question: returns but does not remove the item most recently added to this stack . concode_field_sep Node<Item> next concode_elem_sep Item item concode_elem_sep Node<Item> current concode_elem_sep int N concode_elem_sep Node<Item> first concode_field_sep Item pop concode_elem_sep Item next concode_elem_sep Iterator<Item> iterator concode_elem_sep int size concode_elem_sep boolean isEmpty concode_elem_sep String toString concode_elem_sep boolean hasNext concode_elem_sep void main concode_elem_sep void push concode_elem_sep void remove
target: Item function ( ) { if ( isEmpty ( ) ) throw new NoSuchElementException ( "srini_string" ) ; return first . item ; }