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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

Does there exist any way to make the command line arguments available to other functions without passing them as arguments to the function?

1220

What is the difference between the functions rand(), random(), srand() and randomize()?

1229

How can a called function determine the number of arguments that have been passed to it?

1098

Write a program to interchange 2 variables without using the third one.

1016

What are the differences between malloc() and calloc()?

1126

To which numbering system can the binary number 1101100100111100 be easily converted to?

1015

What is recursion?

6 1979

What is object file? How can you access object file?

1142

How would you use the functions randomize() and random()?

1043

What is the maximum combined length of command line arguments including the space between adjacent arguments?

968

How would you use the functions sin(), pow(), sqrt()?

1145

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

1069

What is the use of typedef?

1058

Which bit wise operator is suitable for putting on a particular bit in a number?

1160

What are the advantage of using register variables?

1127

Un-Answered Questions { C++ }

How does a C++ structure differ from a C++ class?

1086

What is super in oop?

1112

Explain data encapsulation?

1082

Which operations are permitted on pointers?

958

What is abstract class in oops?

985

Does c++ have finally?

976

What is scope resolution operator in c++ with example?

1002

Which one between if-else and switch is more efficient?

1031

What is encapsulation with example?

1044

what are the types of Member Functions?

1094

Briefly explain various access specifiers in C++.

951

the maximum length of a character constant can be a) 2 b) 1 c) 8

1054

Draw a flow chart and write a program for the difference between the sum of elements with odd and even numbers. Two dimensional array.

6356

Does c++ support multilevel and multiple inheritances?

964

If a round rectangle has straight edges and rounded corners, your roundrect class inherits both from rectangle and from circle, and they in turn both inherit from shape, how many shapes are created when you create a roundrect?

1081

For More Un-Answered { C++ } Questions Click Here