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

Write a program to input an integer from the keyboard and display on the screen “WELL DONE” that many times.

1 1933

Write a C++ Program to Find Sum and Average of n numbers using for loop.

1 1071

Write a program to read the values a, b and c and display x, where x=a/b–c. Test the program for the following values: (a) a = 250, b = 85, c = 25 (b) a = 300, b = 70, c = 70

1 1746

Identify the error in the following program. include using namespace std; void main() { int num[]={1,2,3,4,5,6}; num[1]==[1]num ? cout<<"Success" : cout<<"Error"; }

1 1061

Identify the errors in the following program. #include using namespace std; void main() { int i=5; while(i) { switch(i) { default: case 4: case 5: break; case 1: continue; case 2: case 3: break; } i-; } }

1 1387

Write a C++ Program to Check Whether a character is Vowel or Consonant.

2 1256

Write a C++ Program to find Addition of Two Numbers.

1 888

Write a C++ Program to Multiply two Numbers

1 1233

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

1 1450

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

1261

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

3 1021

Explain virtual functions in C++.

3 957

Explain the concept of inheritance in C++.

3 976

What are access specifiers in C++?

3 1005

What is the use of the this pointer?

3 1008

Un-Answered Questions { C++ }

Write a Program for read a line from file from location N1 to N2 using command line arguments. Eg:exe 10 20 a.c

1296

Who created c++?

1065

What is malloc in c++?

1018

What are the four main data types?

1085

What does the linker do?

1043

Explain rtti.

1087

How is stl different from c++ standard library?

1334

Describe new operator?

1163

write a program to find 2^n+1 ?

2072

Where Malloc(), Calloc(), and realloc() does get memory?

1056

What size is allocated to the union variable?

1065

What is the output of the following program? Why?

1146

what type of question are asked in thoughtworks pair programming round ?

2219

Explain why C++ is not purely Object Oriented Language

1092

What is #include iostream in c++?

1059

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