MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Object Oriented Programming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which among the following is wrong syntax related to static data members? |
| A. | className :: staticDataMember; |
| B. | dataType className :: memberName =value; |
| C. | static dataType memberName; |
| D. | className : dataType -> memberName; |
| Answer» E. | |
| 2. |
If object of class are created, then the static data members can be accessed ____________ |
| A. | Using dot operator |
| B. | Using arrow operator |
| C. | Using colon |
| D. | Using dot or arrow operator |
| Answer» E. | |
| 3. |
Whenever any static data member is declared in a class ______________________ |
| A. | Only one copy of the data is created |
| B. | New copy for each object is created |
| C. | New memory location is allocated with each object |
| D. | Only one object uses the static data |
| Answer» B. New copy for each object is created | |
| 4. |
Which data members among the following are static by default? |
| A. | extern |
| B. | integer |
| C. | const |
| D. | void |
| Answer» D. void | |
| 5. |
Which among the following is the correct syntax to access static data member without using member function? |
| A. | className -> staticDataMember; |
| B. | className :: staticDataMember; |
| C. | className : staticDataMember; |
| D. | className . staticDataMember; |
| Answer» C. className : staticDataMember; | |
| 6. |
The static data member __________________________ |
| A. | Can be accessed directly |
| B. | Can be accessed with any public class name |
| C. | Can be accessed with dot operator |
| D. | Can be accessed using class name if not using static member function |
| Answer» E. | |
| 7. |
If static data members have to be used inside a class, those member functions _______________ |
| A. | Must not be static member functions |
| B. | Must not be member functions |
| C. | Must be static member functions |
| D. | Must not be member function of corresponding class |
| Answer» D. Must not be member function of corresponding class | |
| 8. |
The syntax for defining the static data members is __________ |
| A. | dataType className :: memberName = value; |
| B. | dataType className : memberName = value; |
| C. | dataType className . memberName = value; |
| D. | dataType className -> memberName =value; |
| Answer» B. dataType className : memberName = value; | |
| 9. |
The static data member ______________________ |
| A. | Must be defined inside the class |
| B. | Must be defined outside the class |
| C. | Must be defined in main function |
| D. | Must be defined using constructor |
| Answer» C. Must be defined in main function | |
| 10. |
Which is the correct syntax for declaring static data member? |
| A. | static mamberName dataType; |
| B. | dataType static memberName; |
| C. | memberName static dataType; |
| D. | static dataType memberName; |
| Answer» E. | |
| 11. |
Any changes made to static data member from one member function _____________ |
| A. | Is reflected to only the corresponding object |
| B. | Is reflected to all the variables in a program |
| C. | Is reflected to all the objects of that class |
| D. | Is constant to that function only |
| Answer» D. Is constant to that function only | |
| 12. |
Which keyword should be used to declare static variables? |
| A. | static |
| B. | stat |
| C. | common |
| D. | const |
| Answer» B. stat | |
| 13. |
Which among the following best defines static variables members? |
| A. | Data which is allocated for each object separately |
| B. | Data which is common to all the objects of a class |
| C. | Data which is common to all the classes |
| D. | Data which is common to a specific method |
| Answer» C. Data which is common to all the classes | |
| 14. |
WHICH_DATA_MEMBERS_AMONG_THE_FOLLOWING_ARE_STATIC_BY_DEFAULT??$ |
| A. | extern |
| B. | integer |
| C. | const |
| D. | void |
| Answer» D. void | |
| 15. |
WHICH_AMONG_THE_FOLLOWING_IS_CORRECT_SYNTAX_TO_ACCESS_STATIC_DATA_MEMBER_WITHOUT_USING_MEMBER_FUNCTION??$ |
| A. | className -> staticDataMember; |
| B. | className :: staticDataMember; |
| C. | className : staticDataMember; |
| D. | className . staticDataMember; |
| Answer» C. className : staticDataMember; | |
| 16. |
20 22$ |
| A. | 20 21 |
| B. | 21 22 |
| C. | 22 23 |
| Answer» B. 21 22 | |