Class implementation:
CLASS lcl_abap_class DEFINITION.
PRIVATE SECTION.
METHODS method1 RETURNING VALUE(rv_string) TYPE string.
ENDCLASS.
CLASS lcl_abap_class IMPLEMENTATION.
METHOD method1.
rv_string = 'returned value'.
ENDMETHOD.
ENDCLASS.
Method call example:
lv_string = method1( ).
Note that parameters declared with RETURNING
are passed by value only.