public String serialize() {
StringBuilder sb = new StringBuilder();
Iterator<T> iter = valueSorMap.keySet().iterator();
while (iter.hasNext()) {
T elem = iter.next();
sb.append(elem).append("/").append(getDegree(elem).getValue());
if (iter.hasNext()) sb.append(", ");
}
return sb.toString();
}
public T getBest() {
return valueSorMap.isEmpty() ? null : valueSorMap.keySet().iterator().next();
}
public Set<T> getSupport() {
return valueSorMap.keySet();
}
public Iterator<T> iterator() {
return valueSorMap.keySet().iterator();
}