[COS PRO 1급 기출문제 - Java] 1-1 음식전문점 운영

edu.goorm.io/learn/lecture/17301/cos-pro-1%EA%B8%89-%EA%B8%B0%EC%B6%9C%EB%AC%B8%EC%A0%9C-java/lesson/839395/1%EC%B0%A8-%EB%AC%B8%EC%A0%9C1-%EC%9D%8C%EC%8B%9D%EC%A0%84%EB%AC%B8%EC%A0%90-%EC%9A%B4%EC%98%81-java

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문제 유형

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문제

// 하단에 import 를 추가할 수 있습니다.
import java.util.*;
 
class Main {
    interface DeliveryStore{
        public void setOrderList(String[] orderList);
        public int getTotalPrice();
    }
    
    class Food{
        public String name;
        public int price;
        public Food(String name, int price){
            this.name = name;
            this.price = price;
        }
    }
    
    class PizzaStore _______________ {
        private ArrayList<Food> menuList;
        private ArrayList<String> orderList;
        
        public PizzaStore(){
            //init menuList
            menuList = new ArrayList<Food>();
            String[] menuNames = {"Cheese", "Potato", "Shrimp", "Pineapple", "Meatball"};
            int[] menuPrices = {11100, 12600, 13300, 21000, 19500};
            for(int i = 0; i < menuNames.length; i++)
                menuList.add(new Food(menuNames[i], menuPrices[i]));
            
            //init orderList
            orderList = new ArrayList<String>();
        }
        
        public _______________{
            for(int i = 0; i < orderList.length; i++)
                this.orderList.add(orderList[i]);
        }
        
        public ________________{
            int totalPrice = 0;
            Iterator<String> iter = orderList.iterator();
            while (iter.hasNext()) {
                String order = iter.next();
                for(int i = 0; i < menuList.size(); i++)
                    if(order.equals(menuList.get(i).name))
                        totalPrice += menuList.get(i).price;
            }
            return totalPrice;
        }
    }
    
    public int solution(String[] orderList) {
        DeliveryStore deliveryStore = new PizzaStore();
        
        deliveryStore.setOrderList(orderList);
        int totalPrice = deliveryStore.getTotalPrice();
        
        return totalPrice;
    }
 

 

풀이

// 하단에 import 를 추가할 수 있습니다.
import java.util.*;
 
class Main {
    interface DeliveryStore{
        public void setOrderList(String[] orderList);
        public int getTotalPrice();
    }
    
    class Food{
        public String name;
        public int price;
        public Food(String name, int price){
            this.name = name;
            this.price = price;
        }
    }
    
    class PizzaStore implements DeliveryStore {
        private ArrayList<Food> menuList;
        private ArrayList<String> orderList;
        
        public PizzaStore(){
            //init menuList
            menuList = new ArrayList<Food>();
            String[] menuNames = {"Cheese", "Potato", "Shrimp", "Pineapple", "Meatball"};
            int[] menuPrices = {11100, 12600, 13300, 21000, 19500};
            for(int i = 0; i < menuNames.length; i++)
                menuList.add(new Food(menuNames[i], menuPrices[i]));
            
            //init orderList
            orderList = new ArrayList<String>();
        }
        
        public void setOrderList(String[] orderList){
            for(int i = 0; i < orderList.length; i++)
                this.orderList.add(orderList[i]);
        }
        
        public int getTotalPrice(){
            int totalPrice = 0;
            Iterator<String> iter = orderList.iterator();
            while (iter.hasNext()) {
                String order = iter.next();
                for(int i = 0; i < menuList.size(); i++)
                    if(order.equals(menuList.get(i).name))
                        totalPrice += menuList.get(i).price;
            }
            return totalPrice;
        }
    }
    
    public int solution(String[] orderList) {
        DeliveryStore deliveryStore = new PizzaStore();
        
        deliveryStore.setOrderList(orderList);
        int totalPrice = deliveryStore.getTotalPrice();
        
        return totalPrice;
    }