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Array-1 > rotateLeft3
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Given an array of ints length 3, return an array with the elements "rotated left" so {1, 2, 3} yields {2, 3, 1}.

rotateLeft3([1, 2, 3]) → [2, 3, 1]
rotateLeft3([5, 11, 9]) → [11, 9, 5]
rotateLeft3([7, 0, 0]) → [0, 0, 7]

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public int[] rotateLeft3(int[] nums) { }


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