formats the receiver using the given format . this uses java.util.formattable to perform the formatting . two variables maybe used to embed the left and right elements . use % 1 $ s for the leftelement key and % 2 $ s for the right element value . the default format used by tostring is % 1 $ s , % 2 $ s . concode_field_sep PlaceHolder placeHolder concode_field_sep R getRight concode_elem_sep int hashCode concode_elem_sep Vector<L,R> of concode_elem_sep boolean equals concode_elem_sep Vector<Integer,Integer> difference concode_elem_sep int compareTo concode_elem_sep L getLeft
String function ( final String arg0 ) { return String . arg0 ( arg0 , getLeft ( ) , getRight ( ) ) ; }