Question: Write Java methods for a Purchase class. This class must have methods to set and get the bar code (a string of 1s and 0s)

Write Java methods for a Purchase class. This class must have methods to set and get the bar code (a string of 1s and 0s) set and get the product name set and get the unit price set and get the number of units compute the value of the purchase get the value toString method that returns all of the purchase information as a string

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