import java.util.*;
 
public class NotReallyImmutable
{
   private final List stuff = new ArrayList();
 
   public NotReallyImmutable()
   {
      stuff.add("This should be the one and only entry!");
   }
 
   public List getStuff()
   {
      return stuff;
   }
 
   public void printStuff()
   {
      System.out.println("This is the stuff:");
      Iterator iterator = stuff.iterator();
      for( int i = 1; iterator.hasNext(); i++ )
         System.out.println( i + ". " + iterator.next().toString() );
   }
 
   public static void main( String [] args )
   {
      NotReallyImmutable notReallyImmutable = new NotReallyImmutable();
      List stuff = notReallyImmutable.getStuff();
      stuff.add("Oops!   A mutatation!");
 
      notReallyImmutable.printStuff();
   }
}