public void add(String gram){
  if (name == null || gram == null)   return;
  int len=gram.length();
  if (len < 1 || len > NGram.N_GRAM)   return;
  ++n_words[len - 1];
  if (freq.containsKey(gram)) {
    freq.put(gram,freq.get(gram) + 1);
  }
 else {
    freq.put(gram,1);
  }
}

public void add ( String gram ) { if ( name == null || gram == null ) return ; int len = gram . length ( ) ; if ( len < 1 || len > NGram . N_GRAM ) return ; ++ n_words [ len - 1 ] ; if ( freq . containsKey ( gram ) ) { freq . put ( gram , freq . get ( gram ) + 1 ) ; } else { freq . put ( gram , 1 ) ; } }
add n - gram to profile
