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simona1@sfusd.edu arrays4 > firstHalfArray
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Given an array nums, return a new array that contains the first half of the elements. The resulting array should have a length of nums.length/2


firstHalfArray([1, 2, 1, 1]) → [1, 2]
firstHalfArray([1, 2, 1]) → [1]
firstHalfArray([1]) → []

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

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