음식 정보 출력(package)

package Fruit;

public class Food {

int calory;

protected int price;

protected double weight;

 

public int getCalory() {return calory;}; //NoFruit에도 쓸 수 있게 메소드 추가하였다.

public int getPrice() {return price;};

public double getWeight() {return weight;};

 

public void setCalory(int calory) {this.calory = calory;};

public void setPrice(int price) {this.price = price;};

public void setWeight(double weight) {this.weight = weight;};

 

public String toString() {

return "칼로리: " + calory +"\n가격: " + price + "\n무게: " + weight;

 }

 

public Food() {

this.calory = 0;

this.price = 0;

this.weight = 0;

 }

}

 

 

package Fruit;

public class Melon extends Food{

  String farmInfo;

public String getFarmInfo() {return farmInfo;};

public void setFarmInfo(String farmInfo) {this.farmInfo = farmInfo;};

 

public String toString() {

return "칼로리: " + calory +"\n가격: " + price + "\n무게: " + weight + "\n재배농장: " + farmInfo;

 }

}

 

 

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package NoFruit;

import Fruit.Food; //package가 달라 추가하였다.

 

public class Potato extends Food{

public int getUnitPrice() {

double Unitprice = price / weight;

return (int)Unitprice;

  }

 

public String toString() {

return "칼로리: " + getCalory() +"\n가격: " + price + "\n무게: " + weight + "\n단위가격: " + getUnitPrice();

//calory를 가져올 수 없으므로 getCalory를 추가하였다.

  }

}

 

 

 

package NoFruit;

import Fruit.*;

 

public class Practice_68 {

 

public static void main(String[] args) {

Food f0 = new Food();

Melon f1 = new Melon();

Potato f2 = new Potato();

 

f0.setCalory(100);

f0.setPrice(100);

f0.setWeight(12.3);

 

f1.setCalory(200);

f1.setPrice(200);

f1.setWeight(5.5);

f1.setFarmInfo("좋은 이웃들");

 

f2.setCalory(300);

f2.setPrice(200);

f2.setWeight(50.0);

 

System.out.println("음식의 정보입니다.");

System.out.println(f0.toString() + "\n");

System.out.println("멜론의 정보입니다.");

System.out.println(f1.toString() + "\n");

System.out.println("감자의 정보입니다.");

System.out.println(f2.toString() + "\n");

System.out.println("감자의 단위가격은 " + f2.getUnitPrice() + "입니다.");

 

 }

}

 

 

결과: