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?

1297

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?

1204

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

1110

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

1252

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

1140

What is recursion?

6 2402

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

1297

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

1145

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

1044

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

1240

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

1166

What is the use of typedef?

1151

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

1265

What are the advantage of using register variables?

1217

Un-Answered Questions { C++ }

What does and I oop mean in text?

1324

What is a list in c++ stl?

1217

Why do we use structure in c++?

1135

What is a Default constructor?

1685

What is the function to call to turn an ascii string into a long?

1123

Write a syntax and purpose of switch statement.

1082

What is the difference between #import and #include in c++?

1173

What is function overloading c++?

1135

Explain the difference between method overriding and method overloading in C++?

1104

What does flush do?

1053

What is Difference Between Inheritance and creating object and getting data? means Class A extends B{ B.getMethod();} (OR) Class A{ b obj=new B(); obj.getMethod(); }

2703

Explain what is polymorphism in c++?

1182

Can a built-in function be recursive?

1080

What is auto type c++?

1175

What is a character in c++?

1098

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