exceptions in pascal
Handling Exceptions in Pascal
In Pascal, exceptions can be handled using the try...except
block. The try
block contains the code that may raise an exception, and the except
block contains the code that handles the exception.
try
{ code that may raise an exception }
except
{ code to handle the exception }
end;
Additionally, specific types of exceptions can be handled by specifying the exception type after the except
keyword.
try
{ code that may raise an exception }
except
on E: ExceptionType do
{ code to handle the specific exception type }
end;
It's also possible to use an else
block to execute code when no exception is raised within the try
block.
try
{ code that may raise an exception }
except
{ code to handle the exception }
else
{ code to execute when no exception is raised }
end;
Furthermore, the finally
block can be used to execute code regardless of whether an exception is raised or not.
try
{ code that may raise an exception }
except
{ code to handle the exception }
finally
{ code to execute regardless of exceptions }
end;
These constructs provide a way to handle exceptions and ensure that the program can gracefully recover from unexpected errors.