public class Constants {
    public static final String URL= "http://192.168.43.68/";
    public static final String ROOT_URL = URL+"android/crud_api/";
    public static final String URL_ADD = ROOT_URL+"add.php";
    public static final String URL_DELETE = ROOT_URL+"delete.php";
    public static final String URL_UPDATE = ROOT_URL+"update.php";
    public static final String URL_SELECT = ROOT_URL+"select.php";
    public static final String URL_SELECT_ID = ROOT_URL+"select_id.php";
}