OOP1

import java.util.Scanner;
public class BMICalculator {
    public static void printIntroduction() {
        System.out.println("Hello!This is a program for body mass index calculator.");
    }
    public static double getBMI(Scanner scanner) {
        System.out.println("Input weight: ");
        double weight = scanner.nextInt();
        System.out.println("Input height: ");
        double height = scanner.nextInt();
        return bmiFor(weight, height);
    }
    public static double bmiFor(double W, double H) {
        double bodymassindex = W * 703 / (H * H);
        return bodymassindex;
    }
    public static String getStatus(double bmi) {
        if (bmi < 18.5) {
            return "underweight";
        }else if (bmi < 25){
            return "normal";
        }else if (bmi < 30){
            return "overweight";
        }else{
            return "obese";
        }
    }
    public static void reportResults(int number, int bmi, String status){
        System.out.println("Number "+number+" have BMI = "+bmi+", status: "+status);
    }
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        for(int i=1; true;i++) {
            printIntroduction();
            int bmi = (int) getBMI(scanner);
            String status = getStatus(bmi);
            reportResults(i, bmi, status);
            System.out.println("Continue program Y/N");
            scanner.nextLine();
            if (scanner.nextLine().equals("N")) {
                break;
            }
        }
}
    }