Question

Print Product of elements of each row and column in integer matrix.

				
					Enter size of integer Matrix:
4
Enter Elements in Matrix:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Elements in Matrix:
1 2 3 4 
5 6 7 8 
9 10 11 12 
13 14 15 16 
The product of elements of row 1 is=24
The product of elements of row 2 is=1680
The product of elements of row 3 is=11880
The product of elements of row 4 is=43680
The product of elements of Column 1 is=585
The product of elements of Column 2 is=1680
The product of elements of Column 3 is=3465
The product of elements of Column 4 is=6144

Share code with your friends

Code

				
					import java.util.Scanner;
public class ProductOfEachRowAndColumnOfSquareMatrix
{
    public static void main()
    {
        int[ ][ ] arr;
        int size;
        long product;
        int i,j;
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter size of integer Matrix:");
        size=sc.nextInt();
        arr=new int[size][size];

        System.out.println("Enter Elements in Matrix:");
        for(i=0;i< size;i++)
        {
            for(j=0;j< size;j++)
            {
                arr[i][j]=sc.nextInt();
            }
        }
        System.out.println("Elements in Matrix:");
        for(i=0;i< size;i++)
        {
            for(j=0;j< size;j++)
            {
                System.out.print(arr[i][j]+" ");
            }
            System.out.println();
        }
        for(i=0;i< size;i++)
        {
            product=1;
            for(j=0;j< size;j++)
            {
                product =product*arr[i][j];
            }
            System.out.println("The product of elements of row "+(i+1)+" is="+product);

        }
        for(j=0;j< size;j++)
        {
            product=1;
            for(i=0;i< size;i++)
            {
                product =product*arr[i][j];
            }
            System.out.println("The product of elements of Column "+(j+1)+" is="+product);

        }

    }
}