Diagonal Difference

package MultidimensionalArrays2;

import java.util.Scanner;

public class DiagonalDifference {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int matrixSize = Integer.parseInt(scanner.nextLine());

        int[][] matrix = new int[matrixSize][matrixSize];

        int sum = 0; int sum2 = 0;
        for (int row = 0; row < matrixSize; row++) {
            String[] line = scanner.nextLine().split(" ");
            for (int col = 0; col < matrixSize; col++) {
                matrix[row][col] = Integer.parseInt(line[col]);
            }
        }
        for (int col = 0; col < matrixSize; col++) {
            sum = matrix[col][col] + sum;
        }
        for (int col = 0; col < matrixSize; col++) {
            sum2 = matrix[col][matrixSize-1-col] + sum2;
        }
        if (sum>sum2){
            System.out.println(sum-sum2);
        }else {
            System.out.println(sum2-sum);
        }
    }
}