Object Oriented Programming interview questions part 13
Object Oriented Programming interview questions part 13
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Total Questions: 20
1. The non-template functions can be added with default arguments to already declared functions ____________________
Correct Answer is : If and only if the function is declared again in the same scope
2. The using declaration __________
Correct Answer is : Carries over the known default arguments
3. The names given to the default arguments are only looked up and ________________. And are bound during declaration.
Correct Answer is : Checked for accessibility
4. The default argument get bound during declaration ________________
Correct Answer is : But are executed during function call
5. The virtual function overrides ____________
Correct Answer is : Do not acquire base class declaration of default arguments
6. What is delete operator?
Correct Answer is : Deallocates a block of memory
7. If an object is allocated using new operator ____________
Correct Answer is : It should be deleted using delete operator
8. Does delete return any value?
Correct Answer is : No
9. Which type of value is resulted from the delete operator?
Correct Answer is : void
10. If delete is used to delete an object which was not allocated using new _______________
Correct Answer is : Then unpredictable errors may arise
11. Delete operator _________________
Correct Answer is : Can be used on pointer with value 0
12. When delete operator is used ___________________ (If object has a destructor)
Correct Answer is : Object destructor is called before deallocation
13. If delete is applied to an object whose l-value is modifiable, then _______________ after the object is deleted.
Correct Answer is : Its value is undefined
14. How many variants of delete operator are available?
Correct Answer is : Only 2
15. Which is the correct syntax to delete a single object?
Correct Answer is : delete objectName;
16. Which is the correct syntax to delete array of objects?
Correct Answer is : delete [] objectName;
17. Which cases among the following produces the undefined result?
Correct Answer is : delete [] on an object and delete on object array
18. The delete operator __________________
Correct Answer is : Invokes function operator delete
19. For objects that are not of class type ______________
Correct Answer is : Global delete operator is invoked
20. The delete operator __________________________
Correct Answer is : Can be defined for each class
