// create the server listening socket for port 1234 

serversocketconnection scn = (serversocketconnection)

connector.open("socket://:1234");
// wait for a connection.

socketconnection sc = (socketconnection) scn.acceptandopen();
// set application specific hints on the socket.

sc.setsocketoption(delay, 0);

sc.setsocketoption(linger, 0);

sc.setsocketoption(keepalive, 0);

sc.setsocketoption(rcvbuf, 128);

sc.setsocketoption(sndbuf, 128);
// get the input stream of the connection.

datainputstream is = sc.opendatainputstream();
// get the output stream of the connection.

dataoutputstream os = sc.opendataoutputstream();
// read the input data.

string result = is.readutf();
// echo the data back to the sender.

os.writeutf(result);
// close everything.

is.close();

os.close();

sc.close();

scn.close();

..

socketconnection sc = (socketconnection)

connector.open("socket://host.com:79");

sc.setsocketoption(socketconnection.linger, 5);
inputstream is = sc.openinputstream();

outputstream os = sc.openoutputstream();
os.write("\r\n".getbytes());

int ch = 0;

while(ch != -1) {

　ch = is.read();

}
is.close();

os.close();

sc.close();