You are employed as a developer at ABC.com. You have created a new application for ABC.com. The new application makes use of a stack data structure to handle data. You want to perform a queue operation that enables you to locate the data item that is next in line for processing, without processing that data item. What option should you make use of?

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You are employed as a developer at ABC.com. You have created a new application for ABC.com. The new application makes use of a stack data structure to handle data. You want to perform a queue operation that enables you to locate the data item that is next in line for processing, without processing that data item. What option should you make use of?