03. Intersection of Two Matrices

package Lekciq;

import java.util.Scanner;

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


        // Read the dimensions of the matrices
        int M = scanner.nextInt();
        int N = scanner.nextInt();

        // Read the first matrix
        char[][] A = readMatrix(scanner, M, N);

        // Read the second matrix
        char[][] B = readMatrix(scanner, M, N);

        // Create and fill the third matrix C with intersecting elements
        char[][] C = new char[M][N];
        for (int i = 0; i < M; i++) {
            for (int j = 0; j < N; j++) {
                if (A[i][j] == B[i][j]) {
                    C[i][j] = A[i][j];
                } else {
                    C[i][j] = '*';
                }
            }
        }

        // Print the third matrix C
        printMatrix(C);
    }

    // Method to read a matrix from the console
    private static char[][] readMatrix(Scanner scanner, int rows, int cols) {
        char[][] matrix = new char[rows][cols];
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                matrix[i][j] = scanner.next().charAt(0);
            }
        }
        return matrix;
    }

    // Method to print a matrix
    private static void printMatrix(char[][] matrix) {
        for (char[] row : matrix) {
            for (char element : row) {
                System.out.print(element + " ");
            }
            System.out.println();
        }
    }
}