text: //
  //  Subject.h
  //  BMIDemo
  //
  //  Created by Michael Shafae on 6/30/15.
  //  Copyright (c) 2015 Michael Shafae. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface Subject : NSObject
  /*
   {
   int x;
   NSNumber* heightInKilometers;
   }
   */
  @property (strong, nonatomic) NSNumber* heightInCentimeters;
  @property (strong, nonatomic) NSNumber* weightInKilograms;
  @property (strong, nonatomic) NSNumber* ageInYears;
  @property BOOL isMale;
  @property (readonly) NSNumber* bmr;
  
  -(NSNumber*) bmi;
  +(Subject*) sharedSubject;
  
  @end
  