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 conditional Compilation?

emc2, HCL,

3 7165

Precompilation ?

emc2,

1 4794

Difference ways of Polymorphism?

3 6126

Example for 4 pillar of oops like, Inheritance,Poly,Abstraction,Encabsulation ?

3 25821

In multiple inheritance , to create sub class object , is there need to create objects for its superclasses??? in java and c++ both. Actually i have some information that is , all available members from its superclasses , memory created in subclass obj , so no need to create object for its superclasses...??? Thanks in Advance

1 3980

What is the output of the following 3D Array int arr[3][2][2]={1,2,3,4,5,6,7,8,9,10,11,12}; what is the output for arr[2][1][0]?

HCL, Integra, IPMC, ORG,

6 42989

Why static functions always uses static variables?

3 6655

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2087

What are the advantages of C++ programming compared to C programming?

HAL,

2 5980

What is Virtual Keyword?

IBM, NA,

9 12900

Adobe Interview & Adobe Placement Paper

Adobe,

1 11246

what is the difference between linear list linked representaion and linked representation? what is the purpose of representing the linear list in linked represention ? is it not avoiding rules of linear represention?

2351

What is volatile and pragma? When they are used?

1 3741

In which memory a class gets stored(in heap /in stack)? And why??

2 8997

why the argument is passed by reference to a copy constructor?example?

2 6438

Un-Answered Questions { C++ }

How connect plc and pc through software

2478

Define linked lists with the help of an example.

1020

Why should you learn c++?

1016

What is class in c++ with example?

1260

Explain data encapsulation?

1124

When should you use global variables?

1211

What is methods in oop?

973

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

2066

What are stl algorithms?

1163

What is the cout in c++?

1052

Explain abstraction.

1107

Write a program to read the data and evaluate the results of the election. Print all output to the screen. Your output should specify: The total number of votes, the number of valid votes and the number of spoilt votes. The winner(s) of the election. Hint: An appropriate search should be used to determine the winner(s). The votes obtained by each candidate sorted in terms of the number of votes obtained. Hint: An appropriate sort should be used to sort the candidate(s). The Source code should be saved as VotingSystem. Project Input: Candidates’ Names and Numbers 2501 Victor Taylor 2502 Denise Duncan 2503 Kamal Ramdhan 2504 Michael Ali 2505 Anisa Sawh 2506 Carol Khan 2507 Gary Owen Votes 3 1 2 5 4 3 5 3 5 3 2 8 1 6 7 7 3 5 6 9 3 4 7 1 2 4 5 5 1 4 0 Project Output: Invalid vote: 8 Invalid vote: 9 Number of voters: 30 Number of valid votes: 28 Number of spoilt votes: 2 The winner(s): 2503 Kamal Ramdhan 2505 Anisa Sawh Candidate Score 2503 Kamal Ramdhan 6 2505 Anisa Sawh 6 2501 Victor Taylor 4 2504 Michael Ali 4 2502 Denise Duncan 3 2507 Gary Owen 3 2506 Carol Khan 2

3151

What do stl stand for?

1132

What is oop in c++?

1074

Is c++ vector dynamic?

1106

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