Code

else {
                                player.closeInventory();
                                JSONMessage.create(Variables.server + "Do you like to change the gamemode of " + player_list.get(i).getDisplayName() + " §r§7to survival")
                                        .then("§a§nyes ")
                                        .tooltip("Click to go")
                                        .runCommand("/gamemode survival " + player_list.get(i))
                                        .then("§r§7or")
                                        .then("§c§nno§r§7!")
                                        .tooltip("Click to go")
                                        .runCommand("/gui")
                                        .send(player);
                                player.playSound(player.getLocation(), Sound.UI_TOAST_OUT, 1f, 1f);
                            }