asynchronous i/o

I'm making a simple chat program where the client sends a message to the server which the server redirects it back to all the connected clients.   In particular, I'm using the java .nio package (buffers and channels) and want to know if asynchronous i/o is a must in this case (since dealing with readings and writings of data).   Suppose even if its not mandatory, is it going to be critical if I'm going to build a larger program using this as a base?   Any comments are appreciated.  
skyblue01Asked:
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CEHJCommented:
>>and want to know if asynchronous i/o is a must in this case

Certainly not. This sort of thing was going on long before nio came out and still is going on ;-)

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skyblue01Author Commented:
Oh okay.   But if I want ot make a network connection in the real-time environment, wouldn't it be critical spawning multiple threads and not having asynchronous i/o?   Also all the sample codes I've seen uses this feature and mine doesn't so I was wondering if I was doing something very inefficient...
CEHJCommented:
>>.   But if I want ot make a network connection in the real-time environment, wouldn't it be critical spawning multiple threads and not having asynchronous i/o?  

Well, i'm not sure what you're doing (you didn't mention that above), so i can't really answer that...
skyblue01Author Commented:
CEHJ thanks for your suggestion.
CEHJCommented:
:-)
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