How to get product collection using a factory method in Magento 2

Get product collection using a factory method in a block file in magento:

namespace Vendorname\Modulename\Block;
class Product extends \Magento\Framework\View\Element\Template
{
    protected $productFactory;

    public function __construct(
        \Magento\Backend\Block\Template\Context $context,
        \Magento\Catalog\Model\ResourceModel\Product\CollectionFactory $productFactory,
        array $data = []
    )
    {
        $this->productFactory = $productFactory;
        parent::__construct($context, $data);
    }

    public function getProductCollection()
    {
        $collection = $this->productFactory->create();
        return $collection;
    }
}

namespace Vendorname\Modulename\Block;

class Product extends \Magento\Framework\View\Element\Template

{

protected $productFactory;

public function __construct(

\Magento\Backend\Block\Template\Context $context,

\Magento\Catalog\Model\ResourceModel\Product\CollectionFactory $productFactory,

array $data = []

)

{

$this->productFactory = $productFactory;

parent::__construct($context, $data);

}

public function getProductCollection()

{

$collection = $this->productFactory->create();

return $collection;

}

How to get product collection in .phtml file. getProductCollection method form our block file.

$productCollection = $block->getProductCollection();

foreach ($productCollection as $product) {
    echo “<pre>”;
    print_r($product->getData());
    echo “</pre>”;
}

$productCollection = $block->getProductCollection();

foreach ($productCollection as $product) {

echo “<pre>”;

print_r($product->getData());

echo “</pre>”;

}

You can get objectManager throw get product collection but it’s not proper way.

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();

$productCollection = $objectManager->create(‘Magento\Catalog\Model\ResourceModel\Product\CollectionFactory’);

$collection = $productCollection->create()
            ->addAttributeToSelect(‘*’)
            ->load();

foreach ($collection as $product){
    echo “<pre>”;
    print_r($product->getData());
    echo “</pre>”;
}