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 do you mean by multiple inheritance and multilevel inheritance? Differentiate between them.

2 14901

Difference between realloc() and free?

HP,

9 26454

What is a template?

7 9902

What are the main differences between procedure oriented languages and object oriented languages?

IBM, Infosys, Wipro,

9 22202

What is R T T I ?

Ness Technologies,

6 16567

What are generic functions and generic classes?

5 23026

What is namespace?

15 32191

What is the difference between pass by reference and pass by value?

Pfizer, TCS,

12 41738

Why do we use virtual functions?

4 15737

What do you mean by pure virtual functions?

8 16235

What are virtual classes?

2201

Does c++ support multilevel and multiple inheritance?

IBS, Wipro,

9 17948

What are the advantages of inheritance?

IBS, TCS,

26 98608

When is a memory allocated to a class?

11 30402

What is the difference between declaration and definition?

IBS,

20 51472

Un-Answered Questions { C++ }

When does a name clash occur in c++?

1174

What are the extraction and insertion operators in c++? Explain with examples.

1201

class type to basic type conversion

2421

What is the best c++ compiler?

1166

How much do coding jobs pay?

1020

What are functions in oop?

1062

How connect plc and pc through software

2493

What is ostream in c++?

1016

What is c++ iterator?

1155

Explain the difference between overloading and overriding?

1151

What do you mean by function overriding & function overloading in c++?

1197

What is the difference between new() and malloc()?

2089

Where are setjmp and longjmp used in c++?

1126

Difference between overloaded functions and overridden functions

1065

When is the copy constructor called?

1152

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