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

public class helloworld
{
  public static Vector getLoadedClasses (boolean verbose)
  {
    try
    {
      java.lang.reflect.Field fld;
      fld = ClassLoader.class.getDeclaredField("classes");
      fld.setAccessible(true);
      Vector classes = (Vector) fld.get(ClassLoader.getSystemClassLoader());
      if (verbose)
      {
        System.out.println("The class of the system class loader is:\n\t" +
                           ClassLoader.getSystemClassLoader().getClass());
        System.out.println("System class loader loaded " + classes.size() +
                           " classes:");
        for (Iterator iter = classes.iterator(); iter.hasNext();)
        {
          System.out.println("\t" + iter.next());
        }
      }
      return classes;
    }
    catch (NoSuchFieldException e)
    {
      e.printStackTrace();
    }
    catch (IllegalAccessException e)
    {
      e.printStackTrace();
    }

    return null;
  }

  public static void main (String[] args)
  {
    System.out.println("Hello World!");
    for (String arg : args)
      System.out.println(arg);
    getLoadedClasses(true);
  }
}