Using filewriters to write to an already opened file

Hi,
I have used a filewriter to write some message to a file in a loop. Will i be able to write the messages for the rest of the iterations, if after the first iteration , i open that file in a notepad and check out if the message is being written properly?

If you open the file before the filewriter opens it, the file might get locked causing an IOException when you try to open the file. But that only happens when the file is locked by the program that opens it. Notepad doesn't doen't lock the files it opens so you can safely open it. You won't see the updates that are made to the file after you open it until you reopen the file.
You could also open it in you favorite browser, then you can hit the reload button to see the latest version.

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