Read float number from a Socket : Socket « Network « Java Tutorial

1. Java Tutorial
2. Network
3. Socket

import java.io.DataInputStream;
import java.net.Socket;

public class Main {
  public static void main(String[] args) throws Exception {
    Socket sock = new Socket(args[0], 1234);
    DataInputStream dis = new DataInputStream(sock.getInputStream());
    float f = dis.readFloat();
    System.out.println("PI=" + f);
    dis.close();
    sock.close();
  }
}