matrix.java

package Miscellaneous;

class JavaExample {
    public static void main(String[] args) {
        int rows = 2, columns = 4;

        // Declaring the two matrices as multi-dimensional arrays
        int[][] MatrixA = { { 1, 1, 1, 1 }, { 2, 3, 5, 2 } };
        int[][] MatrixB = { { 2, 3, 4, 5 }, { 2, 2, 4, -4 } };

        /*
         * Declaring a matrix sum, that will be the sum of MatrixA and MatrixB, the sum
         * matrix will have the same rows and columns as the given matrices.
         */
        int[][] sum = new int[rows][columns];
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < columns; j++) {
                sum[i][j] = MatrixA[i][j] + MatrixB[i][j];
            }
        }
        // Displaying the sum matrix
        System.out.println("Sum of the given matrices is: ");
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < columns; j++) {
                System.out.print(sum[i][j] + "    ");
            }
            System.out.println();
        }
    }
}