哒哒租车系统上线啦！！！求指点
package Dadacar;
public interface Laden {//载货量接口
public double Ccy (double T_ccy);
}package Dadacar;
public interface Passenger {//载客量接口
public int Cpy (int T_cpy);
}package Dadacar;
public class Machine {//交通工具父类
static int Capacity;
static double CargoCapacity;
static String Model;
}package Dadacar;
//客车子类
public class Coach extends Machine implements Passenger {
public static String mod(String T_model){
Machine.Model = T_model;
return Model;
}
public int Cpy(int T_cpy) {
Machine.Capacity = T_cpy;
return Capacity;
}
public void S_coach(){
System.out.println(Coach.mod("小型客车"));
Passenger S_c = new Coach();
System.out.println("载货量为："+S_c.Cpy(5)+"人");
System.out.println("200元/天");
}
public void B_coach(){
System.out.println(Coach.mod("大型客车"));
Passenger B_c = new Coach();
System.out.println("载货量为："+B_c.Cpy(50)+"人");
System.out.println("800元/天");
}
}package Dadacar;
//货车子类
public class Truck extends Machine implements Laden{
@Override
public double Ccy(double T_ccy) {
// TODO 自动生成的方法存根
Machine.CargoCapacity = T_ccy;
return CargoCapacity;
}
public static String mod(String T_model){
Machine.Model = T_model;
return Model;
}
public void S_truck(){
System.out.println(Truck.mod("小型货车"));
Laden S_l = new Truck();
System.out.println("载货量为："+S_l.Ccy(5.0)+"T");
System.out.println("500元/天");
}
public void B_truck(){
System.out.println(Truck.mod("大型货车"));
Laden B_l = new Truck();
System.out.println("载货量为："+B_l.Ccy(25.0)+"T");
System.out.println("1500元/天");
}
}package Dadacar;
//皮卡子类
public class Pickup extends Machine implements Passenger, Laden {
public static String mod(String T_model){
Machine.Model = T_model;
return Model;
}
public double Ccy(double T_ccy) {
Machine.CargoCapacity = T_ccy;
return CargoCapacity;
}
public int Cpy(int T_cpy) {
Machine.Capacity = T_cpy;
return Capacity;
}
public void Pickup(){
System.out.println(Pickup.mod("皮卡"));
Laden P_l = new Pickup();
System.out.println("载货量为："+P_l.Ccy(1.0)+"T");
Passenger P_p = new Pickup();
System.out.println("载客量为："+P_p.Cpy(5)+"人");
System.out.println("700元/天");
}
}package Dadacar;
import java.util.Scanner;
//调试mian函数
public class Debugging {
static int days;
public static int Daynum(int newday){
Scanner PutIn = new Scanner(System.in);
System.out.println("是否需要购买此车Y/N");
String Put = PutIn.nextLine();
char In = Put.charAt(0);
if(In=='Y'||In=='y'){
System.out.println("请输入租车天数");
newday =PutIn.nextInt();
if(newday>30){System.out.println("您输入的数量不能大于30");
newday = 0;}
Debugging.days = 0;
days = newday;
return days;}else{return 0;}
}
public static void main(String[] args) {
System.out.println("是否进入租车系统Y/N");
Scanner GetInto = new Scanner(System.in);
String Get =GetInto.nextLine();
char Into = Get.charAt(0);
if(Into=='Y'||Into=='y'){
int money = 0;
Truck T_truck = new Truck();
Coach T_coach = new Coach();
Pickup T_pickup = new Pickup();
int num = 0;
do{
System.out.println("你可以租用的车子有:");
System.out.println("您当前需要支付金额是"+money+"元");
System.out.println("1.小型货车");
System.out.println("2.大型货车");
System.out.println("3。小型客车");
System.out.println("4.大型客车");
System.out.println("5.皮卡");
System.out.println("0.结算金额");
System.out.println("请输入你要租用的汽车编号");
int Number = GetInto.nextInt();
switch(Number){
case 1:T_truck.S_truck();
Debugging.Daynum(0);
money = money+(500*days);
break;
case 2:T_truck.B_truck();
Debugging.Daynum(0);
money = money+(1500*days);
break;
case 3:T_coach.S_coach();
Debugging.Daynum(0);
money = money+(2500*days);
break;
case 4:T_coach.B_coach();
Debugging.Daynum(0);
money = money+(800*days);
break;
case 5:T_pickup.Pickup();
Debugging.Daynum(0);
money = money+(700*days);
break;
case 0:System.out.println("已退出选车");
num=num+1;
break;
}
}while(num==0);
System.out.println("您租车的费用总共是"+money);
}else if(Into=='N'||Into=='n'){
System.out.println("退出租车系统！");
}
else {
System.out.println("输入错误，自动退出");
}
}
}老师给的那个我没看清楚，就根据自己这几天学的写了一下
