10 Typical Exam/Interview Questions for C++ Programming

10 questions and answers that may be relevant to C++ programming.

  1. What is the difference between C++ and C?
  • C++ is an extension of the C programming language with additional features such as classes and objects, while C is a procedural programming language.
  1. What is a class in C++?
  • A class in C++ is a blueprint for creating objects, which define a set of attributes and behaviors.
  1. What is an object in C++?
  • An object in C++ is an instance of a class, which has its own set of attributes and behaviors.
  1. What is a constructor in C++?
  • A constructor in C++ is a special member function of a class that is automatically called when an object of that class is created.
  1. What is a destructor in C++?
  • A destructor in C++ is a special member function of a class that is automatically called when an object of that class is destroyed.
  1. What is inheritance in C++?
  • Inheritance in C++ is the ability of a class to inherit properties and methods from a parent class.
  1. What is polymorphism in C++?
  • Polymorphism in C++ is the ability of a single function or operator to work with different types of data.
  1. What is encapsulation in C++?
  • Encapsulation in C++ is the process of hiding the implementation details of a class from the outside world.
  1. What is an exception in C++?
  • An exception in C++ is an event that occurs during the execution of a program that disrupts the normal flow of instruction.
  1. What is the difference between a stack and a queue in C++?
  • A stack is a data structure that follows the Last In First Out (LIFO) principle, while a queue is a data structure that follows the First In First Out (FIFO) principle.

Please keep in mind that these questions and answers are just a sample and are not exhaustive. Additionally, I suggest double-checking the answers and also checking the latest C++ standards and best practices as the field is constantly evolving.

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