Array With Elements Not Equal to Average of Neighbors LeetCode solution in Java

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class Solution {
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  public int[] rearrangeArray(int[] nums) {
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    Arrays.sort(nums);
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    // sort in wave format
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    for (int i = 0; i < nums.length - 1; i += 2) {
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      int temp = nums[i];
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      nums[i] = nums[i + 1];
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      nums[i + 1] = temp;
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    }
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    return nums;
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  }
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}