Oracle: SYS.ANYDATA.GETTYPE

declare
   type anydata_t is table of (sys.anydata);
   a anydata_t;
  
   tp sys.anytype;
begin
   a := anydata_t(
         anydata.convertNumber(42),
         anydata.convertVarchar2('hello world'),
         anydata.convertDate(timestamp '2020-08-28 22:23:24')
       );
  
   for i in 1 .. a.count loop
       dbms_output.put_line(
          a(i).getTypeName    || ' (' || a(i).getType(tp)  || '): ' ||
          --
          a(i).accessNumber   ||
          a(i).accessVarchar2 ||
          a(i).accessDate
       );
      
   --  if tp is null then
   --     dbms_output.put_line('tp is null');
   --  end if;
   end loop;
end;
/

SYS.NUMBER (2): 42
SYS.VARCHAR2 (9): hello world
SYS.DATE (12): 2020-08-28 22:23:24