MatrixAddition.java

public class MatrixAddition {
    public static void main(String[] args) {
        int[][] a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
        int[][] b = {{9, 8, 7}, {6, 5, 4}, {3, 2, 1}};

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

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

    static int[][] addMatrices(int[][] a, int[][] b) {
        int rows = a.length, cols = a[0].length;
        int[][] result = new int[rows][cols];
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                result[i][j] = a[i][j] + b[i][j];
            }
        }
        return result;
    }

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