汽车租赁系统-java.doc

实现租车汽车租赁系统，不同车型日租金情况如表7-1所示；
车型及日期
轿车
客车
车型
别克Gl8
宝马750
别克凯越
<=19座
>19座
日租金（元/天）
750
600
500
800
1200

编程实现计算不同车型不同天数的租赁费用。
package zuche;
public abstract class MotoVehicle {
private String no;
private String brand;
int []fee= { 750,600,500,800,1200};
public MotoVehicle() {}
public MotoVehicle(String no,String brand) {
this.no=no; this.brand=brand;
}
public String getNo() {
return no;
}
public String getBrand() {
return brand;
}
public void setBrand(String brand) {
this.brand=brand;
}
public void setNo(String no) {
this.no=no;
}
public void printInfo() {
System.out.println("***汽车的信息***"+"\n汽车品牌"+this.brand+"\n车牌号"+this.no);
}
public abstract void calRent(int days) ;

}

package zuche;
public class Car extends MotoVehicle {
private String type; //String [] type1= {"别克凯越","宝马730","别克凯越","中小客车(19座以内)","大型客车(19座以上)"};
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;
}
public void printInfo() {
//super.printInfo();//调用父类的构造方法，子类不能直接继承父类的构造方法；
System.out.println("***汽车的信息***"+"\n汽车品牌"+getBrand()+"\n型号"+this.type+"\n车牌号"+getNo());
}
public void calRent(int days) {
int rent=0;
if("宝马".equals(getBrand()))
{
rent=days*600; }
else if("别克".equals(getBrand())&&"gl8".equals(this.type))
{rent=days*750;}
else
{rent=days*500;}

System.out.println(" 你的租车费用为"+rent+"元");

}
}

package zuche;

public class Bus extends MotoVehicle{
private int seatCount;
public Bus() {}
public int getSeatCount() {
return seatCount;
}
public void setSeatCount(int seatCount) {
this.seatCount=seatCount;
}
public void printInfo() {
System.out.println("***汽车的信息***"+"\n车牌号"+getNo()+"\n客车座位数"+this.seatCount+"座");
}
public void calRent(int days) {
int rent=0;
if(seatCount<=19) {rent=days*800;
}else {
rent=days*1200;
}
System.out.println("你的租车费用为"+rent+"元");

}
}

package zuche;
import java.util.Scanner;
public class TestRent {
public static void main(String[]args) {
Scanner input=new Scanner(System.in);
//int carType;

String answer;

int day=0;
Car c=new Car();
Bus b=new Bus();
System.out.println("**欢迎光临西树东花租车**");
System.out.println("***********************");

int random=(int)(Math.random()*89999+10000);//random()的取值范围为[0,1);
do {System.out.println("轿车请选:1"+"\n货车请选:2");
c.setNo("黑A\t"+random);
if(input.nextInt()==1) {
System.out.println("请输入汽车的品牌(1.宝马、2.别克)");
switch(input.nextInt()) {
case 1:
c.setBrand("宝马");
c.setType("730");
c. printInfo();
System.out.println("请输入租车天数");
c.calRent(input.nextInt()); break;
case 2:
System.out.println("请选择别克车的类型：gl8、凯越");
if(input.nextInt()==1){
c.setBrand("别克");
c.setType("gl8");
c. printInfo();
System.out.println("请输入租车天数");
c.calRent(input.nextInt()); }else {

c.setBrand("别克");
c.setType("凯越");
c. printInfo();
System.out.println("请输入租车天数");
c.calRent(input.nextInt()); }

}}
else {System.out.println("请选择客车的座位数：19座下/19座以上");
b.setNo("黑A"+random);
switch(input.nextInt()) {
case 1:b.setSeatCount(17);

b.printInfo();
System.out.println("请输入租车天数");
b.calRent(input.nextInt()); break;
case 2:
b.setSeatCount(21);
b.printInfo();
System.out.println("请输入租车天数");
b.calRent(input.nextInt()); break;
}}

System.out.println("是否继续租车 y/n");
answer=input.next();
}
while( answer.equals("y"));
if(answer.equals("n")) { System.out.println("欢迎下次光临");}}}