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?

1188

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

1091

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

997

Explain the concept of dynamic allocation of memory?

1082

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

1066

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

1095

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

1115

Using a smart pointer can we iterate through a container?

1071

Should the this pointer can be used in the constructor?

1018

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?

1074

When should I use unitbuf flag?

1008

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

1079

What is the difference between an array and a list?

1026

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

1074

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

1077

Un-Answered Questions { C++ }

Describe exception handling concept with an example?

1048

When there is a global variable and local variable with the same name, how will you access the global variable?

1093

What are the differences between java and c++?

1070

Do class declarations end with a semicolon?

1072

What do you mean by global variables?

1074

How should a contructor handle a failure?

1179

Explain the virtual inheritance in c++.

1058

Will rust take over c++?

1054

Why do we use polymorphism?

1079

What is an operator in c++?

1056

What is the basic structure of c++ program?

1092

How is c++ different from java?

1030

Tell me what are static member functions?

1076

When are exception objects created?

1071

What is virtual methods?

1119

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