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 difference between "overloading" and "overridding"?

3 7175

Explain the need for "Virtual Destructor"?

Infosys,

2 8262

Can we have "Virtual Constructors"?

TCS,

10 27606

What are the different types of polymorphism?

3 9709

What are Virtual Functions? How to implement virtual functions in "C" ?

3 15976

What are the different types of Storage classes?

5 17929

What is Namespace?

HCL, Samsung,

5 10715

What are the types of STL containers?

4 12717

What is the Difference between "vector" and "array"?

Covansys, Gambit, TCS, Wipro,

15 62395

How to write a program such that it will delete itself after exectution?

3 10558

Can we generate a C++ source code from the binary file?

2 7655

What are inline functions?

Fidelity, Verizon,

3 9014

What is "strstream" ?

Huawei,

1 6579

Explain "passing by value", "passing by pointer" and "passing by reference" ?

5 12625

What is "mutable" keyword?

Infosys, Teradata,

2 18300

Un-Answered Questions { C++ }

What is function prototyping? What are its advantages?

1086

Is c++ built on c?

1024

What is polymorphism & list its types in c++?

1059

Is it possible to get the source code back from binary file?

1355

What is an inline function in c++?

1112

Explain virtual destructor?

1188

What is an operator in c++?

1059

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?

1075

Give example of a pure virtual function in c++?

1168

What are the two types of comments, and how do they differ?

1128

What is the size of integer variable?

1055

Does c++ vector allocate memory?

1005

What is the full form of india?

1121

What is the real life example of polymorphism?

1164

What kind of problems can be solved by a namespace?

1090

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