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import javax.microedition.io.Connector;
import javax.microedition.io.Datagram;
import javax.microedition.io.DatagramConnection;
public class J2MEDatagramSender {
public static void main(String[] args) throws Exception {
DatagramConnection sender = (DatagramConnection) Connector
.open("datagram://localhost:8080");
int length = 100;
byte[] buffer = new byte[length];
for (int i = 0; i < length; i++) {
buffer[i] = (byte) ('0' + (i % 10));
}
Datagram dgram = sender.newDatagram(buffer, buffer.length);
sender.send(dgram);
for (int i = 0; i < length; i++) {
buffer[i] = (byte) 0;
}
sender.receive(dgram);
length = dgram.getLength();
System.out.println("Received return packet, length is " + length);
for (int i = 0; i < length; i++) {
System.out.print(buffer[i] + " ");
}
}
}
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