topic Re: Simple ABAP Class in Application Development and Automation Discussions

Simple ABAP Class

Former Member — Mon, 05 Nov 2007 09:48:11 GMT

Hello! I want to import parameters a and b into the method. But I can't. Can you help me? Thank you!!

REPORT z_first_class.

CLASS myfirst DEFINITION.

PUBLIC SECTION.

METHODS main IMPORTING a TYPE i b TYPE i

RETURNING value(c) TYPE i.

ENDCLASS. "myFirst DEFINITION

CLASS myfirst IMPLEMENTATION.

METHOD main.

c = a + b.

WRITE: / c.

ENDMETHOD. "main

ENDCLASS. "myFirst IMPLEMENTATION

START-OF-SELECTION.

DATA oref TYPE REF TO myfirst.

DATA result TYPE i.

PARAMETERS a TYPE i.

PARAMETERS b TYPE i.

CREATE OBJECT oref.

COMPUTE result = oref->main( ).

WRITE: / result.

Re: Simple ABAP Class

Former Member — Mon, 12 Nov 2007 14:43:58 GMT

Hi,

Try the below code....

Its working..

REPORT z_first_class.

CLASS myfirst DEFINITION.

PUBLIC SECTION.

METHODS main IMPORTING a TYPE i b TYPE i

exporting c TYPE i.

ENDCLASS. "myFirst DEFINITION

----

CLASS myfirst IMPLEMENTATION

----

CLASS myfirst IMPLEMENTATION.

METHOD main.

c = a + b.

WRITE: / c.

ENDMETHOD. "main

ENDCLASS. "myFirst IMPLEMENTATION

START-OF-SELECTION.

DATA oref TYPE REF TO myfirst.

DATA result TYPE i.

PARAMETERS a TYPE i.

PARAMETERS b TYPE i.

CREATE OBJECT oref.

*COMPUTE result = oref->main( ).

call method oref->main

EXPORTING

a = a

b = b

IMPORTING

c = result.

WRITE: / result.

Re: Simple ABAP Class

Former Member — Mon, 12 Nov 2007 15:02:43 GMT

HI,

dont use value() in the export parameter. Your code will work.

Regards,

Niyaz

Re: Simple ABAP Class

Former Member — Mon, 12 Nov 2007 15:35:19 GMT

In your original code replace

COMPUTE result = oref->main( ).

with

result = oref->main( a = a b = b ).

That looks a bit awkward, that's why you usually use more descriptive names for parameters.