Yapamadığım final sorusu

#include <iostream>

using namespace std;

int* satirToplamiAl(int row, int col) {
    int** a = new int* [row];
    for (auto i{ 0 }; i < row; ++i)
        a[i] = new int[col];

    int* result = new int[row];

    auto sum{ 0 };

    for (auto i{ 0 }; i < row; ++i) {
        for (auto j{ 0 }; j < col; ++j) {
            cout << i + 1 << ", " << j + 1 << " konumlu elamani giriniz: ";
            cin >> a[i][j];
            sum += a[i][j];
        }

        result[i] = sum;
        sum = 0;
    }

    for (auto i{ 0 }; i < row; ++i) {
        cout << i + 1 << ". satirin toplami: " << result[i] << endl;
        delete[] a[i];
    }

    delete[] a;

    return result;
}


int main() {
    satirToplamiAl(2, 3);

    return 0;
}

  public static void main(String[] args)
  {
    getRowSum(2,3);
  }

  public static int[] getRowSum(int row, int col)
  {
    int[][] matrix = createMatrix(row, col);
    int[] result = sumRowArray(matrix);
    System.out.println(Arrays.toString(result));
    return result;
  }

  public static int[] sumRowArray(int[][] matrix)
  {
    int[] result = new int[matrix.length];
    for (int i = 0; i < result.length; i++)
    {
      result[i] = sumArray(matrix[i]);
    }
    return result;
  }

  public static int sumArray(int[] row)
  {
    int sum = 0;
    for (int item : row)
    {
      sum += item;
    }
    return sum;
  }

  public static int[][] createMatrix(int row, int col)
  {
    if (row > 0 && col > 0)
    {
      int[][] createdMatrix = new int[row][col];
      for (int i = 0; i < row; i++)
      {
        for (int j = 0; j < col; j++)
        {
          String message = String.format("Please enter %d, %d th item", i, j);
          createdMatrix[i][j] = getNumberFromUser(message);
        }
      }
      return createdMatrix;
    } else
    {
      throw new IllegalArgumentException("row and col should greater than 0.");
    }
  }

  public static int getNumberFromUser(String message)
  {
    System.out.printf("%s: ", message);
    String input = scanner.nextLine().trim();
    try
    {
      int num = Integer.parseInt(input);
      return num;
    }
    catch (Exception ex)
    {
      System.err.println("\nIllegal user input! Try again.");
      return getNumberFromUser(message);
    }
  }