public class QuickSort {

    public static void main(String[] args) {
        int row = 5;
        int col = 5;
        int[][] matrix = new int[row][col];
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[i].length; j++) {
                matrix[i][j] = (int) (Math.random() * 10);
            }
        }
        double sum = 0;
        double average = 0;

        for (int i = 0; i < row; i++) {
            for (int j = 0; j < col; j++) {
                System.out.printf("%3d ", matrix[i][j]);
                sum +=  matrix[i][j];
            }
            System.out.println();
        }
        average =  sum /  row * col;

        System.out.println("Sum " + sum);
        System.out.println("Average = " +  average)
    }
}