[Java]택시요금 code

택시 요금계 만들기

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[MY CODE]

 

CAR CODE

 

public class Car {

          String carName;

          String color;

          String maker;

          int speed;

 

 

 

          public Car() {

                   this("쏘나타","검정색","현대");

          }

 

 

          public Car(String color) {

                   this("쏘나타",color,"현대");

          }

 

 

          public Car(String carName,String color) {

                   this(carName,color,"현대");

          }

 

 

          public Car(String carName,String color, String maker) {

                   //super(); //생략가능.클래스 상속하기 위해선 반드시 메모리 올라가야함.

                               //메모리 올라가는 시점은 생성자 호출되는 시점. new할때!

                               //모든 클래스의 최상위 클래스는 object 이고 그것을 호출하는 것이 super이다.

                   this.carName = carName;

                   this.color = color; this.maker = maker;

          }

 

 

          int speedUp(int speed) {

                   this.speed += speed;

                   return this.speed;

          }

 

 

          int speedDown(int speed) {

                   this.speed -= speed;

                   if (this.speed <0) stop();

                   return this.speed;

          }

 

 

          void stop() {

                   speed= 0;

          }

 

          String info() {

                   return maker + "에서 만든 " + color + " " + carName;

          }

}

 

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TAXI CODE

 

 

int totalPrice;

          int price;

          int initHour;

          int sumHour;

 

          public Taxi() {

                   //super(); //생략가능. 상위클래스 생성자 중에서 default 값 불러옴

                            // this와 super는 코드 맨윗줄에 있어야함.

                            // Object > Car > Taxi 순으로 메모리에 만들어짐.

                           //Taxi에서 super 불러오면 Car 의 super 불러지고 car의 상위 class는 default이기 때문에

                             최종적으로 object 불러와짐.

                            //그 후 object 메모리에 올라가고 car 올라가고 taxi 올라감.

                   basicPrice = 3800;

          }

 

          public Taxi(String carName,String color, String maker) {

                   //상속은 생성자 상속X되기 때문에 Taxi에 Car과 같은 String3개짜리 만들어라.

                   super(carName,color,maker); //상위클래스의 이름,색,maker에 내가 지정한것 넣음.

                   basicPrice = 3800;

          }

 

          int initPrice() {

                   // 시작버튼

                   Calendar calendar = Calendar.getInstance();

                   initHour = calendar.get(Calendar.HOUR_OF_DAY); // 시작했을 때 시간

                   return initHour;

          }

 

          int sumPrice(int km){

                   if (initHour >=0 && initHour<=6){ // 시작 시간이 0~6시면

                            basicPrice = 5000;                      //기본요금 5000

                            calcPrice(km);                            //calcPrice 메소드 돌림.

                           price return받음 price +=50*km; //price에 50원/km 더함.

                            totalPrice+=50*km;

                   } else {                                            //일반요금.

                            calcPrice(km);

                   }

 

                   return price;                                     //return price

          }

 

          int calcPrice(int km) {

                   price = basicPrice + 100 * km;

                   totalPrice += price;

                   return price;

          }

}

​

 

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TAXIGUEST CODE

 

public class TaxiGuest {

          public static void main(String[] args) {

                   Taxi t1 = new Taxi();

                   System. out. println("t1 >> " + t1.info());

 

                    //Taxi t2 = new Taxi("K5","감홍색","기아");

                   //System. out. println("t1 >> " + t1.info());//에러남. 생성자는 상속X되기 때문, 따라서 Taxi에 string

                   3개짜리 생성자 만들어줘야함.

 

                   Taxi t2 = new Taxi("K5","감홍색","기아");

                   System. out. println("t1 >> " + t1.info());

 

 

                   int km = 20;

                   System. out. println(t2.info() + "를 타고 구디에서 강남까지 " + km + "km이동!!!");

                   int initHour = t2.initPrice();

                   int price = t2.sumPrice(km);

                   System. out. println("요금 : " + price + "원");

                   System. out. println("누적 수익 : " + t2.totalPrice + "원");

                  

 

                   km = 30;

                   System. out. println(t2.info() + "를 타고 강남에서 구디까지 " + km + "km이동!!!");

                   initHour = t2.initPrice();

                   price = t2.sumPrice(km);

                   System. out. println("요금 : " + price + "원");

                   System. out. println("누적 수익 : " + t2.totalPrice + "원");

 

          }

}

 

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[선생님 코드]

 

Taxi code

 

import java.util.*;

 

public class Taxi extends Car {

 

          int basicPrice;

          int totalPrice;

          int price;

          int pricePerKm;

 

          public Taxi() {

                   super();

          }

 

          public Taxi(String carName, String color, String maker) {

                   super(carName, color, maker);

          }

 

          void initPrice() {

                   Calendar calendar = Calendar.getInstance();

                   int hour = calendar.get(Calendar.HOUR_OF_DAY);

                   if(hour < 6) {

                            basicPrice = 5000;

                            pricePerKm = 150;

                   } else {

                            basicPrice = 3800;

                            pricePerKm = 100;

                   }

          }

 

          int calcPrice(int km) {

                   price = basicPrice + (km * pricePerKm);

                   return price;

          }

 

          void sumPrice() {

                   totalPrice += price;

                   price = 0;

                   basicPrice = 0;

          }

}

 

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TaxiGuest code

 

public class TaxiGuest {

          public static void main(String[] args) {

                   Taxi t1 = new Taxi();

                   System.out.println("t1 >> " + t1.info() + " 기본요금 : " + t1.basicPrice);

 

 

                   Taxi t2 = new Taxi("K5", "감홍색", "기아");

                   System.out.println("t2 >> " + t2.info() + " 기본요금 : " + t2.basicPrice);

 

 

                   int km = 20;

                   t2.initPrice();

                   System.out.println(t2.info() + "를 타고 구디에서 강남까지 " + km + "km이동!!!");

                   int price = t2.calcPrice(km);

                   t2.sumPrice();

                   System.out.println("요금 : " + price + "원");

                   System.out.println("누적 수익 : " + t2.totalPrice + "원");

 

 

                   km = 20;

                   t2.initPrice();

                   System.out.println(t2.info() + "를 타고 강남에서 구디까지 " + km + "km이동!!!");

                   price = t2.calcPrice(km); t2.sumPrice(); System.out.println("요금 : " + price + "원");

                   System.out.println("누적 수익 : " + t2.totalPrice + "원");

          }

}

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[결과]

 

할증 붙음.

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[출처] 빡쏘끼룩