Why references are different from pointers?

  1. Home

Question:
Why references are different from pointers?

1.A reference cannot be made null

2.A reference cannot be changed once initialized

3.No extra operator is needed for dereferencing of a reference

4.All of the mentioned

Posted Date:-2021-02-21 05:12:05

More MCQS Questions and answers

  1. A language which has the capability to generate new data types are called _______
  2.  What are the escape sequences?
  3.  Which concept means the addition of new components to a program as it runs?
  4.  Which operator is overloaded for a cout object?
  5. C++ is _______
  6. How access specifiers in Class helps in Abstraction?
  7. How compile-time polymorphisms are implemented in C++?
  8. How many types of polymorphism are there in C++?
  9. How run-time polymorphisms are implemented in C++?
  10. How structures and classes in C++ differ?
  11. Which of the following is the correct syntax of including a user defined header files in C++?
  12. Out of the following, which is not a member of the class?
  13. What are the actual parameters in C++?
  14. What are the formal parameters in C++?
  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 other name used for functions inside a class?
  19. Which concept allows you to reuse the written code?
  20. Which concept is used to implement late binding?
  21. Which function is used to read a single character from the console in C++?
  22. Which function is used to write a single character to console in C++?
  23. Which members are inherited but are not accessible in any case?
  24. Which of the following approach is used by C++?
  25. Which of the following cannot be a friend?
  26. Which of the following cannot be used with the virtual keyword?
  27. Which of the following class allows to declare only one object of it?
  28. Which of the following escape sequence represents carriage return?
  29. Which of the following escape sequence represents tab?
  30. Which of the following explains the overloading of functions?
  31. Which of the following is a correct identifier in C++?
  32. Which of the following is a static polymorphism mechanism?
  33. Which of the following is an abstract data type?
  34. Which of the following is called address operator?
  35. Which of the following is called extraction/get from operator?
  36. Which of the following is called insertion/put to operator?
  37. Which of the following is correct in C++?
  38. Which of the following is correct?
  39. Which of the following is correct?
  40. Which of the following is correct?
  41. Which of the following is not a type of Constructor?
  42. Which of the following is not a type of inheritance?
  43. Which of the following is used for comments in C++?
  44. Which of the following is used to make an abstract class?
  45. Which of the following provides a programmer with the facility of using object of a class inside other classes?
  46. Which of the following shows multiple inheritances?
  47. Which of the following supports the concept that reusability is a desirable feature of a language?
  48. Who created C++?
  49. Why references are different from pointers?
  50. Wrapping data and its related functionality into a single entity is known as ______
Search
Olete Team
Online Exam Test Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on Online Exam Test website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!