Someone

import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;


public class TestIn {
	public static void main(String[] args) {
		try {
			ServerSocket ss = new ServerSocket(16789);
			Socket s = ss.accept();
			InputStreamReader isr = new InputStreamReader(s.getInputStream());
			System.out.println(isr.read());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}