import java.net.*;
import java.io.*;
public class Client {
  public static void main(String args[]) throws IOException {
   
    Socket clientSocket = new Socket("localhost",1234);  // Open your connection to a server, at port 1234
   

    DataInputStream dis = new DataInputStream(clientSocket.getInputStream()); // for receiveng from server
    DataOutputStream dos = new DataOutputStream( clientSocket.getOutoupStream()); // for sending to server
    String st = new String (dis.readUTF());
    System.out.println(st);
   
// When done, just close the connection and exit
    dis.close();
    s1In.close();
    s1.close();
  }
}

import java.net.*;
import java.io.*;
public class Server {
  public static void main(String args[]) throws IOException {
   
    ServerSocket serverSocket = new ServerSocket(1234);  // Register service on port 1234
    Socket connectionSocket =serverSocket.accept(); // Wait and accept a connection
    // Get a communication stream associated with the socket
    DataInputStream dis = new DataInputStream(connectionSocket.getInputStream());  /for receiving from client
    DataOutputStream dos = new DataOutputStream( connectionSocket.getOutoupStream()); // for sending to client
    // Send a string!
    dos.writeUTF("Hi there");
    // Close the connection, but not the server socket
    dos.close();
    s1out.close();
    s1.close();
  }
}

   public void Connect(){
      String Adress = getAdressServer().getText();
      
      try {
         
          clientSocket = new Socket(Adress,1234);
          DOS = new DataOutputStream(clientSocket.getOutputStream());
          DIS = new DataInputStream(clientSocket.getInputStream());
         
      } catch (UnknownHostException e) {
         // TODO Auto-generated catch block
      System.out.println("Neispravna adresa servera");
      } catch (IOException e) {
      System.out.println("Neispravan unos");
      }
      
   }


   private JButton getSende() {
      if (POSALJI == null) {
         Send = new JButton();
         Send.setBounds(new Rectangle(351, 197, 136, 28));
         Send.setText("SEND");
         Send.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent e) {

            try {
               DOS.WriteUTF(getSentence.getText());
            } catch (Exception e1) {
               // TODO Auto-generated catch block
               e1.printStackTrace();
            }
               
            }
         });
      }
      return Send;
   }