import java.net.*;
import java.io.*;
public class UDPEchoServer extends UDPServer {
protected static int defaultPort = 7;
public static void respond(DatagramSocket ds, DatagramPacket dp) {
DatagramPacket outgoing;
try {
outgoing = new DatagramPacket(dp.getData(), dp.getLength(),
dp.getAddress(), dp.getPort());
ds.send(outgoing);
}
catch (IOException e) {
System.err.println(e);
}
}
}
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