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5.11. Test Your Understanding

1:

Which class encapsulates information about a specific culture?

2:

Name two ways to access the default culture within an application.

3:

Match each regular expression:

  1. 
@"(\b[^\Wa-z0-9_][^\WA-Z0-9_]*\b)"



  2. 
@"(\b[^\Wa-z0-9_]+\b)"



  3. 
@"(\b[^\WA-Z0-9_]+\b)"

with the function it performs:

  1. Find all capitalized words.

  2. Find all lowercase words.

  3. Find all words with the initial letter capitalized.

4:

When is it more advantageous to use the instance methods of Regex rather than the static ones?

5:

Which string comparison method(s) is (are) used to implement this statement:


if (myString == "Monday") bool sw = true;

6:

Match each statement:

  1. 
curdt.ToString("D")



  2. 
curdt.ToString("M")



  3. 
curdt.ToString("ddd MMM dd")

with its output:

  1. March 9

  2. Tuesday, March 9, 2004

  3. Tue Mar 09

7:

Which of these objects is not created from an existing FileStream?

  1. 
FileInfo



  2. 
StreamReader



  3. 
BufferedStream

8:

You can create a FileStream object with this statement:


FileStream fs = new FileStream(fname,

                   FileMode.OpenOrCreate,

                   FileAccess.Write,FileShare.None);

Which one of the following statements creates an identical FileStream using an existing FileInfo object, fi?

  1. 
fs = fi.OpenWrite();



  2. 
fs = fi.Create();



  3. 
fs = fi.CreateText();

9:

Indicate whether the following comparisons are true or false:

  1. 
(string.Compare("Alpha","alpha") >0)



  2. 
(string.Compare("Alpha","alpha",true) ==0)



  3. 
(string.CompareOrdinal("Alpha","alpha")>0)



  4. 
(string.Equals("alpha","Alpha"))

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