IdentityHashMap.[keySet|values|entrySet].toArray speed-up

[Martin Buchholz]

Seems pretty good overall. Thanks for doing this.


Style: put your open braces at the end of the line.

---

+            int si = 0;
+            while (si < tab.length) {


why not the more readable:

for (int i = 0, len = tab.length; i < len; i += 2) {
  Object key = tab[i];
  if (key != null) { ...