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 1838

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

1 971

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 1647

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 1003

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 1319

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

2 1161

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

1 809

Write a C++ Program to Multiply two Numbers

1 1150

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

1 1355

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

1217

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

3 897

Explain virtual functions in C++.

3 879

Explain the concept of inheritance in C++.

3 864

What are access specifiers in C++?

3 861

What is the use of the this pointer?

3 899

Un-Answered Questions { C++ }

What is switch case in c++ syntax?

1062

What is the output of the following program? Why?

1098

Find the Factorial of a number using a program.

952

What is virtual methods?

1082

Do inline functions improve performance?

1019

Define macro.

1035

What is encapsulation and abstraction? How are they implemented in C++?

1075

What are pointer-to-members? Explain.

1078

What are guid?

1195

What is the difference between passing by reference and passing a reference?

1031

Difference between Call by pointer and by reference.

948

What is function prototyping?

1052

What is the main purpose of overloading operators?

1075

Write about a nested class and mention its use?

1058

What are the data types in oop?

1050

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