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

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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

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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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