정보 은닉 (Information Hiding)

정보 은닉 (Information Hiding)

객체지향 언어의 지원
- C++
  - public: clause
- Eiffel
  - export clause
- C++ 공용 인터페이스
  - class point { int xPosition; int yPosition; colorType color; public: void move (int x, int y); void setColor (colorType c); void penUp ( ); void penDown ( ); . . . }

xPosition: 10 yPosition: 20 color: blue

OPERATIONS

DATA

Public Interface

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