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

How to deploy web appliction in web logic ?

Unisys,

1 5727

what is difference between static and non-static variables

10 28430

wht is major diff b/w c and c++?

10 17944

What does '\r' and '\b' mean? Please explain with example.

7 34305

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?

Honeywell,

2227

Write a program to demonstrate the use of 'Composition' in C++

2 8765

How is data security provided in Object Oriented languages? ?

5 7842

WHAT IS THE DIFFERENCE BETWEEN ABSTRUCTION AND ENCAPSULATION? PLEASE EXPLAIN IT.

ETH,

7 27901

WHAT IS ABSTRUCT DATA TYPE ? PLEASE EXPLAIN IT.

HCL,

4 9983

how to find the maximum of 10 numbers ?

5 12622

what is virtual function in c++

6 13732

Why for local variables the memory required to hold the variable is allocated from the program stack and for new its allocated from the heap?

1 3486

What is object slicing and how can we prevent it?

Tech Mahindra,

2 17360

What is multithreading and what is its use?Whats are multithreading techniques used in C++?

1 4491

What is a mutex and a critical section.Whats difference between them?How do each of them work?

CTS,

4 13454

Un-Answered Questions { C++ }

Is it possible to get the source code back from binary file?

1365

What is the best way to take screenshots of a window with c++ in windows?

1056

Which function should be used to free the memory allocated by calloc()?

1025

Where is pseudocode used?

1105

Give the difference between the type casting and automatic type conversion. Also tell a suitable C++ code to illustrate both.

1052

What is singleton class in c++?

1049

What is a down cast?

1114

How many types of modularization are there in c++?

1081

Write a program to encrypt the data in a way that inputs a four digit number and replace each digit by (the sum of that digit plus 7) modulus 10. Then sweep the first digit with the third, second digit with the fourth and print the encrypted number.

2589

What is difference between c++ and c ++ 14?

1058

How are Structure passing and returning implemented by the compiler?

1141

What are maps in c++?

967

What is the difference between method overloading and method overriding in c++?

1151

What is setiosflags c++?

977

What is encapsulation in oops?

1015

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