Questions

Answer the following questions to test your knowledge of this chapter:

1. List the different namespace collections.
2. What is Big O notation used for?
3. What does algorithmic efficiency measure?
4. Is it preferable to use IList<T> or List<T> in terms of instantiation speed?
5. Should we use collections or arrays?
6. What does an indexer do?
7. Which method of iteration is fastest on an in-memory collection between IEnumerable<T> and IEnumerator<T>?
8. In terms of memory and speed performance, what database query method performs best?
9. When building a collection using iteration, what is the quickest way to build the collection up and return the results?