C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

Juxtapose the use of override with new. What is shadowing?

1 6722

Explain the differences between public, protected, private and internal.

2 9656

Explain what?s happening in the first constructor: public class c{ public c(string a) : this() {;}; public c() {;} } How is this construct useful?

1 8012

What is the difference between typeof(foo) and myFoo.GetType()?

Synergy,

2 13131

What's the difference between a linked list and an array?

14 19496

Describe advantages and disadvantages of the various stock sorting algorithms

Microsoft,

1 9507

How would you find a cycle in a linked list?

NSN,

3 13393

How would you write qsort?

1 6593

How would you print out the data in a binary tree, level by level, starting at the top?

Amazon, Microsoft,

6 25138

If "AaBbCc" is passed to the char char x(*a) { a[0]?x(a+1):1; printf("%c",a[0]); return 1; } what will be the output?

Hughes,

6 9598

f(*p) { p=(char *)malloc(6); p="hello"; return; } main() { char *p="bye"; f(p); printf("%s",p); } what is the o/p?

Hughes,

7 10553

what is the different between if-else and switch statment (other than syntax)

CTS, Oracle, Scorpos,

26 80159

f(x,y,z) { y = y+1; z = z+x; } main() { int a,b; a = 2 b = 2; f(a+b,a,a); print a; } what is the value of 'a' printed

5 7910

helllo sir give me some information of the basic information the c as printf ,scanf , %d ,%f and why is the main use of these.

3 7770

helllo sir , what is the main use of the pointer ,array ,and the structure with the example of a programe

2 6364

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Un-Answered Questions { C }

Explain how do you list files in a directory?

1033

Which header file is used for clrscr?

1020

write a c program to find the largest and 2nd largest numbers from the given n numbers without using arrays

2199

Does sprintf put null character?

1002

What are the types of pointers in c?

990

What is the use of a semicolon (;) at the end of every program statement?

1430

Can a function be forced to be inline? Also, give a comparison between inline function and the C macro?

1062

Is fortran faster than c?

1011

Does c have function or method?

959

How can I copy just a portion of a string?

1284

Is exit(status) truly equivalent to returning the same status from main?

1022

Explain the difference between exit() and _exit() function?

1127

how to create duplicate link list using C???

2525

How can I recover the file name given an open stream or file descriptor?

1046

Explain the difference between ++u and u++?

1084

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