03_MatrixOperations.java

import java.util.Scanner;

public class MatrixOperations {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter number of rows: ");
        int r = sc.nextInt();
        System.out.print("Enter number of columns: ");
        int c = sc.nextInt();

        int A[][] = new int[r][c];
        int B[][] = new int[r][c];
        int Sum[][] = new int[r][c];

        System.out.println("Enter elements of Matrix A:");
        for (int i = 0; i < r; i++)
            for (int j = 0; j < c; j++)
                A[i][j] = sc.nextInt();

        System.out.println("Enter elements of Matrix B:");
        for (int i = 0; i < r; i++)
            for (int j = 0; j < c; j++)
                B[i][j] = sc.nextInt();

        for (int i = 0; i < r; i++)
            for (int j = 0; j < c; j++)
                Sum[i][j] = A[i][j] + B[i][j];

        System.out.println("Matrix Addition Result:");
        for (int i = 0; i < r; i++) {
            for (int j = 0; j < c; j++)
                System.out.print(Sum[i][j] + "\t");
            System.out.println();
        }

        int Mul[][] = new int[r][c];
        for (int i = 0; i < r; i++) {
            for (int j = 0; j < c; j++) {
                Mul[i][j] = 0;
                for (int k = 0; k < c; k++) {
                    Mul[i][j] += A[i][k] * B[k][j];
                }
            }
        }

        System.out.println("Matrix Multiplication Result:");
        for (int i = 0; i < r; i++) {
            for (int j = 0; j < c; j++)
                System.out.print(Mul[i][j] + "\t");
            System.out.println();
        }

        sc.close();
    }
}