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serial or parallel port listening program

 
Ranch Hand
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hi ranchers...

from this link http://java.sun.com/developer/technicalArticles/J2SE/Desktop/javase6/desktop_api/
i came to know the use of printing api from which i can print a text file to a printer... but similar way, how can i obtain some signal or some sort of input from a serial or parallel port into my java program??? i need to make my java program listen to the serial or parallel port... please some one help me out...
 
Rancher
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That's what the javax.comm package is for. If you're using Windows, then some links are here.
 
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