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frew@mclean.com > listEnd22
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Ensure the last two elements of the list are 2, 2. The list may be empty.


listEnd22([4, 9, 3, 2]) → [4, 9, 3, 2, 2]
listEnd22([1, 6, 2, 2]) → [1, 6, 2, 2]
listEnd22([]) → [2, 2]

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public ArrayList<Integer> listEnd22(ArrayList<Integer> list) { }

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