C LANGUAGE INTERVIEW QUESTIONS FREE DOWNLOAD

HI FRIENDS,
           HERE YOU CAN GET SOME IMPORTANT QUESTIONS THAT ARE ASK IN ALL INTERVIEW AND VI-VA.
HERE I COVERED MANY TOPIC WITH DIFFERENT QUESTIONS. THESE QUESTIONS ARE FOR BEGINNER  OR PROFESSIONALS.

INTERVIEW QUESTIONS ARE ON TOPIC THAT ARE COVERED IN THIS BLOG AREJAVA, C. C++, SOFTWARE TESTING, SOFTWARE ENGG, NETWORKING ETC.

     What is the purpose of main() function?

1. The function main() invokes other functions within it.It is the first function to be called when the program starts execution.
2. It is the starting function.
3. It returns an int value to the environment that called the program.
4. Recursive call is allowed for main( ) also.
5. It is a user-defined function.

 What is “this”s pointer?

The this pointer is a pointer accessible only within the member functions of a class, struct, or union type. It points to the object for which the member function is called. Static member functions do not have a this pointer.

What are the uses of a pointer?

1. Pointer is used in the following cases 
2. It is used to access array elements. 
3.  It is used for dynamic memory allocation. 
4. It is used in Call by reference. 
5. It is used in data structures like trees, graph, linked list etc

What is the difference between const char*p and char const* p?

const char*p - p is pointer to the constant character. i.e value in that address location is constant.
const char* const p - p is the constant pointer which points to the constant string, both value and address are constants.

What is the difference between a NULL Pointer and a NULL Macro?

Null pointer is a pointer that is pointing nothing while NULL macro will used for replacing 0 in program as #define NULL 0 .

What are the differences between new and malloc?

1. New initializes the allocated memory by calling the constructor. Memory allocated with new should be released with delete. 
2.  Malloc allocates uninitialized memory.  
3. The allocated memory has to be released with free.new automatically calls the constructor while malloc(dosen’t)

FOR MORE THESE TYPE OF QUESTIONS GO BELOW LINK

SO DOWNLOAD INTERVIEW QUESTION FROM BELOW LINK.

C INTERVIEW QUESTIONS PART-1

C INTERVIEW QUESTIONS PART-2

C INTERVIEW QUESTIONS PART-3

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