if (continent.equals("Europe")) {
ListIterator<Country> iter = regionObj.getCountryArrayListEurope().listIterator();
while (iter.hasNext()) {
Country countryCursor = iter.next();
topContinent.add(new DefaultMutableTreeNode(countryCursor.getName()));
top.add(topContinent);
if (continent.equals("Europe")) {
ListIterator<Country> iter = regionObj.getCountryArrayListEurope().listIterator();
while (iter.hasNext()) {
Country countryCursor = iter.next();
topContinent.add(new DefaultMutableTreeNode(countryCursor.getName()));
top.add(topContinent);