// CSE 142, Autumn 2009, Marty Stepp
// This program computes two people's body mass index (BMI) and
// compares them.  The code uses parameters, returns, and Scanner.
// 
// This version of the program is incomplete.  BMI2.java is the full version.

import java.util.*;  // so that I can use Scanner

public class BMI {
    public static void main(String[] args) {
        System.out.println("This program reads in data for two people and");
        System.out.println("computes their body mass index (BMI)");
        System.out.println();
        
        Scanner console = new Scanner(System.in);
        person(console);
        person(console);
    }
    
    // Processes one of the two people.
    public static void person(Scanner console) {
        System.out.println("Enter next person's information:");
        System.out.print("height (in inches)? ");
        double height = console.nextDouble();
        System.out.print("weight (in pounds)? ");
        double weight = console.nextDouble();
        
        double bodyMass = bmi(height, weight);
        System.out.println("Person's BMI = " + bodyMass);
    }
    
    // Computes and returns a person's BMI for the given height and weight.
    public static double bmi(double height, double weight) {
        double result = weight / (height * height) * 703;
        return result;
    }
}