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

What is the v-ptr?

1220

Do class declarations end with a semicolon? Do class method definitions?

1202

Can member data be public?

1086

What is the difference between the indirection operator and the address of oper-ator?

1174

What are the differences between the function prototype and the function defi-nition?

1159

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?

1158

How do you show the declaration of a virtual constructor?

1004

What is a catch statement?

1117

Name four predefined macros.

1108

If you don’t declare a return value, what type of return value is assumed?

1012

What is the difference between a reference and a pointer?

1187

What is a down cast?

1177

What is the difference between public and private data members?

1237

When must you use a pointer rather than a reference?

1082

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

1123

Un-Answered Questions { C++ }

How long does it take to get good at leetcode?

1244

What is a volatile variable in c++?

1585

What is class and object in oops?

1218

What is == in programming?

1094

What is polymorphism what are the different types of polymorphism?

1070

C++ supports multiple inheritance. What is the “diamond problem” that can occur with multiple inheritance? Give an example.

908

What is a container class?

1217

If you don’t declare a return value, what type of return value is assumed?

1012

What is super in oop?

1266

Which software is used to run c++ program?

1048

How to handle exception in c++, For example in a functions i am assigning memory to some variables and also in next instructions in am dividing one variable also. If this functions generates a error while allocating memory to those variable and also while dividing the variable if i divide by zero then catch block how it will identify that this error has cone from perticular instruction

2186

Difference between a copy constructor and an assignment operator.

1052

What is class and example?

1270

what is different between oops and c++

2625

Explain unexpected() function?

1166

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