Read and write with ServerSocket : ServerSocket « Network Protocol « Java





Read and write with ServerSocket

   

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

class SquareServer {
  private final static int BUFSIZE = 20;

  public static void main(String args[]) throws Exception {
    int port = Integer.parseInt(args[0]);
    ServerSocket ss = new ServerSocket(port);
    while (true) {
      Socket s = ss.accept();
      InputStream is = s.getInputStream();
      DataInputStream dis = new DataInputStream(is);
      double value = dis.readDouble();
      value *= value;

      OutputStream os = s.getOutputStream();
      DataOutputStream dos = new DataOutputStream(os);
      dos.writeDouble(value);

      s.close();
    }
  }
}

   
    
    
  










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