Division without / operator

Divide.java

class Divide {

    public static int divide(int dividend, int divisor) throws Exception {
       int result = 0;
       int sign = 1;
       
       if (divisor == 0) {
           System.out.println("Divide by 0 error");
           throw new  Exception("Divide by 0");
       }

       if (divisor < 0 ) {
           sign *= -1;
           divisor *= -1;
       }
       if (dividend < 0)  {
           sign *= -1;
           dividend *= -1;
       }
       while (dividend > divisor) {
           dividend -= divisor;
           result++;
       }
       return result * sign;
    }

    public static void main(String[] args) {
        try {
            int res = Divide.divide(-7,-3);
            System.out.println(res);
        }
        catch(Exception e) {
            e.printStackTrace();
        }
    }

}

use SoftDeletes;

protected $table = 'cities';

/**
 * Use timestamps 
 *
 * @var boolean
 */
public $timestamps = true;


protected $fillable = ['name'];

protected $dates = [];

/**
 * districts
 *
 * @return \Illuminate\Database\Eloquent\Relations\HasMany
 */
public function districts()
{
    return $this->hasMany(District::class, 'city_id');
}

public function wards()
{
    return $this->hasManyThrough(Ward::class, District::class);
}

$(document).ready(function() {
  
    $(document).on('click', '.delete-city', function(event) {
      
        event.preventDefault();
       
        showConfirm(event.currentTarget);

       
    })
});


function showConfirm(e) {
    Swal.fire({
        title: 'Are you sure?',
        html: "<p>Delete <b>" + $(e).data('name') + "</b></p> <p>You won't be able to revert this!</p>",
        icon: 'warning',
        showCancelButton: true,
        cancelButtonColor: '#3085d6',
        confirmButtonColor: '#d33',
        confirmButtonText: 'Confirm'
    }).then((result) => {
        if (result.isConfirmed) {
            ajaxDelete(e);
        }
    });
}


function ajaxDelete(e) {
    var url = $(e).prop('href');
    var id = $(e).data('id');
    $.ajax({
        method: "POST",
        url: url,
        data: {
            id: id
        }
    }).done(function(response) { 
        let reload_url = $(e).data('return-url');
      
        let target = $('#city-list');
        reloadWardList(reload_url, target);
        Swal.fire(
            'Deleted!',
            response.message,
            'success'
        );

    }).fail(function(response) { 
        Swal.fire(
            'Error',
            response.responseJSON.message,
            'error'
        )
    });
}


function reloadWardList(url, target) {
    $.ajax({
        method: 'GET',
        url: url
    }).done(function(response) {
        $(target).html(response.data);
    }).fail(function() {
        Swal.fire(
            'Error',
            'Unable to reload the Ward list. Try again.',
            'error'
        )
    });
}

Router::get('/city/add','App\Controllers\CityController@AddForm');

Router::post('/city/add','App\Controllers\CityController@add');
Router::get('/city/list','App\Controllers\CityController@city_list');
Router::post('/city/delete','App\Controllers\CityController@delete');
Router::get('/city/edit/(\d+)','App\Controllers\CityController@showFormedit');
Router::post('/city/edit','App\Controllers\CityController@edit');

<VirtualHost *:80>
DocumentRoot "D:/htdocs/mvc/public/"
ServerName mvc.local
ErrorLog "error.log"
CustomLog "access.log" common
<Directory "D:/htdocs/mvc/public/">
Options Indexes FollowSymLinks Includes ExecCGI
AllowOverride All
Require all granted
Allow from all
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)$ index.php?url=$1

<VirtualHost *:80>
DocumentRoot "D:/htdocs/mvc/public/"
ServerName mvc.local
ErrorLog "error.log"
CustomLog "access.log" common
<Directory "D:/htdocs/mvc/public/">
Options Indexes FollowSymLinks Includes ExecCGI
AllowOverride All
Require all granted
Allow from all
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)$ index.php?url=$1

helllo moi ng