Predefined ABAP TYPES

 Hi team. I have the following task to complete:

1. Like in the first exercise of this course, create a new global class that implements interface IF_OO_ADT_CLASSRUN.
2. Copy the following code snippet to the implementation part of method if_oo_adt_classrun~main( 😞
   Code snippet

   * Data Objects with Built-in Types ********************************************************************** ” comment/uncomment the following declarations and check the output DATA variable TYPE string. * DATA variable TYPE i. * DATA variable TYPE d. * DATA variable TYPE c LENGTH 10. * DATA variable TYPE n LENGTH 10. * DATA variable TYPE p LENGTH 8 DECIMALS 2. * Output ********************************************************************** out->write( ‘Result with Initial Value)’ ). out->write( variable ). out->write( ‘———‘ ). variable = ‘19891109’. out->write( ‘Result with Value 19891109’ ). out->write( variable ). out->write( ‘———‘ ).

    

   I have the following error:

   Field “VARIABLE” is unknown. 

    

   Please assist. I am a beginner.

   Brice.