import java.util.*;
import java.lang.*;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
        Class<?> intCls = int.class;
        Object o = java.lang.reflect.Array.newInstance(intCls, 1);
        System.out.printf("o: %s%nint[].class: %s%nInteger[].class: %s%n",
            o.getClass(), int[].class, Integer[].class);
	}
}