Add Two Matrices
AddTwoMatrices: Program: import java.util.Scanner; public class AddTwoMatrices { public static void main(String args[]) { int r1, c1, r2, c2; Scanner s = new Scanner(System.in); r1 = s.nextInt(); c1 = s.nextInt(); r2 = s.nextInt(); c2 = s.nextInt(); if(r1 != r2 || c1!=c2) { System.exit(0); } int[][] matrix1 = new int[r1][c1]; int[][] matrix2 = new int[r2][c2]; int[][] matrix3 = new int[r1][c1]; for(int i = 0; i<r1; i++) { for(int j = 0; j<c1;j++) { matrix1[i][j] = s.nextInt(); } } for(int i = 0; i<r2; i++) { for(int j = 0; j<c2;j++) { matrix2[i][j] = s.nextInt(); } } for(int i = 0; i<r1; i++) { for(int j = 0;j<c1; j++) { matrix3[i][j] = matrix1[i][j] + matrix2[i][j]; } } for(int i = 0; i<r1; i++) { for(int j = 0;j<c1; j++) { System.out.print(matrix3[i][j]); System.out.print(" "); } System.out.println(); } } } ...