Consider an array of arrays called $cart that is defined as follows:

$cart $=$ array

array$(\text{'}$itemCode$\text{'}=>123,$ 'itemName' $=>$

'Visual Basic'$),$

array $(\text{'}$itemCode$\text{'}=>456,$ 'itemName' $=>$'Java'$)$

;

What will be value of $cart $[1][\text{'}$itemName$\text{'}]?$

$123$

$456.$

Visual Basic

Java