这篇文章主要讲解了“Java怎么实现租车系统”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“Java怎么实现租车系统”吧！
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。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
原创文章，作者：kepupublish，如若转载，请注明出处：https://blog.ytso.com/tech/opensource/220264.html