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 do you mean by abstraction in C++?

1 1266

What do you mean by call by value and call by reference?

4 2243

What are the static members and static member functions?

1 1361

What is the difference between shallow copy and deep copy?

1 1352

How do you allocate and deallocate memory in C++?

1 1519

Which operator can not be overloaded in C++?

1 1247

Q1 On the screen how do you write the following words? she sells seashells by the seashore (a) all in one line (b) in three lines Q2 Write a program that asks interactively the user’s name and age and responds with Hello name, next year you will be next_age. where next_age is age + 1 Q3 For the different values of n, what is the output? printf(“%x %c %o %d”,n,n,n,n); (a) n = 67 (b) n = 20 (c) n = 128 (d) n = 255 (e) n = 100 Q4 What will be the output of the following program? int main() { char a,b,c; scanf(“%c %c %c”,&a,&b,&c); printf(“a=%c b=%c c=%c”,a,b,c); return 0; } [Note: The user input is:ABC DEF GHI]

1 2057

Write a C++ Program to Display Number (Entered by the User).

1 888

Identify the error in the following program. #include void main() { int i = 0; i = i + 1; cout « i « " "; /*comment *//i = i + 1; cout << i; }

1 918

Write a program to display the following output using a single cout statement Maths=90 Physics=77 Chemistry = 69

2 2204

Write a C++ Program to find Square Root of a number using sqrt() function.

1 1163

Write a C++ Program to Find Sum and Average of three numbers.

1 947

Write a program to read two numbers from the keyboard and display the larger value on the screen

1 1164

Write a C++ Program to Find whether given Number is Odd or Even.

1 1051

Write a C++ Program to Reverse a Number using while loop.

1 1063

Un-Answered Questions { C++ }

How can you quickly find the number of elements stored in a dynamic array?

1055

What is null pointer and void pointer?

1085

Can you please explain the difference between using macro and inline functions?

1052

what you know about c++?

1162

What is operators in c++?

1015

What is the importance of oop?

1100

What is the real purpose of class – to export data?

1115

What do you know about Volatile keyword in C++? Explain with an example code.

1045

What are move semantics?

1175

Find the Factorial of a number using a program.

1005

What is the average salary of a c++ programmer?

1023

what are Operators and explain with an example?

1167

Is c++ high level programming language?

1144

What is overriding in oop?

1046

To which numbering system can the binary number 1101100100111100 be easily converted to?

1069

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