PeopleStrong interview questions and answers

175 Articles

175

Find the wrong statement about Abstract Class ?

July 12, 2021

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Answer : B. We can’t create pointers to an abstract class

C++

Editor

C++ supports run time polymorphism with the help of virtual functions, which is called ______ binding

July 12, 2021

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Answer : A. Dynamic

C++

Editor

A virtual function that has no definition within the base class is called ?

July 12, 2021

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Answer : A. Pure virtual function

C++

Editor

Which of the following statements about virtual base classes is correct ?

July 12, 2021

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Answer : B. It is used to avoid multiple copies of base class in derived class.

C++

Editor

Which of the following concepts means wrapping up of data and functions together ?

July 12, 2021

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Answer : B. Encapsulation

C++

Editor

Which of the following can access private data members or member functions of a class ?

July 12, 2021

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Answer : C. Any member function of that class.

C++

Editor

Which of the following access specifiers is used in a class definition by default ?

July 12, 2021

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Answer : C. Private

C++

Editor

What is pure virtual function in C++ ?

July 12, 2021

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Answer : A virtual function will become pure virtual function…

C++

Editor

State whether the following statements about inheritance are True or False.

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Answer : C. True, True

C++

Editor

In c++ how are protected members of a base class accessed in derived class when inherited privately ?

July 12, 2021

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Answer : A. Privately

C++

Editor

Encapsulation is ?

July 12, 2021

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Answer : C. Reduce Complexity

C++

Editor

Which of the following concepts of OOPS means exposing only necessary information to client ?

July 12, 2021

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Answer : C. Data Hiding

C++

Editor

Write a function that takes an integer array as an input and find the largest number in the array. You cannot sort array or use any API or searching needs ?

July 12, 2021

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Answer : #include…

C++

Editor

Given a list of numbers ( fixed list) Now given any other list, how can you efficiently find out if there is any element in the second list that is an element of the first list (fixed list) ?

July 12, 2021

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Answer : In this method, we store all elements of second array in a hash table….

C++

Editor

What are the advantages and disadvantages of using inline and const ?

July 12, 2021

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July 12, 2021

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Answers : Advantages of inline….

C++

Editor

What are the OOPS concepts ?

July 12, 2021

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Answer : An object is an abstraction…

C++

Editor

What is the output of this C code ?

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Answer : D. Error

Editor

How to find LCM of two Numbers in C ?

July 12, 2021

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Answer : The LCM of two numbers a and b is the smallest positive integer that is perfectly divisible…

Editor

Explain Call by Reference in C language ?

July 12, 2021

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Answer : In call by reference, original value is modified…

Editor

Explain Call by Value in C language ?

July 12, 2021

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July 12, 2021

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Answer : In call by value, original value is not modified…

Editor

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PeopleStrong interview questions and answers

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