Matrix Multiplication(Using Methods)

import java.util.Scanner;

public class MatrixMultiplication {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        // Input dimensions for Matrix A
        System.out.print("Enter rows for Matrix A: ");
        int rowA = scan.nextInt();
        System.out.print("Enter columns for Matrix A: ");
        int colA = scan.nextInt();

        // Input dimensions for Matrix B
        System.out.print("Enter rows for Matrix B: ");
        int rowB = scan.nextInt();
        System.out.print("Enter columns for Matrix B: ");
        int colB = scan.nextInt();

        // Check if multiplication is possible
        if (colA != rowB) {
            System.out.println("Matrix multiplication is not possible. Columns of A must equal rows of B.");
            return; // Exit the program if multiplication is not possible
        }

        // Create and populate both matrices
        int[][] matrixA = inputMatrix(scan, rowA, colA, "A");
        int[][] matrixB = inputMatrix(scan, rowB, colB, "B");

        // Perform matrix multiplication
        int[][] result = multiplyMatrices(matrixA, matrixB, rowA, colA, colB);

        // Print the result matrix
        printMatrix(result, "Result");
    }

    // Method to input matrix values
    public static int[][] inputMatrix(Scanner scan, int rows, int cols, String matrixName) {
        int[][] matrix = new int[rows][cols];
        System.out.println("Enter values for Matrix " + matrixName + ":");
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                System.out.print(matrixName + "[" + i + "][" + j + "]: ");
                matrix[i][j] = scan.nextInt();
            }
        }
        return matrix;
    }

    // Method to multiply two matrices
    public static int[][] multiplyMatrices(int[][] A, int[][] B, int rowA, int colA, int colB) {
        int[][] result = new int[rowA][colB];
        for (int i = 0; i < rowA; i++) {       // Iterate through rows of A
            for (int j = 0; j < colB; j++) {   // Iterate through columns of B
                for (int k = 0; k < colA; k++) { // Iterate through common dimension
                    result[i][j] += A[i][k] * B[k][j];
                }
            }
        }
        return result;
    }

    // Method to print a matrix
    public static void printMatrix(int[][] matrix, String matrixName) {
        System.out.println(matrixName + " Matrix:");
        for (int[] row : matrix) {
            for (int val : row) {
                System.out.print(val + " ");
            }
            System.out.println();
        }
    }
}