MatrixMultiplication.java

public class MatrixMultiplication {
    public static void main(String[] args) {
        int[][] a = {{1, 2}, {3, 4}};
        int[][] b = {{5, 6}, {7, 8}};

        int[][] result = multiplyMatrices(a, b);

        System.out.println("Resultant Matrix:");
        printMatrix(result);
    }

    static int[][] multiplyMatrices(int[][] a, int[][] b) {
        int rowsA = a.length, colsA = a[0].length, colsB = b[0].length;
        int[][] result = new int[rowsA][colsB];
        for (int i = 0; i < rowsA; i++) {
            for (int j = 0; j < colsB; j++) {
                for (int k = 0; k < colsA; k++) {
                    result[i][j] += a[i][k] * b[k][j];
                }
            }
        }
        return result;
    }

    static void printMatrix(int[][] matrix) {
        for (int[] row : matrix) {
            for (int val : row) {
                System.out.print(val + " ");
            }
            System.out.println();
        }
    }
}