Plouj

Exception in thread "AWT-EventQueue-0" java.util.ConcurrentModificationException	at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:617)	at java.util.LinkedList$ListItr.next(LinkedList.java:552)	at A31$Relation.standardForm(A31.java:698)code:                 public boolean standardForm() {                          for (Iterator<FunctionalDependency> i = this.FDs.iterator();                                          i.hasNext(); )                          {                                  FunctionalDependency fd = i.next(); // line 698                                  if (fd.getRHS().size() > 1) {