Magento 2 – How to Check If Customer Login Or Not?

/ Learn Magento 2 Adobe Commerce / By Saphal

protected $customerSession;

public function __construct(
    \Magento\Customer\Model\SessionFactory $customerSession
) {
    $this->customerSession = $customerSession;
}

public function isLoggedIn()
{
    return $this->customerSession->create()->isLoggedIn();
}

use isLoggedIn() method to get value