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

C++ General Interview Questions

Questions Answers Views Company eMail

How would you stop a class from class from being derived or inherited?The constructer should not be Private,as object instantiation should be allowed.

Satyam,

15 21871

what is data Abstraction? and give example

Aaditya Info Solutions, American Express, CMS, College School Exams Tests, Data Entry Operator, First Advantage, Google, HCL, IBM, Infosys, Microsoft, Mind Links, NIIT, Oracle, Pact, QBit Systems, TCS, WAYA, Wipro,

147 296720

write a program in c++ to implement stack using functions in header file stack.h

Google, Subex,

3 22935

implement stack using stack.h headerfile functions

Exilant, GMG, Subex, University,

1 9953

what is static function

Patni,

2 7286

why the size of an empty class is 1

4 12351

is throwing exception from a constructor not a good practice ?

Ericsson,

5 11462

why can't we declare data member of class auto register or extern

1 5606

difference between c and c++?

Cognizant, IBM, Infosys, Oracle, Sarva Shiksha Abhiyan, Wipro,

38 127284

Brief explaination about #include, cin and cout

3 10546

write the prime no program in c++?

16 40992

write program for palindrome

Amazon, Aricent, CSC, GE, HCL, Infosys, Syntel, Temenos, Wipro,

81 215006

Write the program for fibonacci in c++?

TATA, Wipro,

20 44033

Write the program form Armstrong no in c++?

HCL,

11 30517

how many rounds and wt type of questios ask in the written test for first round 2. tech. round 3. and futher rounds

Thought Works,

2542

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Un-Answered Questions { C++ General }

Is c++ used anymore?

1095

Can you overload the operator+ for short integers?

1043

How can virtual functions in c++ be implemented?

1135

what is software cycle? What is a mission critical system ? What is the important aspect of a real-time system ? Explain the difference between microkernel and macro kernel. Give an example of microkernel.Why paging is used ? Which is the best page replacement algo and Why ? What is software life cycle ? How much time is spent usually in each phases and why Which one do U want to work if selected in Honeywell ? Which are the different types of testing ? What is a distributed system ? Some questions about CSP. Which languages do U know ? What are the differences between Pascal and C. questions from Compiler construction and Lisp. Which are the different computer architecture? What is the requirement in MIMD ? What is the difference between RISC and CISC processors ? Difference between loosely coupled and tightly coupled systems ? What is an open system?

2226

Write about the local class and mention its use?

1082

What is & in c++ function?

1064

What is a terminating character in c++?

1395

C is to C++ as 1 is to a) What the heck b) 2 c) 10

1057

What is the difference between an external iterator and an internal iterator? Describe an advantage of the external iterator.

1067

How do you traverse a btree in backward in-order?

1035

What is an inline function in c++?

1116

What is the exit function in c++?

989

What is the difference between *p++ and (*p)++ ?

1361

Write a C++ Program to check whether a number is prime number or not?

1132

Define pure virtual function?

988

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