Java实现简单汽车租赁系统

package cn.jbit.car;
 
public abstract class MotoVehicle {
 private String no;
 private String brand;
 /**
 * 无参构造方法
 */
 public MotoVehicle() {
 
 }
 /**
 * 有参构造方法
 * @param no 汽车牌号
 * @param brand 汽车品牌
 */
 public MotoVehicle(String no,String brand) {
 this.no=no;
 this.brand=brand;
 }
 
 public String getNo() {
 return no;
 }
 
 public String getBrand() {
 return brand;
 }
 public abstract int calRent(int days);
}

package cn.jbit.car;
 
public class Car extends MotoVehicle{
 private String type;
 public Car() {
 
 }
 public Car (String no,String brand,String type) {
 super(no,brand);
 this.type=type;
 }
 
 public String getType() {
 return type;
 }
 
 public void setType(String type) {
 this.type = type;
 }
 @Override
 public int calRent(int days) {
 // TODO Auto-generated method stub
 if("2".equals(type)) {
  return days*500;
 }
 else if ("1".equals(type)) {
  return days*600;
 }
 else {
  return 300*days;
 }
 } 
}

package cn.jbit.car;
 
public class Bus extends MotoVehicle {
 int CountSet;
 public Bus() {
 }
 /**
 * 带参构造函数
 */
 public Bus(String brand,String no,int CountSet) {
 super(brand,no);
 this.CountSet=CountSet; 
 }
 public int getCountSet() {
 return CountSet;
 } 
 public void setCountSet(int countSet) {
 CountSet = countSet;
 }
 
 @Override
 public int calRent(int days) {
 // TODO Auto-generated method stub
 if(CountSet<16) {
  return 800*days;
 }
 else {
  return 1600*days;
 }
 }
 
}

package cn.jbit.car;
import java.util.Scanner;
 
public class Test {
 public static void main(String[] args) {
 String no,brand,mtype;
 int countSet,days;
 Scanner input=new Scanner(System.in);
 System.out.println("*****欢迎来到汽车租赁公司！******");
 System.out.println("请输入天数：");
 days=input.nextInt();
 System.out.println("请输入车辆类型：");
 System.out.println("1、轿车  2、客车");
 mtype=input.next();
 if("1".equals(mtype)) {
  System.out.println("请输入轿车品牌：");
  System.out.println("1、宝马 2、别克");
  brand=input.next();
  if("1".equals(brand)) {
  System.out.println("2、宝马550i:500");
  System.out.println("请输入轿车型号：");
  mtype=input.next();
  System.out.println("请输入辆数：");
  int count=input.nextInt();
  Car car=new Car("辽B000",brand,mtype);
  System.out.println("您需支付："+count*car.calRent(days));
  
  }
  else {
  System.out.println("1、别克商务GL8：600  3、别克林荫大道:300");
  mtype=input.next();
  System.out.println("请输入辆数：");
  int count=input.nextInt();
  Car car=new Car("辽B000",brand,mtype);
  System.out.println("您需支付："+count*car.calRent(days));
  }
 }
 else {
  System.out.println("请输入品牌：");
  System.out.println("1、金杯  2、金龙");
  brand=input.next();
  System.out.println("请输入座位数：");
  countSet=input.nextInt();
  System.out.println("请输入辆数：");
  int count=input.nextInt();
  Bus b=new Bus(brand,"辽B000",countSet);
  System.out.println("您需支付："+b.calRent(days)*count);
 }
 }
 
}