C++ interview questions and Answers

Last updated on Feb 10, 2022
  • Share
C++ interview questions

Developed as “advanced” version of C, C++ works on similar concepts of C language while making significant performance gains in hardware. C++ is one of the top words STILL used on the world’s high web applications like facebook.com, google.com, youtube.com. C++ is also used to make games, and it is a hugely popular language in legacy system applications. We are also highlighting some of the C++ Interview Question and Answers for freshers and experienced as well.

Advantages of C++

  • C++ is faster compared to high-level languages.
  • C++ can be executed on many devices and is easily portable.
  • C++ is perfect in individual bit changes, so it is ideal for hardware device drivers.
  • C++ has an excellent function Library
  • C++ is a fast and quick language.
  • C++ allows the function overloading.

Most Frequently Asked C++ interview questions

Here in this article, we will be listing frequently asked C++ interview questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q21. What do you mean by inheritance in C++? Explain its types.
Q22. What is constructor and destructor in C++?
Q23. Explain the difference between new() and malloc() in C++?
Q24. What do you mean by friend class & friend function in C++?
Q25. What do you mean by function overriding & function overloading in C++?
Q26. What is copy constructor? Can we make copy constructor private in C++?
Q27. Explain the difference between Abstract class and Interface in C++?
Q28. What do you mean by Vtable and VPTR in C++?
Development History of C++

C++, a general-purpose object-oriented language was developed by Bjarne Stroustrup of Bell Labs in the year 1979. When C++ was developed its name was C with classes, and it was built as an extension to the C language, but later it was named C++ in 1983 which means the increment of C by 1.C++ has the features like Classes, Abstraction, and Inheritance.C++ is considered to be a little complex language

Here are some of the essential C++ interview questions and answers that will support you in learning the C++ language basics.

Since it is a complex language, it is essential to know the basics accurately to start doing the programs, and therefore we have given you some essential C++ technical interview questions and answers so that you can learn the basics very well.

Reviewed and verified by Best Interview Question
Best Interview Question

With our 10+ experience in PHP, MySQL, React, Python & more our technical consulting firm has received the privilege of working with top projects, 100 and still counting. Our team of 25+ is skilled in...