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Questions and Answers
What is the purpose of try and catch in C#?
What is the purpose of try and catch in C#?
- To define a block of code
- To catch and gracefully handle exceptions (correct)
- To execute code regardless of exceptions
- To indicate lack of system resources
Where is the code that may potentially throw an exception placed?
Where is the code that may potentially throw an exception placed?
- Inside the finally block
- Outside of any block
- Inside the catch block
- Inside the try block (correct)
What does the catch block specify?
What does the catch block specify?
- The type of error it can handle
- The finally block to execute
- The specific code to run
- The type of exception it can handle (correct)
What is the difference between error and exception in C#?
What is the difference between error and exception in C#?
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What does the finally block in C# do?
What does the finally block in C# do?
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What is the purpose of the 'finally' block in C#?
What is the purpose of the 'finally' block in C#?
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In C#, what does an 'exception' represent?
In C#, what does an 'exception' represent?
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Where is the code that may potentially throw an exception placed in a try-catch block?
Where is the code that may potentially throw an exception placed in a try-catch block?
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What is the purpose of the 'catch' block in C#?
What is the purpose of the 'catch' block in C#?
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What is the main purpose of using try and catch in C#?
What is the main purpose of using try and catch in C#?
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Study Notes
Try-Catch Block in C#
- The purpose of try and catch in C# is to handle runtime exceptions, allowing the program to recover from unexpected errors.
Exception Handling
- Code that may potentially throw an exception is placed in the try block.
- The catch block specifies the type of exception to be caught and the code to be executed when an exception occurs.
Errors and Exceptions
- In C#, an error is a compile-time mistake, whereas an exception is a runtime error or unexpected condition.
- An exception in C# represents a runtime error or unexpected condition that can be caught and handled.
Finally Block
- The finally block in C# is used to execute code regardless of whether an exception was thrown or not, typically used for cleanup and resource release.
- The purpose of the finally block is to ensure that resources, such as files or connections, are released even if an exception occurs.
Catch Block
- The purpose of the catch block is to catch and handle exceptions, allowing the program to recover from unexpected errors.
Try-Catch Purpose
- The main purpose of using try and catch in C# is to provide robustness and fault tolerance to the program by handling runtime exceptions.
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