c# SEASON TWO FINAL CHAP 15 pt 1
StreamReader inFile = new StreamReader("name.txt");
while ((inValue = inFile.ReadLine()) != null)
What does the above statement do?
Reads every line from an input file.
When writing text files, if you add true to the constructor for the Append argument, ____.
lines are added onto the end of the file
The ____ class has implementations for Write( ) and WriteLine( ) methods similar to the Console class methods.
StreamWriter
StreamReader inFile = new StreamReader("name.txt");
while ((inValue = inFile.ReadLine()) != null)
With the above code segment, how could you programmatically avoid having a FileNotFoundException or DirectoryNotFoundException exception thrown?
invoke File.Exists( ) before the while loop
Which of the following is an abstract class that cannot be instantiated?
FileDialog
StreamReader inFile = new StreamReader("name.txt");
while ((inValue = inFile.ReadLine()) != null)
Using the above segment of code, inValue would be defined as what type of data?
string
The keyword ____ can be used to define a scope for an object such that the CLR automatically disposes of, or releases, the resource when the object goes out of scope.
using
Which method is used to cause the dialog boxes to open?
ShowDialog( )
Which of the following is a static member of the Directory class?
Exists( )
Parent and Root are two key properties of which class?
DirectoryInfo
StreamWrite outputFile = new StreamWriter("someOutputFileName");
StreamReader inputFile = new StreamReader("someInputFileName");
If you browse using Windows Explorer or Computer, the physical file that already exists before the two statements from above are executed is ____.
someInputFile
Which exception is thrown when an attempt is made to access a file that does not exist?
FileNotFoundException
Which of the following class belongs to the System.IO namespace?
FileNotFoundException
The most appropriate programmer-defined enumeration identifier for a card's color that has field values of Red, Blue, Yellow, Black, and Green would be ____.
CardColor
The FileDialog class has a property called ____, which is used by both the OpenFileDialog and SaveFileDialog classes to set or get the name of the file using a dialog box.
FileName
All attempts to access text files should be enclosed inside if...else blocks to check forexceptions.
FALSE
The constructor for the StreamWriter class is overloaded to include a Boolean variable indicating whether this is the first time the file was accessed.
FALSE
When a method uses a(n) ____________ modifier, the method belongs to the class itself, not to a specific object of the class and is thus called using the class name.
static
A(n) ____________ is considered a named collection of bytes having persistent or lasting storage.
data file
A(n) ____________ is a special form of value type that supplies names for the values.
enumeration
StreamWriter outputFile = new StreamWriter("someOutputFileName");
StreamReader inputFile = new StreamReader("someInputFileName");
The identifier that can be referenced in a WriteLine( ) method with the declaration above is ____.
outputFile
In order to remove a StreamWriter object named writer, which is associated with a file in the project directory called "test.dta", you would write ____.
File.Delete(writer)
The gray section below the Form object where dialog objects are placed in Visual Studio is called the ____.
component tray
When you place an @ in front of a string, the string becomes a(n) ____.
verbatim string
Objects of streams can be wrapped with ____ objects to improve the speed and performance of file-handling operations.
BufferedStream
The StreamReader's Peek( ) method returns the next available character but does not consume it.
TRUE
The StreamReader class is used to create text files.
FALSE