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Language in C Interview Questions and Answers

Ques. Is the following code fragment correct?

const int x = 10 ;
int arr[x] ;
Ans. No! Here, the variable x is first declared as an int so memory is reserved for it. Then it is qualified by a const qualifier. Hence, const qualified object is not a constant fully. It is an object with read only attribute, and in C, an object associated with memory cannot be used in array dimensions.
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