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          private int calories;
          private int protein;
          private int fat;
          private int ca;
          private int fe;
          private int Va;
          private int Vb;
          ...
          public Nutrition(int cal, int pro){...}
          public Nutrition(int cal, int pro, int fat){...}
          public Nutrition(int cal, int pro, int fat, int ca){...}
          public Nutrition(int cal, int pro, int fat, int ca, int fe){...}
          public Nutrition(int cal, int pro, int fat, int ca, int fe, int ){...}
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