Kdjykuj

I want call action function validate() and function save() in function execute()
I'm use

$this->validate();
$this->save();

but hide bug

Uncaught ArgumentCountError: Too few arguments to function Vendor_NameModule_NameControllerAdminhtmlIndexSaveInterceptor::validate(), 0 passed

My code

public function execute()

{

    $data = $this->getRequest()->getParams();

    $attr = $data['attr'];

    $qty = $data['qty'];

    $select = $data['select'];

    $this->validate();

    $this->save();

}

public function validate($attr,$qty,$stockItem,$product){

    try {

        $response["popupValidate"] = $this->_view->getLayout()->createBlock('Vendor_NameModule_NameBlockAdminhtmlAjaxPopupValidate')

        ->setProduct($product)

        ->setQty($qty)

            ->setAttr($attr)

            ->setStockItem($stockItem)

            ->toHtml();

        $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);

        $resultJson->setData($response);

        return $resultJson;

    }

    catch (MagentoFrameworkExceptionNoSuchEntityException $e) {

        $response["error"] = $this->_view->getLayout()

        ->createBlock('Vendor_NameModule_NameBlockAdminhtmlAjaxPopup')

        ->setProduct($product)

        ->setQty($qty)

            ->setAttr($attr)

            ->toHtml();

        $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);

        $resultJson->setData($response);

        return $resultJson;

    }

}

public function save($attr,$qty,$stockItem,$product){

    try {

        $stockItem->setQty($qty);

        $stockItem->save();

        $response["success"] = $this->_view->getLayout()

        ->createBlock('Vendor_NameModule_NameBlockAdminhtmlAjaxPopup') 

        ->setProduct($product)

        ->setQty($qty)

            ->setSku($attr)

            ->toHtml();

        $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);

        $resultJson->setData($response);

        return $resultJson;

    }

    catch (MagentoFrameworkExceptionNoSuchEntityException $e) {

        $response["error"] = $this->_view->getLayout()

        ->createBlock('Vendor_NameModule_NameBlockAdminhtmlAjaxPopup') 

        ->setProduct($product) // setProduct để lấy tên product bên templates

        ->setQty($qty)

            ->setSku($attr)

            ->toHtml();

        $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);

        $resultJson->setData($response);

        return $resultJson;

    }

}