What's a good way to prompt a user with an error message etc. in swing?

i want to be able to prompt the user within a given a function that i've created .. with some kind of warning message or error message .. or anything for that matter ..
is there even a timer of some sort that i could use for the prompt .. say if im connecting and i want to prompt the user with a 'connecting ... ' message .. then close it when ive secured the connection? ...
simple aesthetics i guess .. but a want indeed.

For your first question, just use the static JOptionPane.showXXX methods.
If you are making a connection in another thread, use the SwingUtilities.invokeLater (or in this case even invokeAndWait) method to close the dialog from the other thread.

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What are the good ways to send a big file( 20MB-100MB) file to my friend?

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if this is with the internet, iChat is probly your best bet,
but if you just want a transfer,
plug a firewire into both of your computers, shutdown one of them, hold "T" and press the power button, the restarted computer should pop up as an external drive on the second computer.

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Demo: I'm using the nul character to represent the end of the word, so that the data structure can represent that "hell" and "hello" are both in the vocabulary:
import java.util.*;
class Node {
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        } else {
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public class Example {
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Do a Google search on "Drobo S" "benchmark." I don't have a Drobo S, only the regular Drobo. But here's a guy who tested one on Windows:
http://mansurovs.com/drobo-s-review-usb-3-0-2nd-generation
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https://social.msdn.microsoft.com/Forums/azure/en-US/d036afe2-78ec-45ee-8b0d-297f0f5320fe/azure-documentdb-bulk-insert-using-stored-procedure.
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https://msdn.microsoft.com/en-us/library/dn589797.aspx?f=255&MSPPError=-2147217396.

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What's a good way to prompt a user with an error message etc. in swing?

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