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?

1304

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

1374

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

1211

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

1117

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

1258

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

1146

What is recursion?

6 2434

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

1304

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

1148

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

1046

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

1247

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

1175

What is the use of typedef?

1157

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

1273

What are the advantage of using register variables?

1219

Un-Answered Questions { C++ }

Is c++ the most powerful language?

1170

What is data abstraction? How is it different from data encapsulation?

1063

Why is null pointer used?

1235

Explain what are mutator methods in c++?

1190

Explain one-definition rule (odr).

1180

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

1117

What is late binding c++?

1037

Why can templates only be implemented in the header file?

1154

What are references in c++?

1198

Define what is constructor?

1123

How stl is different from the c++ standard library?

1298

What is the real time example of inheritance?

1219

How is objective c different from c++?

1316

If a header file is included twice by mistake in the program, will it give any error?

1124

Explain the uses of static class data?

1179

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