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array_shiftRight


Given an integer array "arr", return the array with every element shifted one spot to the right. Make the last element wrap around and become the new first element.


array_shiftRight([1, 2]) → [2, 1]
array_shiftRight([1, 2, 3]) → [3, 1, 2]
array_shiftRight([4, 2, 1, 3]) → [3, 4, 2, 1]

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public int[] array_shiftRight(int[] arr) { }

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