/**
* lookup a word by its index.
*
* @param idx index of a word
* @return word data
*/
public String lookupWord(int idx) {
if (idx < 0 || idx >= idxFile.getLongWordCount()) {
return null;
}
WordEntry tempEntry = idxFile.getEntryList().get((int) idx);
return dictFile.getWordData(tempEntry.getLongOffset(), tempEntry.getLongSize());
}
