import java.lang.reflect.Array;import static java.lang.System.out;public class CreateMatrix {    public static void main(String... args) {        Object matrix = Array.newInstance(int.class, 2, 2);        Object row0 = Array.get(matrix, 0);        Object row1 = Array.get(matrix, 1);        Array.setInt(row0, 0, 1);        Array.setInt(row0, 1, 2);        Array.setInt(row1, 0, 3);        Array.setInt(row1, 1, 4);        for (int i = 0; i < 2; i++)            for (int j = 0; j < 2; j++)                out.format("matrix[%d][%d] = %d%n", i, j, ((int[][])matrix)[i][j]);    }}