Check if a Char is in a Node

    public static boolean isCharInNode(Character c, Node<Character> N)
    {
        Node<Character> duplicate = N;
        if(duplicate == null)
            return false;

        while(duplicate.hasNext())
        {
            if(c == duplicate.getValue())
                return true;
            else
                duplicate = duplicate.getNext();
        }

        if(c == duplicate.getValue())
            return true;

        return false;
    }