汽车租赁系统V2.0

简单记录一下
代码如下

抽象类Vehicle

package RentCar;public abstract class Vehicle {private String vehicleId;private String brand;private int perRent;public Vehicle() {}public Vehicle(String vehicleId, String brand, int perRent) {this.vehicleId = vehicleId;this.brand = brand;this.perRent = perRent;}public String getVehicleId() {return vehicleId;}public void setVehicleId(String vehicleId) {this.vehicleId = vehicleId;}public String getBrand() {return brand;}public void setBrand(String brand) {this.brand = brand;}public int getPerRent() {return perRent;}public void setPerRent(int perRent) {this.perRent = perRent;}public abstract float calRent(int days);
}

Bus类

package RentCar;public class Bus extends Vehicle{private int seats;public Bus() {}public Bus(String vehicleId, String brand, int perRent, int seats) {super(vehicleId, brand, perRent);this.seats = seats;}public int getSeats() {return seats;}public void setSeats(int seats) {this.seats = seats;}@Overridepublic float calRent(int days) {float money;if(days > 150) {money = getPerRent() * days * 6 / 10;}else if(days > 30){money = getPerRent() * days * 7 / 10;}else if(days >7) {money = getPerRent() * days * 8 / 10;}else if(days > 3){money = getPerRent() * days * 9 / 10;}elsemoney = getPerRent() * days;return money;}
}

Car类

package RentCar;public class Car extends Vehicle{private String type;public Car() {}public Car(String vehicleId, String brand, String type, int perRent) {super(vehicleId, brand, perRent);this.type = type;}public String getType() {return type;}public void setType(String type) {this.type = type;}@Overridepublic float calRent(int days) {float money;if(days > 150) {money = getPerRent() * days * 7 / 10;}else if(days > 30){money = getPerRent() * days * 8 / 10;}else if(days >7) {money = getPerRent() * days * 9 / 10;}elsemoney = getPerRent() * days;return money;}
}

Trunk类

package RentCar;public class Trunk extends Vehicle{int tonnage;  //吨位public Trunk() {}public Trunk(String vehicleId, String brand, int perRent, int tonnage) {super(vehicleId, brand, perRent);this.tonnage = tonnage;}public int getTonnage() {return tonnage;}public void setTonnage(int tonnage) {this.tonnage = tonnage;}@Overridepublic float calRent(int days) {return days*getPerRent();}
}

RentMgrSys类

package RentCar;import java.util.Scanner;public class RentMgrSys {public static void main(String[] args) {Car car;Bus bus;Trunk trunk;String vehicleId, type, brand;int days,seats,tonnage;Scanner sc = new Scanner(System.in);System.out.println("1.轿车      2.客车     3.卡车");System.out.print("请选择你要租赁的汽车类型:");vehicleId = sc.next();if("1".equals(vehicleId)){System.out.println("1.宝马     2.别克");System.out.print("请选择你要租赁的轿车品牌:");brand = sc.next();if("1".equals(brand)){System.out.println("1.550i   2.X6");System.out.print("请选择你要租赁的轿车型号:");type = sc.next();if("1".equals(type)){System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京CNY3284");car = new Car(vehicleId, brand, type, 600);System.out.print("您需要支付的租赁费用是:"+car.calRent(days)+"元");}else if("2".equals(type)){System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京NY28588");car = new Car(vehicleId, brand, type, 800);System.out.print("您需要支付的租赁费用是:"+car.calRent(days)+"元");}}else if("2".equals(brand)){System.out.println("1.林荫大道   2.GL8");System.out.print("请选择你要租赁的轿车品牌:");type = sc.next();if("1".equals(type)){System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京NT37465");car = new Car(vehicleId, brand, type, 300);System.out.print("您需要支付的租赁费用是:"+car.calRent(days)+"元。s");}else if("2".equals(type)){System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是:  京NT96968 ");car = new Car(vehicleId, brand, type, 600);System.out.print("您需要支付的租赁费用是:"+car.calRent(days)+"元");}}}else if("2".equals(vehicleId)) {System.out.println("1.金杯     2.金龙");System.out.print("请选择你要租赁的客车品牌:");brand = sc.next();if ("1".equals(brand)) {System.out.print("请输入客车的座位数:");seats = sc.nextInt();if (seats <= 16) {System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京6566754");bus = new Bus(vehicleId, brand, 800, seats );System.out.print("您需要支付的租赁费用是:" +bus.calRent(days) + "元");} else {int count1 = seats/16;System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京8696997");bus = new Bus(vehicleId, brand, 800, seats);System.out.print("您需要支付的租赁费用是:" +count1*bus.calRent(days) + "元");}}else if("2".equals(brand)){System.out.print("请输入客车的座位数:");seats = sc.nextInt();if (seats <= 34) {System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京9696996");bus = new Bus(vehicleId, brand, 1500,seats);System.out.print("您需要支付的租赁费用是:" +bus.calRent(days) + "元");} else {int count2 = seats/34;System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京8696998");bus = new Bus(vehicleId, brand, 1500, seats);System.out.print("您需要支付的租赁费用是:" +count2*bus.calRent(days) + "元");}}}else if("3".equals(vehicleId)){System.out.println("1.解放     2.东风");System.out.print("请选择你要租赁的卡车品牌:");brand = sc.next();if ("1".equals(brand)) {System.out.print("请输入需要的卡车吨数:");tonnage = sc.nextInt();System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京JF654321");trunk = new Trunk(vehicleId, brand, 50, tonnage ); //解放卡车每吨每天50元System.out.print("您需要支付的租赁费用是:" +tonnage*trunk.calRent(days) + "元");}else if("2".equals(brand)){System.out.print("请输入需要的卡车吨数:");tonnage = sc.nextInt();System.out.print("请输入您要租赁的天数:");days = sc.nextInt();System.out.println("分配给您的汽车牌号是: 京DF123456");trunk = new Trunk(vehicleId, brand, 60, tonnage); //东风卡车每吨每天60元System.out.print("您需要支付的租赁费用是:" +tonnage*trunk.calRent(days) + "元");}}}}

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