REPORT z14_08.
CLASS vehicle DEFINITION INHERITING FROM object.
PUBLIC SECTION.
METHODS: create,
drive.
PROTECTED SECTION.
DATA speed TYPE i VALUE '100'.
ENDCLASS. "vehicle DEFINITION
CLASS plane DEFINITION INHERITING FROM vehicle.
PUBLIC SECTION.
METHODS: fly.
ENDCLASS. "plane DEFINITION
* Class IMPLEMENTATION
CLASS vehicle IMPLEMENTATION.
METHOD create.
ENDMETHOD. "vehicle
METHOD drive.
speed = speed + 100.
WRITE : 'Driving is possible, ', 'Current:', speed.
ENDMETHOD. "vehicle
ENDCLASS. "vehicle IMPLEMENTATION
CLASS plane IMPLEMENTATION.
METHOD fly.
speed = speed + 1000.
ENDMETHOD.
ENDCLASS. "plane IMPLEMENTATION
DATA : car TYPE REF TO vehicle,
air TYPE REF TO plane.
START-OF-SELECTION.
CREATE OBJECT: car.
air ?= car.
CALL METHOD: air->drive.
CALL METHOD: air->fly.
댓글 2
-
쿨조운
2013.11.22 11:09
-
리얼오버
2024.03.01 08:50
소스코드 수정본
REPORT z14_08.
CLASS vehicle DEFINITION INHERITING FROM object.
PUBLIC SECTION.
METHODS: create,
drive.
PROTECTED SECTION.
DATA speed TYPE i VALUE '100'.
ENDCLASS. "vehicle DEFINITION
CLASS plane DEFINITION INHERITING FROM vehicle.
PUBLIC SECTION.
METHODS: fly.
ENDCLASS. "plane DEFINITION
* Class IMPLEMENTATION
CLASS vehicle IMPLEMENTATION.
METHOD create.
ENDMETHOD. "vehicle
METHOD drive.
speed = speed + 100.
WRITE : 'Driving is possible, ', 'Current:', speed.
ENDMETHOD. "vehicle
ENDCLASS. "vehicle IMPLEMENTATION
CLASS plane IMPLEMENTATION.
METHOD fly.
speed = speed + 1000.
ENDMETHOD.
ENDCLASS. "plane IMPLEMENTATION
DATA : car TYPE REF TO vehicle,
air TYPE REF TO plane.
START-OF-SELECTION.
CREATE OBJECT: car,
air TYPE plane. " 비행기 클래스의 인스턴스 생성
* air ?= car.
CALL METHOD: car->create. " 차량 생성
CALL METHOD: air->drive.
CALL METHOD: air->fly.
번호 | 제목 | 글쓴이 | 날짜 | 조회 수 |
---|---|---|---|---|
570 | REPORT z14_19. | sapjoy | 2012.08.01 | 968 |
569 | REPORT z15_26. | sapjoy | 2012.08.01 | 969 |
568 | REPORT z05_07. | sapjoy | 2012.07.30 | 970 |
567 | REPORT z10_09. | sapjoy | 2012.07.30 | 970 |
566 | REPORT z07_03. | sapjoy | 2012.07.30 | 972 |
565 | REPORT z05_29. | sapjoy | 2012.07.30 | 974 |
564 | REPORT z12_04. | sapjoy | 2012.07.30 | 977 |
563 | REPORT Z12_17. | sapjoy | 2012.07.30 | 981 |
562 | REPORT z15_08. | sapjoy | 2012.08.01 | 982 |
561 | REPORT z17_10 . | sapjoy | 2012.08.01 | 986 |
560 | REPORT z09_02. | sapjoy | 2012.07.30 | 994 |
559 | REPORT z12_07. | sapjoy | 2012.07.30 | 994 |
558 | REPORT z12_32. | sapjoy | 2012.07.30 | 994 |
557 | REPORT z17_08 . | sapjoy | 2012.08.01 | 995 |
556 | REPORT z05_06. | sapjoy | 2012.07.30 | 996 |
555 | REPORT z05_19. | sapjoy | 2012.07.30 | 996 |
554 | REPORT z05_03. | sapjoy | 2012.07.30 | 998 |
553 | REPORT Z12_16. | sapjoy | 2012.07.30 | 998 |
552 | REPORT z12_25. | sapjoy | 2012.07.30 | 999 |
551 | REPORT z14_06. [1] | sapjoy | 2012.08.01 | 1007 |
에러가 나네요 casting에러요 air 객체와 car 객체를 casting 했는데 오류 납니다.