Question: Which of the following is incorrect about isValidBarCode ( ) of Item? a . It can be invoked without an object of Item b .

Which of the following is incorrect about isValidBarCode() of Item?
a.
It can be invoked without an object of Item
b.
It can be invoked on an object of Item
c.
It is invoked before a new item is added to the list of applications
d.
It is designed to work with the bar code in its parameter

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