Code :
REPORT ZVP_CLASS_SAMPLE.

CLASS DEMO DEFINITION.
  PUBLIC SECTION.
  DATA: V1 TYPE I VALUE 20.

  PROTECTED SECTION.

  PRIVATE SECTION.
ENDCLASS.

START-OF-SELECTION.
DATA OBJ TYPE REF TO DEMO.
CREATE OBJECT OBJ.
WRITE:/ OBJ->V1.

Output :

IDE Used To Test This Code : ABAP Editor.

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