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 1839

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

1 975

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 1006

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 1322

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

2 1163

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

1 813

Write a C++ Program to Multiply two Numbers

1 1151

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

1 1359

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?

3 905

Explain virtual functions in C++.

3 882

Explain the concept of inheritance in C++.

3 867

What are access specifiers in C++?

3 865

What is the use of the this pointer?

3 900

Un-Answered Questions { C++ }

What is an iterator?

1150

What does obj stand for?

1102

What is encapsulation c#?

1020

Can you sort a set c++?

953

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

939

What is new in c++?

1058

What are different types of loops in c++?

1083

What is a function in oop?

1029

Following are the class specifications: class {int a}; class {int b}; Using friend funtion,calculate the max of two objects and display it.

2424

What is c++ map?

1073

What is #include math h in c++?

1033

If P is the population on the first day of the year, B is the birth rate, and D is the death rate, the estimated population at the end of the year is given by the formula: The population growth rate is given by the formula: B – D Write a program that prompts the user to enter the starting population, birth and death rates, and n, the number of years. The program should then calculate and print the estimated population after n years. Your program must have at least the following functions: 1. growthRate: This function takes its parameters the birth and death rates, and it returns the population growth rate. 2. estimatedPopulation: This function takes its parameters the current population, population growth rate, and n, the number of years. It returns the estimated population after n years Your program should not accept a negative birth rate, negative death rate, or a population less than 2. please answer my question ....

2359

What is a memory leak in C++?

963

How the programmer of a class should decide whether to declare member function or a friend function?

1076

How would you use the functions memcpy(), memset(), memmove()?

1045

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