Matrix Addition Example Java Program

Definition

Matrix Addition Example Program

import java.util.Scanner;
class MatrixAddition{
	public static void main(String args[]){
		int rows,columns, c, d;
		Scanner in = new Scanner(System.in);
		System.out.println("Enter the number of rows and columns of matrix");
		rows= in.nextInt();
		columns  = in.nextInt();
		int matrix1[][] = new int[rows][columns];
		int matrix2[][] = new int[rows][columns];
		int sum[][] = new int[rows][columns];
		System.out.println("Enter the elements of matrix1");
		for (  c = 0 ; c < rows ; c++ ){
			for ( d = 0 ; d < columns ; d++ ){
				matrix1[c][d] = in.nextInt();
			}
		}
		System.out.println("Enter the elements of matrix2");
		for ( c = 0 ; c < rows ; c++ ){
			for ( d = 0 ; d < columns ; d++ ){
				matrix2[c][d] = in.nextInt();
			}
		}
		for ( c = 0 ; c < rows ; c++ ){
			for ( d = 0 ; d < columns ; d++ ){
				sum[c][d] = matrix1[c][d] + matrix2[c][d];  
			}
		}
		System.out.println("Sum of entered matrices:");
		for ( c = 0 ; c < rows ; c++ ){
			for ( d = 0 ; d < columns ; d++ ){
				System.out.print(sum[c][d]+"\t");
			} 
			System.out.println();
		}
	}
}

Sample Output

Output is:
Enter the number of rows and columns of matrix
3
3
Enter the elements of matrix1
5
8
3
9
2
5
9
4
3
Enter the elements of matrix2
7
0
2
4
7
8
6
5
1
Sum of entered matrices:
12      8       5
13      9       13
15      9       4