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

Write about c++ storage classes?

1154

How the delete operator differs from the delete[]operator?

1057

What do you understand by pure virtual function? Write about its use?

961

Explain the concept of dynamic allocation of memory?

1055

In which situation the program terminates before reaching the breakpoint set by the user at the beginning of the mainq method?

1022

What do you understand by zombie objects in c++?

1050

How the programmer of a class should decide whether to declare member function or a friend function?

1074

Using a smart pointer can we iterate through a container?

1032

Should the this pointer can be used in the constructor?

977

We all know that a const variable needs to be initialized at the time of declaration. Then how come the program given below runs properly even when we have not initialized p?

1041

When should I use unitbuf flag?

974

What is the difference between prefix and postfix versions of operator++()?

1036

What is the difference between an array and a list?

986

How can you prevent accessing of the private parts of my class by other programmers (violating encapsulation)?

1043

When should overload new operator on a global basis or a class basis?

1032

Un-Answered Questions { C++ }

What is the use of data hiding?

978

Which format specifier is used for printing a pointer value?

1015

Write a program to reverse a string using recursive function?

2289

What header file is needed for exit(); a) stdlib.h b) conio.h c) dos.h

1011

Explain function overloading

969

Please explain the reference variable in c++?

1025

What would happen on forgetting [], while deallocating an array through new?

1039

What can I use instead of namespace std?

1081

What are associate containers?

988

What does it mean to declare a member function as static in C++?

963

Why is abstraction needed?

986

Array base access faster or pointer base access is faster?

2251

What is the equivalent of Pascal's Real a) unsigned int b) float c) char

978

What are the features of oop?

1104

What is c++ library?

1000

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