See Server.java
Client.java
import java.io.*; import java.net.*; import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Label; import javafx.scene.control.ScrollPane; import javafx.scene.control.TextArea; import javafx.scene.control.TextField; import javafx.scene.layout.BorderPane; import javafx.stage.Stage; public class Client extends Application { // IO streams DataOutputStream toServer = null; DataInputStream fromServer = null; @Override // Override the start method in the Application class public void start(Stage primaryStage) { // Panel p to hold the label and text field BorderPane paneForTextField = new BorderPane(); paneForTextField.setPadding(new Insets(5, 5, 5, 5)); paneForTextField.setStyle("-fx-border-color: green"); paneForTextField.setLeft(new Label("Enter a radius: ")); TextField tf = new TextField(); tf.setAlignment(Pos.BOTTOM_RIGHT); paneForTextField.setCenter(tf); BorderPane mainPane = new BorderPane(); // Text area to display contents TextArea ta = new TextArea(); mainPane.setCenter(new ScrollPane(ta)); mainPane.setTop(paneForTextField); // Create a scene and place it in the stage Scene scene = new Scene(mainPane, 450, 200); primaryStage.setTitle("Client"); // Set the stage title primaryStage.setScene(scene); // Place the scene in the stage primaryStage.show(); // Display the stage tf.setOnAction(e -> { try { // Get the radius from the text field double radius = Double.parseDouble(tf.getText().trim()); // Send the radius to the server toServer.writeDouble(radius); toServer.flush(); // Get area from the server double area = fromServer.readDouble(); // Display to the text area ta.appendText("Radius is " + radius + "\n"); ta.appendText("Area received from the server is " + area + '\n'); } catch (IOException ex) { System.err.println(ex); } }); try { // Create a socket to connect to the server Socket socket = new Socket("localhost", 8000); // Socket socket = new Socket("130.254.204.36", 8000); // Socket socket = new Socket("drake.Armstrong.edu", 8000); // Create an input stream to receive data from the server fromServer = new DataInputStream(socket.getInputStream()); // Create an output stream to send data to the server toServer = new DataOutputStream(socket.getOutputStream()); } catch (IOException ex) { ta.appendText(ex.toString() + '\n'); } } /** * The main method is only needed for the IDE with limited * JavaFX support. Not needed for running from the command line. */ public static void main(String[] args) { launch(args); } }
Maintained by John Loomis, updated Mon Mar 26 11:54:38 2018