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 1265

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

4 2230

What are the static members and static member functions?

1 1358

What is the difference between shallow copy and deep copy?

1 1345

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

1 1515

Which operator can not be overloaded in C++?

1 1241

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 2051

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

1 884

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

1 910

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

2 2192

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

1 1154

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

1 941

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

1 1161

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

1 1046

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

1 1056

Un-Answered Questions { C++ }

What is a storage class?

1275

Is this job good for future? can do this job post grduate student?

2164

What does the linker do?

1041

Explain the importance of method overloading in C++?

1037

can inline function declare in private part of class?

4413

Assume studentNames and studentIDs are two parallel arrays of size N that hold student data. Write a pseudocode algorithm that sorts studentIDs array in ascending ID number order such that the two arrays remain parallel.

2202

what are function pointers?

1060

What is #include ctype h in c++?

1173

Is it possible to write a c++ template to check for a function's existence?

1032

What is dev c++ used for?

1041

What are the advantages and disadvantages of B-star trees over Binary trees?

1057

Define basic type of variable used for a different condition in C++?

1138

What is array in c++ example?

1114

What c++ is used for?

1095

Difference between a homogeneous and a heterogeneous container

1144

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