code: @Override
    protected Entry findEvictionCandidate(Entry _previous) {
      coldRunCnt++;
      Entry _hand = handCold;
      int _scanCnt = 1;
      if (_hand == null) {
        _hand = refillFromHot(_hand);
      }
      if (_hand.hitCnt > 0) {
        _hand = refillFromHot(_hand);
        do {
          _scanCnt++;
          coldHits += _hand.hitCnt;
          _hand.hitCnt = 0;
          Entry e = _hand;
          _hand = Entry.removeFromCyclicList(e);
          coldSize--;
          e.setHot(true);
          hotSize++;
          handHot = Entry.insertIntoTailCyclicList(handHot, e);
        } while (_hand != null && _hand.hitCnt > 0);
      }
  
      if (_hand == null) {
        _hand = refillFromHot(_hand);
      }
      coldScanCnt += _scanCnt;
      handCold = _hand.next;
      return _hand;
    }
docs: Runs cold hand an in turn hot hand to find eviction candidate.