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apcsaArraysSwapLastElements


This function swaps the LAST two elements of a given array of int values, and returns the modified array.


apcsaArraysSwapLastElements([3, 4]) → [4, 3]
apcsaArraysSwapLastElements([5, 8]) → [8, 5]
apcsaArraysSwapLastElements([9, 2, 4, 6]) → [9, 2, 6, 4]

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public int[] apcsaArraysSwapLastElements(int[] nums) { }

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