Java tutorial
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintStream; import java.net.ServerSocket; import java.net.Socket; public class Main { public static void main(String args[]) throws Exception { ServerSocket ssock = new ServerSocket(1234); Socket sock = ssock.accept(); ssock.close(); PrintStream pstream = new PrintStream(sock.getOutputStream()); pstream.print("count? "); BufferedReader input = new BufferedReader(new InputStreamReader(sock.getInputStream())); String line = input.readLine(); pstream.println(""); int count = Integer.parseInt(line); for (int i = count; i >= 0; i--) { pstream.println(i); } pstream.close(); sock.close(); } }