Swap two 2D array items in Java

swap

public static int[][] swap(int[][] array, int firstRow, int firstCol, int lastRow, int lastCol) {
        int first = array[firstRow][firstCol];
        int last = array[lastRow][lastCol];
        array[firstRow][firstCol] = last;
        array[lastRow][lastCol] = first;
        return array;
        
    }