
}

皮卡

package pmy.test;
/*
 *Project:              Lease System
 *Comments:             皮卡，继承于vehicle类
 *JDK version used:     JDK1.8
 *Author:               Pmy
 *Create Date:          2016-09-13
 */

public class Pickup extends Vehicle {
    private int i_personnum;
    private int i_carrynum;
    public void setPersonnum(int personnum){
        this.i_personnum = personnum;
    }
    public void setCarrynum(int carrynum){
        this.i_carrynum = carrynum;
    }
    public int getPersonnum(){
        return i_personnum;
    }
    public int getCarrynum(){
        return i_carrynum;
    }
    public Pickup(int price, String name, int personnum, int carrynum){
        super();
        super.setPrice(price);
        super.setName(name);
        this.i_personnum = personnum;
        this.i_carrynum = carrynum;
    }
    public String toString(){
        return "租用一天" + super.getName() + "的费用是：" + super.getPrice() +
                "元/天。此车型载货量为：" + this.getCarrynum() + "吨" + "载客量为：" +
                this.getPersonnum() + "人";
    }
}```

主程序：
import java.util.Scanner;

public class Lease {

public static void main(String[] args) {
    // TODO Auto-generated method stub
    System.out.println("欢迎使用答答租车系统");
    int i_sum_price = 0;        //租用汽车总价
    int i_sum_carrynum = 0;     //总载货数
    int i_sum_personnum = 0;    //总载客数
    StringBuffer buffer_s_busname = new StringBuffer();     
    StringBuffer buffer_s_truckname = new StringBuffer();       
    StringBuffer buffer_s_pickupname = new StringBuffer();
    //租用汽车名称
    System.out.println("您是否要租车：1是 0否");
    Scanner input = new Scanner(System.in);
    if(input.nextInt() == 0){
        System.out.println("返回");
        input.close();
        return;
    }
    System.out.println("***进入答答租车页面***：");
    System.out.println("***共有以下车型供选择***：");
    Bus car1 = new Bus(500, "奥迪a4", 4);
    Bus car2 = new Bus(400, "马自达6", 4);
    Bus car3 = new Bus(800, "金龙", 20);
    Pickup car4 = new Pickup(450, "皮卡雪6", 4, 2);
    Truck car5 = new Truck(400, "松花江", 4);
    Truck car6 = new Truck(1000, "依维柯", 20);
    Vehicle[] vehicles = {car1, car2, car3, car4, car5, car6};
    for(int i=0;i<vehicles.length;i++){
        System.out.println((i+1) + "、" +vehicles[i].toString());
    }
    System.out.println("***请输入您想租用的汽车数量***");
    int i_carnum = input.nextInt();     //租用汽车的数量
    int[] i_car = new int[i_carnum];    //记录租车序号
    for(int i=0;i<i_carnum;i++){
        System.out.println("请输入第" + (i+1) +"辆车的序号：");
        int i_number = input.nextInt();
        if(i_number>=1&&i_number<=6){
            i_car[i] = i_number;
        }else{
            System.out.println("***输入序号有误，请重输***");
            i--;
        }
    }
    for(int i=0;i<i_carnum;i++){
        switch(i_car[i]){
        case 1:
            buffer_s_busname.append(car1.getName() + " ");
            i_sum_price += car1.getPrice();
            i_sum_personnum += car1.getPersonnum();
            break;
        case 2:
            buffer_s_busname.append(car2.getName() + " ");
            i_sum_price += car2.getPrice();
            i_sum_personnum += car2.getPersonnum();
            break;
        case 3:
            buffer_s_busname.append(car3.getName() + " ");
            i_sum_price += car3.getPrice();
            i_sum_personnum += car3.getPersonnum();
            break;
        case 4:
            buffer_s_pickupname.append(car4.getName() + " ");
            i_sum_price += car4.getPrice();
            i_sum_personnum += car4.getPersonnum();
            i_sum_carrynum += car4.getCarrynum();
            break;
        case 5:
            buffer_s_truckname.append(car5.getName() + " ");
            i_sum_price += car5.getPrice();
            i_sum_carrynum += car5.getCarrynum();
            break;
        case 6:
            buffer_s_truckname.append(car6.getName() + " ");
            i_sum_price += car6.getPrice();
            i_sum_carrynum += car6.getCarrynum();
            break;
        default:
            break;
        }
    }
    System.out.println("***请输入租用天数***");
    int i_day = input.nextInt();
    System.out.println("***您的租用清单如下***");
    System.out.println("***您总共租用了" + i_carnum + "辆车***");
    System.out.println(buffer_s_busname);
    System.out.println(buffer_s_truckname);
    System.out.println(buffer_s_pickupname);
    System.out.println("***总载货量为：" + i_sum_carrynum + "吨***");
    System.out.println("***总载人数：" + i_sum_personnum + "人***");
    System.out.println("***总价格为：" + i_sum_price*i_day + "元***");
    System.out.println("***谢谢惠顾***");
    input.close();
}

}