Answer / wmlead

Lets 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)

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