private void addCharacters(final Map<String,RPObject> characters){
  for (  Entry<String,RPObject> character : characters.entrySet()) {
    JButton button=createCharacterButton(character.getKey(),character.getValue());
    characterPanel.add(button);
  }
}

private void addCharacters ( final Map < String , RPObject > characters ) { for ( Entry < String , RPObject > character : characters . entrySet ( ) ) { JButton button = createCharacterButton ( character . getKey ( ) , character . getValue ( ) ) ; characterPanel . add ( button ) ; } }
add the available characters .
