QUIZ 2 # OOP

Unexpected events or conditions that disrupt the normal flow of instructions in a program.

Exception

Exceptions created by developers to handle specific scenarios not covered by system-defined exceptions.

Custom Exception

Used to handle specific error conditions detected in a program.

throw

Data stored in human-readable form, consisting of characters, words, and lines.

Text Data

A class in C# used for reading text from a stream, such as a file or network connection.

StreamReader

Reads all characters from the current position to the end of a stream.

ReadToEnd

A block of code executed regardless of whether an exception occurs or not, often used for cleanup operations.

Finally

Writes a specified string to a stream with a newline character at the end.

WriteLine

Predefined exceptions raised by the .NET framework in response to specific error conditions.

System-Defined Exception

Encloses code that might throw an exception, defining a block where exceptions can occur.

try

Specifies the type of exception to catch and the code to execute if that exception occurs.

catch

Occurs when trying to access a member of a null object reference.

NullReferenceException

Base class from which developers can create their own custom exceptions.

Exception Class

Data stored in a format not directly human-readable.

Binary Data

A method in C# to check if a file already exists at a specified path.

File.Exists

Returns a 'FileStream' object for reading from or writing to a file.

FileOpen

Reads binary data from a stream and converts it to appropriate data types.

BinaryReader

Refers to the process of reading from and writing to files on a computer's storage system.

File I/O

Used to create a new file, overwriting it if it already exists.

File.Create

These are unexpected events or conditions that occur during the execution of a program and disrupt the normal flow of instructions.

Exception