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    public void addNode( int number , int place )    {        if( length() < place )        {            addToTail( number );        }        else        {            IntNode temp = head;            IntNode pred = head.next;            for( int i = 1; i < place; i++)            {                temp = temp.next;                pred = pred.next;             }            temp = new IntNode(number);            temp.next = pred;        }    }