/*
   Chapter 3:  Chapter Walk Through(The Body Mass Index Calculator)
   Programmer: Brad Shedd
   Date:       April 17, 2006
   Filename:   BodyMass.java
   Purpose:    This project calculates the body mass index based
               on a person's height and weight.
*/

import java.io.*; // loads in io package to allow for data entry

public class BodyMass
{
   public static void main(String[] args) throws IOException // warns compiler of input output errors
   {
      // delare and construct variables
      String height, weight;
      int inches, pounds;
      double kilograms, meters, index;
      BufferedReader dataIn= new BufferedReader(new InputStreamReader(System.in));
      index = 0;
      while (index != 1)
      {
      // print prompts and get input
      System.out.println("\tTHE SUN FITNESS CENTER BODY MASS INDEX CALCULATOR");
      System.out.println();
      System.out.print("\t\tEnter your height to the nearest inch: ");
         height = dataIn.readLine();
         inches = Integer.parseInt(height);
      System.out.print("\t\tEnter your weight to the nearest pound: ");
         weight = dataIn.readLine();
         pounds = Integer.parseInt(weight);

         // calculations
         meters = inches / 39.36;
         kilograms = pounds / 2.2;
         index = kilograms / Math.pow(meters,2);

         // output
         System.out.println();
         System.out.println("\tYOUR BODY MASS INDEX IS " + Math.round(index) +".");
         System.out.println();
      }
   } // end of main method
} // end of BodyMass class

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