Linked Node Implementation of a list ( In JAVA)

/**

* Adds a specified string to this word list at a specified index. The word may be added to the end of the list (when the index is the size of the list) or

* anywhere earlier (in which case, words will be shifted down to make room for the added word)

* @param s string to be added

* @param index the index where the word is to be added (any value from 0 up to the size of the list).

* @param s the word to be added

* @return true because the add is always going to be successful

* @throws IndexOutOfBoundsException if index < 0 or index > size

*/

public boolean add(int index, String s) {

return false;

}