gets the string that this node represents . for example , if this node represents the character t , whose parent represents the charater a , whose parent represents the character c , then the string would be `` cat '' . concode_field_sep TrieNode parent concode_elem_sep char character concode_elem_sep TrieNode[] children concode_elem_sep boolean isLeaf concode_elem_sep boolean isWord concode_field_sep void addWord concode_elem_sep TrieNode getNode concode_elem_sep List getWords
String function ( ) { if ( parent == null ) { return "srini_string" ; } else { return parent . toString ( ) + new String ( new char [ ] { character } ) ; } }