alhisnawy
I wonder
Posted in : Java Beginners
Write two separate Java?s class definition where the first one is a class Health Convertor which has at least four main members:
i. Attribute weight
ii. Attribute height
iii. A method to determine number of calories required by a person
iv. A method to determine body mass index (BMI) of a person.
For your information, a person needs 19 calories per pound of body weight while the BMI is used to calculate the risk of weight-related health problems. BMI is computed by
W/h2
Public HealthConvertor
Public static void main (string[]args)
{
}

Where w is weight in kilograms and h is height in meters.
The last one is an application class definition which will perform the following operations:
a. Creating an object of class HealthConvertor
b. Invokes the defined methods

February 22, 2010 at 2:45 PM

Hi Friend,

Try the following code:

import java.util.*;
class HealthConvertor{
double height;
double weight;
public double determineCalories(double weight){
//1 kg weight requires 41.85 calories
double c=weight*41.85;
return c;
}
public double determineBMI(double weight, double height){
double h=height*height;
double bmi=weight/h;
return bmi;
}
}
public class Application{
public static void main(String[] args){
Scanner input=new Scanner(System.in);
System.out.println("Enter weight in Kilograms: ");
double weight=input.nextDouble();
System.out.println("Enter height in meters: ");
double height=input.nextDouble();
HealthConvertor h=new HealthConvertor();
double caloriesRequired=h.determineCalories(weight);
double bmi=h.determineBMI(weight,height);
System.out.println("Calories required= "+caloriesRequired);
System.out.println("BMI= "+bmi);
}
}

Thanks

I wonder - Java Beginners
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