Java怎么实现租车系统

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题目: 设计一个简易的租车系统，实现租车，并统计车型、载客数、载人数、租赁总价钱。
1、程序分析
Step1：创建汽车类
Step2：创建租赁类，完成汽车租赁任务
2、程序实现

car.java

package Jack_Cui;/* * Project:             Lease System * Comments:            汽车类，客车、货车、皮卡车的基类 * JDK version used:    JDK1.8 * Author:              Jack-Cui * Create Date:         2016-8-29 */public class Car {          private String s_name;  //汽车名private int i_price;    //汽车租赁价格/*类外访问，需要通过set、get方法写/读数据成员s_name、i_price*/public String getName() {return s_name;    }public void setName(String name) {this.s_name = name;    }public int getPrice() {return i_price;    }public void setPrice(int price) {this.i_price = price;    }}

Lease.java

package Jack_Cui;import java.util.Scanner;           //导入Scanner，获取用户输入信息/* * Project:             Lease System * Comments:            租赁 * JDK version used:    JDK1.8 * Author:              Jack-Cui * Create Date:         2016-8-29 */public class Lease {public static void main(String[] args){        System.out.println("欢迎使用答答租车系统\n您是否要租车：1是\t0否");        //打印提示信息int i_finalPrice = 0;                               //最终总价格int i_finalPersonNum = 0;                           //最终总载客量int i_finalGoodsNum = 0;                            //最终总载货量StringBuffer bufer_sBusName = new StringBuffer();   //记录租车的名字StringBuffer bufer_sTrunkName = new StringBuffer(); //记录租车的名字Scanner input = new Scanner(System.in);             //获取用户输入信息if(input.nextInt() != 1){            System.out.println("谢谢光临，再会！");            input.close();                                  //关闭用户输入return;        }        System.out.println("您可租车的类型及其价目表：\n序号\t汽车名称\t租金\t容量");        Bus car1 = new Bus("奥迪A4",500,4);               //实例化奥迪A4Bus car2 = new Bus("马自达6",400,4);               //实例化马自达6Bus car3 = new Bus("金龙",800,20);                //实例化金龙Trunk car4 = new Trunk("松花江",400,4);            //实例化松花江Trunk car5 = new Trunk("依维柯",1000,20);          //实例化依维柯Pickup car6 = new Pickup("皮卡雪6",450,4,2);       //实例化皮卡雪6Car[] cars = {car1,car2,car3,car4,car5,car6};/*展示车辆信息*/for(int i = 0; i < cars.length; i++){            System.out.println((i + 1) + ".\t" + cars[i].toString());        }        System.out.println("请输入您要租汽车的数量：");int i_num = input.nextInt();                        //记录租车数量int[] i_car = new int[i_num];                       //记录租车序号for(int i = 0; i < i_num; i++){            System.out.println("请输入第" + (i + 1) + "辆车的序号：");int i_key = input.nextInt();if(i_key >=1 && i_key <= 6){                i_car[i] = i_key;            }else{                System.out.println("您输入的序列有误，请重新输入(1-6):");                i--;                                    //输入错误，重新输入}        }for(int  i = 0; i < i_car.length ; i++){switch(i_car[i]){case 1:                bufer_sBusName.append(car1.getName() + "  ");                i_finalPrice += car1.getPrice();                i_finalPersonNum += car1.getI_PersonNum();break;case 2:                bufer_sBusName.append(car2.getName() + "  ");                i_finalPrice += car2.getPrice();                i_finalPersonNum += car2.getI_PersonNum();break;case 3:                bufer_sBusName.append(car3.getName() + "  ");                i_finalPrice += car3.getPrice();                i_finalPersonNum += car3.getI_PersonNum();break;case 4:                bufer_sTrunkName.append(car4.getName() + "  ");                i_finalPrice += car4.getPrice();                i_finalGoodsNum+= car4.getI_GoodsNum();break;case 5:                bufer_sTrunkName.append(car5.getName() + "  ");                i_finalPrice += car5.getPrice();                i_finalGoodsNum += car5.getI_GoodsNum();break;case 6:                bufer_sBusName.append(car6.getName() + "  ");                bufer_sTrunkName.append(car6.getName() + "  ");                i_finalPrice += car6.getPrice();                i_finalPersonNum += car6.getI_PersonNum();                i_finalGoodsNum += car6.getI_GoodsNum();break;default:break;            }        }        System.out.println("请输入租车天数：");int days = input.nextInt();//最终信息输出System.out.println("您的账单：\n***可载人的车有：");        System.out.println(bufer_sBusName + "共载人：" + i_finalPersonNum + "人");        System.out.println("***载货的车有：\n" + bufer_sTrunkName + "共载货：" + i_finalGoodsNum + "吨");        System.out.println("***租车总价格：" + i_finalPrice * days);        System.out.println("感谢使用答答租车系统");        input.close();      //关闭用户输入}}/* * Project:             Lease System * Comments:            客车类，继承于汽车类 * JDK version used:    JDK1.8 * Author:              Jack-Cui * Create Date:         2016-8-29 */class Bus extends Car {                 //访问修饰符(默认):可在本类、同包中使用private int i_PersonNum;            //客车类载人容量public Bus(String name, int price, int PersonNum){      //有参构造方法super();                        //如果没有，系统默认调用super.setName(name);            //设置客车名称super.setPrice(price);          //设置客车租赁价格this.i_PersonNum = PersonNum;   //设置客车容量}/*类外访问，需要通过set、get方法写/读数据成员i_PersonNum*/public int getI_PersonNum() {return i_PersonNum;    }public void setI_PersonNum(int i_PersonNum) {this.i_PersonNum = i_PersonNum;    }    @Overridepublic String toString() {return this.getName() + "\t" + this.getPrice() + "元/天\t载人:" + i_PersonNum + "人";    }}/* * Project:             Lease System * Comments:            货车类，继承于汽车类 * JDK version used:    JDK1.8 * Author:              Jack-Cui * Create Date:         2016-8-29 */class Trunk extends Car{private int i_GoodsNum;             //货车的载货量public Trunk(String name, int price, int GoodsNum){     //有参构造方法super();                        //如果没有，系统默认调用super.setName(name);            //设置货车名称super.setPrice(price);          //设置货车租赁价格this.i_GoodsNum = GoodsNum;     //设置货车载货量}/*类外访问，需要通过set、get方法写/读数据成员i_GoodsNum*/public int getI_GoodsNum() {return i_GoodsNum;    }public void setI_GoodsNum(int i_GoodsNum) {this.i_GoodsNum = i_GoodsNum;    }    @Overridepublic String toString() {return this.getName() + "\t" + this.getPrice() + "元/天\t载货:" + i_GoodsNum + "吨";    }}/* * Project:             Lease System * Comments:            皮卡类，继承于汽车类 * JDK version used:    JDK1.8 * Author:              Jack-Cui * Create Date:         2016-8-29 */class Pickup extends Car{private int i_PersonNum;            //客车类载人容量private int i_GoodsNum;             //货车的载货量public Pickup(String name, int price, int PersonNum, int GoodsNum){        super();                        //如果没有，系统默认调用super.setName(name);            //设置皮卡名称super.setPrice(price);          //设置皮卡租赁价格this.i_PersonNum = PersonNum;   //设置皮卡载人量this.i_GoodsNum = GoodsNum;     //设置皮卡载货量}/*类外访问，需要通过set、get方法写/读数据成员i_PersonNum、i_GoodsNum*/public int getI_PersonNum() {return i_PersonNum;    }public void setI_PersonNum(int i_PersonNum) {this.i_PersonNum = i_PersonNum;    }public int getI_GoodsNum() {return i_GoodsNum;    }public void setI_GoodsNum(int i_GoodsNum) {this.i_GoodsNum = i_GoodsNum;    }    @Overridepublic String toString() {return this.getName() + "\t" + this.getPrice() + "元/天\t载人:" + i_PersonNum + "人\t载货:" + i_GoodsNum;    }}

3、运行结果

感谢各位的阅读，以上就是"Java怎么实现租车系统"的内容了，经过本文的学习后，相信大家对Java怎么实现租车系统这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是，小编将为大家推送更多相关知识点的文章，欢迎关注！