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

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 28339

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 231470

What is size of null class?

HP,

6 18127

Is structure can be inherited?

HP, ST Micro,

5 17842

How the V-Table mechanism works?

HP,

6 23610

What is the STL?

Epson, HP,

2 9599

what is a template?

Amazon, BITS, IBS, Wipro,

2 10473

what is an algorithm in terms of STL?

Lucent, Wipro,

1 8811

What is the difference between public, private, protected inheritance?

Wipro,

12 63957

What is Virtual Inheritance?

Amazon, Wipro,

7 18911

What is the difference between operator new and the new operator?

Amazon, TCS, Wipro,

3 14574

What happens if an exception is throws from an, object's constructor and object's destructor?

Wipro,

4 18693

What is the difference between Pointer and a Reference? When you would use them?

Wipro,

4 15246

What are the differences between a struct in C and in C++?

Amazon, Wipro,

8 18964

What are the differences between a struct and a class in C++?

Amazon, Wipro,

7 14393

Un-Answered Questions { C++ }

What is data hiding c++?

1050

How long will it take to learn programming?

1066

What are destructors?

1020

What is virtual table?

1131

How can I disable the "echo" feature?

1177

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

848

What is setiosflags c++?

984

Explain Memory Allocation in C/C++ ?

1081

What is algorithm in c++ programming?

1133

What is the header file for setw?

1138

What is iterator c++?

996

Why do we need oop?

1213

when to use 'mutable' keyword and when to use 'const cast' in c++

2165

What are the 5 oop principles?

1128

If dog is a friend of boy, and terrier derives from dog, is terrier a friend of boy?

1041

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