creates a new item . concode_field_sep StringBuilder buf concode_elem_sep String last concode_elem_sep int count concode_elem_sep String mid concode_elem_sep String first concode_field_sep boolean isEmpty concode_elem_sep String toString concode_elem_sep int getCount concode_elem_sep void append
void function ( String arg0 ) { if ( count ++ > 0 ) { buf . append ( mid ) ; } buf . append ( arg0 ) ; }