26. What is the use of reference member type in allocator?

1. 1. Reference to an element

   
   
   

   2. Point to an element

   
   
   

   3. Quantities of element

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Reference to an element

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27. What is the correct syntax for declaring an allocator?

1. 1. template < class T > class;

   
   
   

   2. template class allocator;

   
   
   

   3. template < class T > class allocator;

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   It is a type of syntax for declaring the allocater.

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28. What is the main feature of locale in C++?

1. 1. Portability

   
   
   

   2. Reliability

   
   
   

   3. Sustainability

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   A locale is a set of features that are culture-specific, which can be used by programs to be more portable internationally.

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29. Which objects information is loaded in locale object?

1. 1. function

   
   
   

   2. facet object

   
   
   

   3. instead object

   
   
   

   4. Both facet & instead object

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   A locale object contains information about which facet objects constitute a locale, and is each one of these facet objects that implements specific features as member functions.

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30. How many categories are available in facets?

1. 1. 6

   
   
   

   2. 5

   
   
   

   3. 4

   
   
   

   4. 3

   
   
   

   5. 2

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   There are 6 categories of facet in c++. They are collate, ctype, monetary, numeric, time and messages.

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