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21.
What is one advantage of using named parameters?
- A.You can pass the arguments in to the method in any order using the parameter names.
- B.You can pass in optional arguments as long as you use the parameter names in your arguments.
- C.Named parameters make compiling much faster.
- D.Name parameters do not affect compile time.
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
22.
What is an advantage of using generics in .NET?
- A.Generics enable you to create classes that span types.
- B.Generics enable you to create classes that accept the type at creation time.
- C.Generics perform better than nongeneric classes.
- D.Generics do not use optional parameters.
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
23.
What does the designator indicate in a generic class?
- A.It is the parameter for all arguments passed in to the class constructor.
- B.It is the parameter designator for the default method of the class.
- C.It is a placeholder that will contain the object type used.
- D.It is a placeholder that will serve as the class name.
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
24.
How are the values passed in generic methods?
- A.They are passed by value.
- B.They are passed by reference.
- C.They must be encapsulated in a property.
- D.They are passed during class instantiation.
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
25.
To parse a string that might contain a currency value such as $1,234.56, you should pass
the Parse or TryParse method which of the following values?
- A.NumberStyles.AllowCurrencySymbol
- B.NumberStyles.AllowThousands
- C.NumberStyles.Currency
- D.A combination of all NumberStyles values
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
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