import java.util.*;
import java.io.*;public class AdditionOfMatrix {
static int max = 100;
// METHOD TO PRINT MATRIX ENTERED BY USER
public static void printMatrix(int mat[][], int row, int col) {
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++) {
System.out.print(mat[i][j] + " ");
}
System.out.println();
}
}
// METHOD TO ADD TWO MATRIX
public static void addMatrix(int m1[][], int m2[][],
int col1, int col2, int row1, int row2) {
// checking if addition is possible or not;
if (row1 != col2) {
System.out.println("Multiplication not possible");
return;
}
// to store the addition, create a result matrix
int result[][] = new int[max][max];
// addition logic
for (int i = 0; i < row1; i++) {
for (int j = 0; j < col1; j++) {
result[i][j] += m1[i][j] + m2[i][j];
}
}
// Printing Resultant matrix
printMatrix(result, row1, col2);
}
// Driver Code
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter the number of rows for first matrix");
int m = sc.nextInt();
System.out.println("Enter the no of columns for second matrix");
int n = sc.nextInt();
int arr1[][] = new int[m][n];
System.out.println("Enter the number of rows for Second matrix");
int p = sc.nextInt();
System.out.println("Enter the no of columns for second matrix");
int q = sc.nextInt();
int arr2[][] = new int[p][q];
// enter element of first array
System.out.println("Enter element of first array");
for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
arr1[i][j] = sc.nextInt();
}
}
// enter element of second array
System.out.println("Enter element of Second array");
for (int i = 0; i < p; i++) {
for (int j = 0; j < q; j++) {
arr2[i][j] = sc.nextInt();
}
}
System.out.println("First Array :");
printMatrix(arr1, m, n);
System.out.println("Second Array is :");
printMatrix(arr2, p, q);
System.out.println("Resultant Matix is");
addMatrix(arr1, arr2, p, q, m, n);
}
}
