A TreeSet or TreeMap that allow duplicates

Question

I need a Collection that sorts the element, but does not removes the duplicates.

I have gone for a TreeSet, since TreeSet actu

Answer 1

you can sort a List using Collections.sort.

given your Fund:

List sortMe = new ArrayList(...);
Collections.sort(sortMe, new Comparator() {
  @Override
  public int compare(Fund left, Fund right) {
    return left.fundValue.compareTo(right.fundValue);
  }
});
// sortMe is now sorted