Reads data row by row and displays the data in tabular form along with the row totals, column totals and grand total.

Mumbai University > Information Technology > Sem 3 > Object Oriented Programming Methodology

Marks: 10M

Year: Dec 2014

import java.io.*;
class tabular {
    public static void main(String args[]) throws IOException {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));  
        System.out.println("Enter the number of rows");
        int row = Integer.parseInt(br.readLine());
        System.out.println("Enter the number of columns");
        int col = Integer.parseInt(br.readLine());

        int A[] [] = new int[10][10];
        System.out.println("Enter the numbers below: ");
        for(int r=0; r<row; r++) {
            for(int c=0; c<col; c++) {
                System.out.print("INPUT ["+ r +"] ["+ c +"] = ");
                A[r][c] = Integer.parseInt(br.readLine());
            }
        }
        System.out.println("\nThe matrix generated is: ");

        //Calculating the sum of rows
        int r;
        int c;
        for(r=0; r<row; r++) {
            int tempRow = 0;
            for(c=0; c<col; c++) {
                tempRow += A[r][c];
            }
            A[r][c] = tempRow;
        }
        //Calculating sum of the column
        for(c=0; c<col; c++) {
             int tempCol= 0;
            for(r=0; r<row; r++) {
                tempCol += A[r][c];
            }
            A[r][c] = tempCol;
        }

        //Display the tabular layout
        for(r=0; r<=row; r++) {
            for(c=0; c<=col; c++) {
                System.out.print( A[r][c] + " ");
            }
            System.out.println();
        }

    }
}

OUTPUT

Enter the number of rows

2

Enter the number of columns

3

Enter the numbers below:

INPUT [0] [0] = 1

INPUT [0] [1] = 2

INPUT [0] [2] = 3

INPUT [1] [0] = 4

INPUT [1] [1] = 5

INPUT [1] [2] = 6

The matrix generated is:

1 2 3 6

4 5 6 15

5 7 9 0