你可能感興趣的試題

單項(xiàng)選擇題

You need to select a class that is optimized for key-based item retrieval from both small and large collections.
Which class should you choose？（）

A.OrderedDictionary class
B.HybridDictionary class
C.ListDictionary class
D.Hashtable class

單項(xiàng)選擇題

You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement.
Which criterion should the method meet？（）

A.The method must return a type of either IEnumerator or IEnumerable.
B.The method must return a type of IComparable.
C.The method must explicitly contain a collection.
D.The method must be the only iterator in the class.

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你可能感興趣的試題

You need to select a class that is optimized for key-based item retrieval from both small and large collections. Which class should you choose？（）

You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement. Which criterion should the method meet？（）

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You need to select a class that is optimized for key-based item retrieval from both small and large collections.
Which class should you choose？（）

You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement.
Which criterion should the method meet？（）