ABAP Keyword Documentation → ABAP − Reference → Declarations → Declaration Statements → Classes and Interfaces → Components in Classes and Interfaces → Methods → CLASS-METHODS
CLASS-METHODS - RETURNING
Other versions: 7.31 | 7.40 | 7.54
Syntax
CLASS-METHODS meth [DEFAULT IGNORE|FAIL]
[IMPORTING
parameters [PREFERRED PARAMETER p]]
[EXPORTING parameters]
[CHANGING parameters]
RETURNING VALUE(r) typing
[{RAISING exc1|RESUMABLE(exc1) exc2|RESUMABLE(exc2) ...}
|{EXCEPTIONS exc1 exc2 ...}].
Effect
This statement declares a functional
static method meth. The additions have exactly the same syntax and meaning as those for
functional instance methods.
Example
The class circle contains two functional static methods, circumference
and area, which work with the constant pi.
CLASS circle DEFINITION.
PUBLIC SECTION.
CONSTANTS pi TYPE decfloat34
VALUE '3.141592653589793238462643383279503'.
CLASS-METHODS: circumference IMPORTING r TYPE decfloat34
RETURNING value(c) TYPE decfloat34,
area IMPORTING r TYPE decfloat34
RETURNING value(a) TYPE decfloat34.
ENDCLASS.
CLASS circle IMPLEMENTATION.
METHOD circumference.
c = 2 * pi * r.
ENDMETHOD.
METHOD area.
a = pi * r ** 2.
ENDMETHOD.
ENDCLASS.
DATA: circ TYPE decfloat34,
area TYPE decfloat34,
radius TYPE decfloat34.
START-OF-SELECTION.
radius = '1.00'.
circ = circle=>circumference( radius ).
area = circle=>area( radius ).