How to use

keys

method

in

org.jfree.util.HashNMap

/**
 * Creates a deep copy of this HashNMap.
 *
 * @return a clone.
 * @throws CloneNotSupportedException this should never happen.
 */
public Object clone() throws CloneNotSupportedException {
  final HashNMap map = (HashNMap) super.clone();
  map.table = new HashMap();
  final Iterator iterator = keys();
  while (iterator.hasNext()) {
    final Object key = iterator.next();
    final List list = (List) map.table.get(key);
    if (list != null) {
      map.table.put(key, ObjectUtilities.clone(list));
    }
  }
  return map;
}

/**
 * Creates a deep copy of this HashNMap.
 *
 * @return a clone.
 * @throws CloneNotSupportedException this should never happen.
 */
public Object clone() throws CloneNotSupportedException {
  final HashNMap map = (HashNMap) super.clone();
  map.table = new HashMap();
  final Iterator iterator = keys();
  while (iterator.hasNext()) {
    final Object key = iterator.next();
    final List list = (List) map.table.get(key);
    if (list != null) {
      map.table.put(key, ObjectUtilities.clone(list));
    }
  }
  return map;
}

/**
 * Creates a deep copy of this HashNMap.
 *
 * @return a clone.
 * @throws CloneNotSupportedException this should never happen.
 */
public Object clone() throws CloneNotSupportedException {
  final HashNMap map = (HashNMap) super.clone();
  map.table = new HashMap();
  final Iterator iterator = keys();
  while (iterator.hasNext()) {
    final Object key = iterator.next();
    final List list = (List) map.table.get(key);
    if (list != null) {
      map.table.put(key, ObjectUtilities.clone(list));
    }
  }
  return map;
}

final Iterator keys = classMap.keys();
while (keys.hasNext()) {
  final Class base = (Class) keys.next();