fuck this shit.

 public void run() {
            try {
                // Create data input and output streams
                 isFromClient = new DataInputStream(
                        connectToClient.getInputStream());
                 osToClient = new DataOutputStream(
                        connectToClient.getOutputStream());
                 // testsing connection
                 String g = isFromClient.readUTF();
                 System.out.println(g);
                // Continuously serve the client   DOING ALL THE WORK
                 Name123();
            } catch (IOException | SQLException ex) {
                System.err.println(ex);
            } catch (ClassNotFoundException ex) {
                Logger.getLogger(ServerGU.class.getName()).log(Level.SEVERE, null, ex);
            }

        }
    }

            public void Name123() throws SQLException, IOException, ClassNotFoundException {
                while (true) {
                    boolean Done = false;
                    while (!Done) {
                                PreparedStatement ps;
                        byte messageType = isFromClient.readByte();

                        switch (messageType) {
                            case 1: {
                                Connection con = DriverManager.getConnection(host, uName, uPass);
                                Susername = isFromClient.readUTF();
                                System.out.println("Username: " + Susername);
                                Spassword = isFromClient.readUTF();
                                System.out.println("Password: " + Spassword);

                                ps = con.prepareStatement("SELECT * FROM LOGIN WHERE username = ? AND password = ?");
                                ps.setString(1, Susername);
                                ps.setString(2, Spassword);
                                ResultSet result = ps.executeQuery();
                                if (result.next()) {
                                    System.out.println("Login Successfull!!!");
                                    String Pass = "Success";
                                    osToClient.writeUTF(Pass);
                                } else {
                                    System.out.println("Wrong User OR Pass!!!");
                                    String Fail = "Failed";
                                    osToClient.writeUTF(Fail);
                                }
                                break;
                            }
                            case 2: {
                                osToClient.writeUTF("first");
                                osToClient.flush();
                                //  jTxtLog.setText(jTxtLog.getText() + new Date() + " first button" + '\n');
                                Connection con = DriverManager.getConnection(host, uName, uPass);
                                ps = con.prepareStatement("SELECT * FROM USERDATA where CUST_ID = 1");
                                ResultSet result = ps.executeQuery();

                                if (result.next()) {
                                    String first = result.getString("FIRSTNAME");
                                    osToClient.writeUTF(first);
                                    String last = result.getString("LASTNAME");
                                    osToClient.writeUTF(last);
                                    String postcode = result.getString("POSTCODE");
                                    osToClient.writeUTF(postcode);
                                    String phone = result.getString("PHONENUMBER");
                                    osToClient.writeUTF(phone);
                                    String Email = result.getString("EMAILADDRESS");
                                    osToClient.writeUTF(Email);

                                } else {
                                }
                                break;
                            }
                        }
                    }
        }
}