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 1338

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

4 2408

What are the static members and static member functions?

1 1427

What is the difference between shallow copy and deep copy?

1 1439

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

1 1585

Which operator can not be overloaded in C++?

1 1330

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 2149

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

1 944

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

1 989

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

2 2336

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

1 1243

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

1 1029

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

1 1255

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

1 1126

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

1 1127

Un-Answered Questions { C++ }

What is enum class in c++?

1327

What is oops?what is its use in software engineering?

1094

What is the difference between a type-specific template friend class and a general template friend class?

1038

Differentiate between a template class and class template in c++?

1147

what are the types of Member Functions?

1181

What are static and dynamic type checking?

1141

What is the oops and benefits of oops programming?

1034

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

1212

What is data binding in oops?

1157

What is split a string in c++?

1252

What is the difference between the functions memmove() and memcpy()?

1172

Is eclipse good for c++?

1108

How a new operator differs from the operator new?

1190

What is object oriented programming (oop)?

1176

What is a virtual function in C++?

1106

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