Answered: What are the dangers of C’s approach to…

Engineering

Computer Science

What are the dangers of C’s approach to encapsulation.

CMPTR

3rd Edition

ISBN:9781337681872

Author:PINARD

Publisher:PINARD

Chapter20: Creating A Presentation

Section: Chapter Questions

Problem 5QY

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Concept explainers

Class

Object Oriented Programming System (OOPs) is a programming model built on the perception of “objects” that contains data and methods. The major purpose of Object Oriented Programming is to increase the maintainability and flexibility of programs. Object Oriented Programming gets together data and its behavior (methods) in a single location (object) which makes it easier to understand.

Question

What are the dangers of C’s approach to encapsulation.

Expert Solution

Step 1

In C language we achieve encapsulation with the help of data hiding-:

Following are the problems with data hiding-:

In C we use header files to achieve data hiding , a header file is preprocessed (which is a synonym for copy-pasted) into the implementation file and any file with this header used would be able to access any non static method or public variable defined in the header.
So with this header file we can access any of the non static method defined in header file using the wrong datatype.
So protection would only be provided to static variables and all non static variables can be accessed via wrong data type so it is a major problem.

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