Exception handling

Which keyword is used to handle exceptions in C#?

• catch

• final

• throw

• error

What does the finally block do in exception handling?

• Executes only when an exception is thrown

• Executes only if no exception is thrown

• Executes always, regardless of whether an exception occurs or not

• Skips execution if an exception is caught

Which of the following is the correct order of a try-catch-finally block?

• try-catch-finally

• try-finally-catch

• catch-try-finally

• finally-catch-try

What does the throw keyword do in C#?

• Ignores the exception

• Logs the exception

• Rethrows the exception

• Stops the program

Which class is the base class for all exceptions in C#?

• Error

• Exception

• BaseException

• SystemException

What will be the output of the following code?

try {

int x = 5 / 0;

} catch (DivideByZeroException) {

Console.WriteLine("Divide by zero");

} finally {

Console.WriteLine("Finally block");

}

• Runtime error

• Divide by zero

• Divide by zero
  Finally block

• Finally block only

What will happen if an exception is thrown and not caught?

• Program will continue execution

• Program will crash

• Exception will be logged

• Exception will be ignored

Can multiple catch blocks be used with a try block in C#?

• No

• yes

• Only with finally

• nly if exception is null

What is the purpose of try-catch block in C#?

• To break out of loops

• To handle runtime errors

• To manage compile-time errors

• To call system exceptions

What happens if an exception is thrown inside a finally block?

• It overrides any previous exception

• It is ignored

• It is suppressed

• It is handled automatically