C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

What are the static members and static member functions?

1 1350

What is the difference between shallow copy and deep copy?

1 1331

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

1 1510

Which operator can not be overloaded in C++?

1 1229

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 2046

Write a C++ Program to Multiply two Numbers

1 1217

Write a C++ Program to Generate Random Numbers between 0 and 100

1 1439

int age=35; if(age>80) {Console.WriteLine("Boy you are old");} else {Console.WrieLine("That is a good age");}

1259

What is the difference between a shallow copy and a deep copy?

3 996

Explain virtual functions in C++.

3 955

Explain the concept of inheritance in C++.

3 966

What are access specifiers in C++?

3 981

What is the use of the this pointer?

3 996

Explain RAII (Resource Acquisition Is Initialization).

3 1050

What is the difference between inline functions and macros?

5 1380

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Un-Answered Questions { C++ General }

What is a static member?

1040

What is a pointer with example?

1244

what is the use of void main() in C++ language?

1121

What is the use of default constructor?

1092

What are keywords in c++?

1095

What are c++ templates used for?

1134

Why is c++ not purely object oriented?

1008

what is the difference between linear list linked representaion and linked representation? what is the purpose of representing the linear list in linked represention ? is it not avoiding rules of linear represention?

2351

What does obj stand for?

1159

Write a Program for find and replace a character in a string.

1078

How do you differentiate between overloading the prefix and postfix increments?

1095

Explain 'this' pointer and what would happen if a pointer is deleted twice?

1059

Are vectors faster than arrays?

996

When the constructor of a base class calls a virtual function, why doesn't the override function of the derived class gets called?

1093

Can a constructor return a value?

1242

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