CLASS STATICS 即使是局部变量也是全局的

REPORT zdemo02.

CLASS cls DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS meth.
ENDCLASS.

CLASS cls IMPLEMENTATION.
  METHOD meth.
    DATA local TYPE i VALUE 10.
    STATICS static TYPE i VALUE 10.
    local += 1.
    static += 1.
    cl_demo_output=>write( |Local: { local }, | &&
                           |Static: { static }| ).
  ENDMETHOD.
ENDCLASS.

START-OF-SELECTION.
  DO 10 TIMES.
    cls=>meth( ).
  ENDDO.
  cl_demo_output=>display( ).