Test your knowledge and understanding by answering some questions, get some hands-on practice, and explore with deeper research into topics of this chapter.
Use the Web to answer the following questions:
Does every assembly you create have a reference to the
mscorlib.dll
assembly?What is the maximum number of characters that can be stored in a
string
?When and why should you use a
SecureString
?When should you use a
LinkedList
?When should you use a
SortedDictionary
class rather than aSortedList
class?Why should you not use the official standard for e-mail addresses to create a regular expression for validating a user's e-mail address?
Create a console application named Ch04_Exercise02 that prompts the user to enter a regular expression, and then prompts the user to enter some input and compare the two for a match until the user presses Esc:
The default regular expression checks for at least...