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 1177

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

4 1937

What are the static members and static member functions?

1 1288

What is the difference between shallow copy and deep copy?

1 1233

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

1 1421

Which operator can not be overloaded in C++?

1 1153

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 1953

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

1 786

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

1 804

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

2 2067

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

1 1053

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

1 840

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

1 1066

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

1 949

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

1 950

Un-Answered Questions { C++ }

What type of question are asked in GE code writing test based on c++ data structures and pointers?

3922

What is the prototype of printf function?

1114

What is private, public and protected inheritance?

1032

write a program to convert a decimal number in to its equivalent binary number?

2569

What is extern c++?

944

What is the difference between the parameter to a template and the parameter to a function?

1057

What is pointer in c++ with example?

1008

Is dev c++ free?

966

Why do we use classes in programming?

985

Which language is not a true object oriented programming language?

1061

What do you mean by overhead in c++?

1028

Why is the function main() special?

1040

What are the different types of comments allowed in c++?

934

What do the header files usually contains?

999

Implement stack operations with pointers with appropriate exception checks.

925

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