자바빈 패턴 -일관성이 훼손 가능하고, 항상 변경이 가능하다.

NutritionFactsEx2.java

package com.tistory.seungdols.effetive.ex_1;

/**
 * @PROJECT effectiveJava
 * @PACKAGE com.tistory.seungdols.effetive.ex_1
 * @WRITTER Administrator
 * @DATE 2015-09-21
 * @HISTORY
 * @DISCRIPT
 */
public class NutritionFactsEx2 {
    private int servingSize = -1;
    private int servings = -1;
    private int calories = 0;
    private int fat = 0;
    private int sodium = 0;
    private int carbohydrate = 0;

    public NutritionFactsEx2() {
    }

    public int getServingSize() {
        return servingSize;
    }

    public void setServingSize(int servingSize) {
        this.servingSize = servingSize;
    }

    public int getServings() {
        return servings;
    }

    public void setServings(int servings) {
        this.servings = servings;
    }

    public int getCalories() {
        return calories;
    }

    public void setCalories(int calories) {
        this.calories = calories;
    }

    public int getFat() {
        return fat;
    }

    public void setFat(int fat) {
        this.fat = fat;
    }

    public int getSodium() {
        return sodium;
    }

    public void setSodium(int sodium) {
        this.sodium = sodium;
    }

    public int getCarbohydrate() {
        return carbohydrate;
    }

    public void setCarbohydrate(int carbohydrate) {
        this.carbohydrate = carbohydrate;
    }

    public static void main(String[] args) {
        NutritionFactsEx2 coca = new NutritionFactsEx2();
        coca.setServingSize(240);
        coca.setCalories(100);
        coca.setServings(120);
    }
}