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CuriousTab

CuriousTab

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  • Question
  • Which of the following two entities (reading from Left to Right) can be connected by the dot operator?


  • Options
  • A. A class member and a class object.
  • B. A class object and a class.
  • C. A class and a member of that class.
  • D. A class object and a member of that class.

  • Correct Answer
  • A class object and a member of that class. 


  • Objects and Classes problems


    Search Results


    • 1. What happens when we try to compile the class definition in following code snippet?
      class Birds {};
      class Peacock : protected Birds {};

    • Options
    • A. It will not compile because class body of Birds is not defined.
    • B. It will not compile because class body of Peacock is not defined.
    • C. It will not compile because a class cannot be protectedly inherited from other class.
    • D. It will compile succesfully.
    • Discuss
    • 2. Which of the following can be overloaded?

    • Options
    • A. Object
    • B. Functions
    • C. Operators
    • D. Both B and C
    • Discuss
    • 3. Which of the following also known as an instance of a class?

    • Options
    • A. Friend Functions
    • B. Object
    • C. Member Functions
    • D. Member Variables
    • Discuss
    • 4. Which of the following statements is correct about the program given below?
      class CuriousTab
      {
          public:
          static void MyFunction();
      };
      int main()
      {
          void(*ptr)() = &CuriousTab::MyFunction;
          return 0; 
      }

    • Options
    • A. The program reports an error as pointer to member function cannot be defined outside the definition of class.
    • B. The program reports an error as pointer to static member function cannot be defined.
    • C. The program reports an error as pointer to member function cannot be defined without object.
    • D. The program reports linker error.
    • Discuss
    • 5. What does a class hierarchy depict?

    • Options
    • A. It shows the relationships between the classes in the form of an organization chart.
    • B. It describes "has a" relationships.
    • C. It describes "kind of" relationships.
    • D. It shows the same relationship as a family tree.
    • Discuss
    • 6. Which of the following is the only technical difference between structures and classes in C++?

    • Options
    • A. Member function and data are by default protected in structures but private in classes.
    • B. Member function and data are by default private in structures but public in classes.
    • C. Member function and data are by default public in structures but private in classes.
    • D. Member function and data are by default public in structures but protected in classes.
    • Discuss
    • 7. Which of the following means "The use of an object of one class in definition of another class"?

    • Options
    • A. Encapsulation
    • B. Inheritance
    • C. Composition
    • D. Abstraction
    • Discuss
    • 8. Which of the following can access private data members or member functions of a class?

    • Options
    • A. Any function in the program.
    • B. All global functions in the program.
    • C. Any member function of that class.
    • D. Only public member functions of that class.
    • Discuss
    • 9. Which of the following keywords is used to control access to a class member?

    • Options
    • A. Default
    • B. Break
    • C. Protected
    • D. Asm
    • Discuss
    • 10. Which of the following statements is correct?

    • Options
    • A. Data items in a class must be private.
    • B. Both data and functions can be either private or public.
    • C. Member functions of a class must be private.
    • D. Constructor of a class cannot be private.
    • Discuss


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