NutritionFacts telescoping

NutritionFacts.java

public NutritionFacts{
  
   private int servingSize; //required
   private int servings;    //required
   //optional parameters initialized to default values
   private int calories;         // optional
   private int fat;              //optional
   private int sodium;           //optional
   private int carbohydrates;    //optional
  
  public NutritionFacts(int servingSize, int servings){
    servingSize = servingSize;
    servings = servings; 
  }
  
  public NutritionFacts(int servingSize, int servings, int calories, fat){
    servingSize = servingSize;
    servings = servings; 
    calories = calories;
    fat = fat;
  }
  
  public NutritionFacts(int servingSize, int servings, int calories){
    servingSize = servingSize;
    servings = servings; 
    calories = calories;
  }
  
}