returns the length of the list . concode_field_sep Node head concode_elem_sep Node next concode_elem_sep Boolean value concode_field_sep void add concode_elem_sep Boolean getValue concode_elem_sep Boolean contains concode_elem_sep Node getLastNode concode_elem_sep Boolean isAlternating concode_elem_sep Node get concode_elem_sep Node getPreviousNode concode_elem_sep void setNext concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep Node getNext concode_elem_sep void remove concode_elem_sep void remove
int function ( ) { return getLength ( head ) ; }