import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class TestSocket {
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
//get my ip
InetAddress host = InetAddress.getLocalHost();
String ip=host.getHostAddress();
String hip=ip.substring(0, ip.lastIndexOf("."));
System.out.println(hip);
}
}
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