GroceryItemOrder Class:

Name your class as: $$GroceryItemOrder$.$java$$

You are to design a class $$GroceryItemOrder$$ which represents an item to be included in the

list.

Fields $($of course, all fields are private$)$:

$$ A string named name to store the name of the item in the list.

$$ An integer named quantity to store the quantity of the item to be purchased.

$$ A double named pricePerUnit to store the price of each item in the list.

Constructor:

$$ Takes three parameters as the user$$s input for the name of the item, quantity of the item

and price of each item.

$$ The constructor initializes the name, quantity, pricePerUnit fields in the class using the

constructor arguments.

Methods $($be certain to declare the header of each method as listed here$)$:

$$ getCost doesn$$t take any arguments but returns the total cost of this item order.

$$ setQuantity takes a new quantity to be modified$($as an integer $1,2,5,6,$ etc..$)$ and this

method doesn$$t return anything to the user.

$$ toString displays the item value ex: $2$ of chicken or $3$ of eggs.