Let’s assume we have a code where we are using open
ssh and in the try block we are doing a sftp login.
So in case of success or error either step we would
have to do a logout. So to avoid code duplication both in end of try and catch
block we can have a finally block (exit on done). Do a logout in this sequence.
Also it can hold good when we do a manual
connection to a DB and irrespective of success or failure we want to close
connection.
Main(Exit on success)
|
|----Try(Exit on Failure)
|
|----Catch(Exit on Done)
Finally(Exit on Done) Either Success or failure, if we want output we use finally block.....
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