code: public List<Entry> getEntries() {
  		if(_sortedEntries == null) {
  			this._sortedEntries = Lists.newArrayListWithCapacity(entries.size());
  			for(Map.Entry<Term, Entry> e:entries.entrySet())
  				this._sortedEntries.add(e.getValue());
  			Collections.sort(this._sortedEntries);
  		}
  		return _sortedEntries;
  	}
docs: Gives the list of terms in this context vector sorted by frequency
  (most frequent first)
  
  @return