public class A {
    public static void main(String[] args) {
        System.out.println(void.class);
        System.out.println(boolean.class);
        System.out.println(int.class);
        System.out.println(double.class);
        System.out.println(int[].class);
        System.out.println(Object[].class);
        System.out.println(Object[][].class);
    }
}
