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import java.util.Enumeration;
import javax.comm.CommPortIdentifier;
public class MainClass {
public static void main(String[] ap) {
Enumeration pList = CommPortIdentifier.getPortIdentifiers();
while (pList.hasMoreElements()) {
CommPortIdentifier cpi = (CommPortIdentifier) pList.nextElement();
System.out.print("Port " + cpi.getName() + " ");
if (cpi.getPortType() == CommPortIdentifier.PORT_SERIAL) {
System.out.println("is a Serial Port: " + cpi);
} else if (cpi.getPortType() == CommPortIdentifier.PORT_PARALLEL) {
System.out.println("is a Parallel Port: " + cpi);
} else {
System.out.println("is an Unknown Port: " + cpi);
}
}
}
}
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