ندى سعيد2

/* انا كتبت هذا الكود وكنت عاوزة اعرف ازاى اعمل متغير اسمه percentage لكل نوع من BMI  واجيب النسبة المئوية لكل نوع واطبع افضل مدينة وأسوء مدينة
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package javaapplication8;
import java.util.*;

public class JavaApplication8
{

    private static String nameofcity;
    private static String numberofpeople;

     
    public static void main(String[] args ) {
        Scanner input = new Scanner(System.in);
        
        
                   double percnormal;
double normal=0;
        int citynumbers;
        int peoplenumbers=0;
        int totalpeople=0;
        double peopleonoverweight=0,obese = 0;
        double peopleonnormalweight=0;
        double peopleonounderweight=0;
         System.out.println("Enter number of cities");
        citynumbers = input.nextInt();
        while ( citynumbers<6){
  System.out.println("wrong input");
    System.out.println("Enter the number of cities equal or big than 6");
    citynumbers = input.nextInt();
        }
        System.out.println("Enter your city name");
        nameofcity = input.next();
        System.out.println("Enter the number of people");
         numberofpeople=input.next();
        System.out.println("Enter person 1 weight");
        String person1 =input.next();
        System.out.println("Enter person 1 hight");
        String person1hight=input.next();
        System.out.println("Please Enter your name");
        String nameofuser=input.next();
        System.out.println("please Enter your weight");
        String yourweight=input.next();
         int city = 0;
        
        {
          System.out.println("enter your city name"); 
          String user=input.next();
        }
        double persons ;
        
        for (persons = 0; persons <= 10; persons++ ) {
            System.out.println("number of people");
        }
        double BMI;
        for ( BMI = 0; BMI <=16.5; BMI++ )
        {
            System.out.println("Enter your BMI");
            BMI=input.nextDouble();
            double mass;
            System.out.println("Enter your mass" );
            mass=input.nextDouble();
            double weight;
              System.out.println("Enter your weight" );
             weight=input.nextDouble();
             double height;
              System.out.println("Enter your height" );
             height=input.nextDouble();
             BMI=mass/(height*height);
             double underweight;
             underweight=input.nextDouble();
             if (BMI <16.5)
             {   
                 System.out.println("your BMI is underweight"+1);
             underweight+=1;
             }
             else if (BMI<25&& BMI>16.5){
                 
                 normal=(int) input.nextDouble();
                 System.out.println("your BMI is normal"+1);
                 normal=normal+1;
             }
             else if (BMI<30 && BMI>25){
                 double overweight;
                 overweight=input.nextDouble();
                 System.out.println("your BMI is overweight");
                 overweight=overweight+1;
             } 
             else if (BMI>=30){
 System.out.println("your BMI is obese");
                obese = obese+1;
              
                
            
                
                percnormal = (normal / peoplenumbers )*100;  
             
            

             }