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Answers for Microsoft .NET Online Test | Online Quiz | Mock Exam

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Ques. You are writing a custom dictionary. The custom-dictionary class is named MyDictionary. You need to ensure that the dictionary is type
safe.
Which code segment should you use?
Option 1. class MyDictionary : Dictionary<string, string>
Option 2. class MyDictionary : HashTable
Option 3. class MyDictionary : IDictionary
Option 4. class MyDictionary { ... } Dictionary<string, string> t = new Dictionary<string, string>(); MyDictionary dictionary = (MyDictionary)t;
 
Ans. Option 4
 
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