BMICalculator

import java.io.*;

public class BMICalculator {

	public static void main(String[] args) {
		
		int i = 100;
		String s1 = getInput("Your weight in kg: ");
		String s2 = getInput("Your height in cm: ");
		
		System.out.println("Your weight: " + (s1) + " kg");
		System.out.println("Your height: " + (s2) + " cm");
		
		double d1 = Double.parseDouble(s1);
		double d2 = Double.parseDouble(s2);
		double result = d1 / ((d2 / i) * (d2 / i));
		
		System.out.println("Your BMI: " + result);
	}
	
	private static String getInput(String prompt) {
		BufferedReader stdin = new BufferedReader(
				new InputStreamReader(System.in));

		System.out.print(prompt);
		System.out.flush();
		
		try {
			return stdin.readLine();
		} catch (Exception e) {
			return "Error: " + e.getMessage();
		}
	}

}