C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

Difference between Top down and bottom up approaches for a given project ?

BSNL, CSC, HCL, HP, IIT, Infosys, Siemens,

14 113038

What and all can a compiler provides by default?

Accenture, HP,

3 16944

What are the different operators in C++?

HP,

3 14871

What is the difference between method and message?

HP,

5 59278

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 67616

when can we use copy constructor?

HP,

6 18176

Describe functional overloading?

HP,

6 13515

Difference between Overloading and Overriding?

Appnetix Techno, GameLoft, HP, IBM, NIIT, Rohde and Schwarz,

35 208332

Difference between Operator overloading and Functional overloading?

HP,

10 55420

What is virtual constructor paradigm?

HCL, HP,

5 17211

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 28543

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 232713

What is size of null class?

HP,

6 18350

Is structure can be inherited?

HP, ST Micro,

5 18030

How the V-Table mechanism works?

HP,

6 23786

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Un-Answered Questions { C++ General }

Describe public access specifiers?

1166

How do you sort a sort function in c++ to sort in descending order?

1064

Explain abstraction.

1180

When you overload member functions, in what ways must they differ?

1114

What happens if a pointer is deleted twice?

1328

How does class accomplish data hiding in c++?

1240

Which bit wise operator is suitable for putting on a particular bit in a number?

1265

What is a buffer c++?

1108

Is C++ case sensitive a) False b) Depends on implementation c) True

1139

How do I use arrays in c++?

1064

which of the following is not an secondary constant a) array b) real c) union

1861

What do you mean by translation unit?

1139

How long does it take to get good at leetcode?

1242

Is swift faster than go?

1144

What is the need of a destructor?

1208

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