import java.lang.reflect.*;
    class Additional_packages 
    {  
         public static void main(String args[]) 
         {
      try 
             {
          Class c = Class.forName("java.awt.Dimension");
   Constructor constructors[] = c.getConstructors();
   for (int i = 0; i < constructors.length; i++)
       System.out.println(constructors[i]);
      }
      catch (Exception e)
             {
             System.out.print("Exception");
             }
        }
    }

    import java.lang.reflect.*;
    class Additional_packages 
    {  
         public static void main(String args[])
         {
      try 
             {
          Class c = Class.forName("java.awt.Dimension");
   Field fields[] = c.getFields();
   for (int i = 0; i < fields.length; i++)
       System.out.println(fields[i]);
      }
      catch (Exception e)
             {
             System.out.print("Exception");
             }
        }    
    }

    import java.util.*;
    class Collection_iterators 
    {
        public static void main(String args[]) 
        {
            ListIterator a = list.listIterator();
                if(a.previousIndex()! = -1)
                    while(a.hasNext())
                 System.out.print(a.next() + " ");
                else
                   System.out.print("EMPTY");
        }
    }