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 107725

What and all can a compiler provides by default?

Accenture, HP,

3 15108

What are the different operators in C++?

HP,

3 13771

What is the difference between method and message?

HP,

5 57422

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 62455

when can we use copy constructor?

HP,

6 16528

Describe functional overloading?

HP,

6 11923

Difference between Overloading and Overriding?

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

35 199761

Difference between Operator overloading and Functional overloading?

HP,

10 52670

What is virtual constructor paradigm?

HCL, HP,

5 14737

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 25766

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 223167

What is size of null class?

HP,

6 16732

Is structure can be inherited?

HP, ST Micro,

5 16654

How the V-Table mechanism works?

HP,

6 22242


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Un-Answered Questions { C++ General }

How much do coding jobs pay?

779


What is #include iostream?

1004


How can we check whether the contents of two structure variables are same or not?

834


What is polymorphism and its type in c++?

803


Should a constructor be public or private?

778


How to implement is-a and has-a class relationships?

799


What is the default width for ouputting a long integer using the insertion operator?

984


Reverse the Linked List. Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL

582


How can we read/write Structures from/to data files?

882


Define linked lists with the help of an example.

814


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

971


How do you compile the source code with your compiler?

825


Show the declaration for a static member variable.

765


How are the features of c++ different from c?

810


Is linux written in c or c++?

810