$objectManager = MagentoFrameworkAppObjectManager::getInstance();
$cart = $objectManager->get('MagentoCheckoutModelCart');
// get quote items collection
$itemsCollection = $cart->getQuote()->getItemsCollection();
// get array of all items what can be display directly
$itemsVisible = $cart->getQuote()->getAllVisibleItems();
// get quote items array
$items = $cart->getQuote()->getAllItems();
foreach($items as $item) {
echo 'ID: '.$item->getProductId().'<br />';
echo 'Name: '.$item->getName().'<br />';
echo 'Sku: '.$item->getSku().'<br />';
echo 'Quantity: '.$item->getQty().'<br />';
echo 'Price: '.$item->getPrice().'<br />';
echo "<br />";
}