Question: 11. Fill in the missing Return Value and Stack columns for the following methods calls on an initially empty Stack of integers. Assume that any
11. Fill in the missing "Return Value" and "Stack" columns for the following methods calls on an initially empty Stack of integers. Assume that any operations that fail due to the state of the list return null. Return Value Stack Method push(7) pop() pop() size() push(9) push(4) top() pop() push(7) pop()
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