Which of the following is correct?

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Question:
Which of the following is correct?

1. A class is an instance of its objects

2.An object is an instance of its class

3.A class is an instance of the data type that the class have

4.An object is an instance of the data type of the class

Posted Date:-2021-01-31 14:08:04

More MCQS Questions and answers

  1. How many types of polymorphism are there in C++?
  2. How run-time polymorphisms are implemented in C++?
  3. Which concept means the addition of new components to a program as it runs?
  4. Which of the following explains Polymorphism?
  5. Which of the following provides a programmer with the facility of using object of a class inside other classes?
  6. Which of the following statement is true? I) In Procedural programming languages, all function calls are resolved at compile-time II) In Object Oriented programming languages, all function calls are resolved at compile-time
  7. 1. Which of the following class allows to declare only one object of it?
  8. 2. Which of the following is not a type of Constructor?
  9. C++ is ______________
  10. How access specifiers in Class helps in Abstraction?
  11. How compile-time polymorphisms are implemented in C++?
  12. How structures and classes in C++ differ?
  13. Wrapping data and its related functionality into a single entity is known as ____________
  14. Out of the following, which is not a member of the class?
  15. What does modularity mean?
  16. What does polymorphism in OOPs mean?
  17. What happens if a class does not have a name?
  18. What is the correct syntax of declaring array of pointers of integers of size 10 in C++?
  19. What is the difference between delete and delete[] in C++?
  20. What is the other name used for functions inside a class?
  21. What is virtual inheritance?
  22. What will be the output of the following C++ code? #include <iostream> using namespace std; class A{ public: A(){ cout<<"Constructor called "; } ~A(){ cout<<"Destructor called "; } }; int main(int argc, char const *argv[]) { A *a = new A[5]; delete a; return 0; }
  23. Which concept allows you to reuse the written code?
  24. Which concept is used to implement late binding?
  25. Which members are inherited but are not accessible in any case?
  26. Which of the following approach is used by C++?
  27. Which of the following cannot be a friend?
  28. Which of the following cannot be used with the virtual keyword?
  29. Which of the following explains the overloading of functions?
  30. Which of the following feature of OOPs is not used in the following C++ code? class A { int i; public: void print(){cout<<"hello"<<i;} } class B: public A { int j; public: void assign(int a){j = a;} }
  31. Which of the following is a static polymorphism mechanism?
  32. Which of the following is an abstract data type?
  33. Which of the following is correct about new and malloc?
  34. Which of the following is correct in C++?
  35. Which of the following is correct?
  36. Which of the following is correct?
  37. Which of the following is correct?
  38. Which of the following is correct?
  39. Which of the following is not a type of inheritance?
  40. Which of the following is true? I) All operators in C++ can be overloaded. II) The basic meaning of an operator can be changed.
  41. Which of the following is used to make an abstract class?
  42. Which of the following shows multiple inheritances?
  43. Which of the following supports the concept that reusability is a desirable feature of a language?
  44. Which operator is overloaded for a cout object?
  45. Why references are different from pointers?
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