You are developing an application that includes a class named Order. The application will store a collection of Order objects.
The collection must meet the following requirements:
• Internally store a key and a value for each collection item.
• Provide objects to iterators in ascending order based on the key.
• Ensure that item are accessible by zero-based index or by key.
You need to use a collection type that meets the requirements.
Which collection type should you use?
A . LinkedList
B . Queue
C . Array
D . HashTable
E . SortedList
Answer: E
Explanation:
SortedList<TKey, TValue> – Represents a collection of key/value pairs that are sorted by key based on the associated IComparer<T> implementation.
http://msdn.microsoft.com/en-us/library/ms132319.aspx