Flipping an Image LeetCode solution in Java

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class Solution {
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  public int[][] flipAndInvertImage(int[][] image) {
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    for (int i = 0; i < image.length; ++i) {
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      flip(image[i]);
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    }
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    for (int i = 0; i < image.length; ++i) {
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      for (int j = 0; j < image[i].length; ++j) {
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        image[i][j] = image[i][j] == 1 ? 0 : 1;
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      }
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    }
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    return image;
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  }
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  public static void flip(int[] row) {
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    int i = 0;
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    int j = row.length - 1;
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    while (i < j) {
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      int temp = row[i];
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      row[i] = row[j];
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      row[j] = temp;
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      ++i;
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      --j;
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    }
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  }
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}