HashSet toRemove = new HashSet();
for (Map.Entry e : occurrences.entrySet()) {
Character v = e.getKey();
int found = 0;
for (int i = 0, ct = e.getValue().intValue(); i < ct; i++) {
found = indexOf(array, v.charValue(), found);
if (found < 0) {
break;
}
toRemove.add(found++);
}
}
return (char[]) removeAll((Object)array, extractIndices(toRemove));
