NETWORKING - Introduction to Java Programming: Comprehensive Version - page 1163

32 // Create and initialize a title label

33 private Label lblTitle = new Label();

34
35 // Create and initialize a status label

36 private Label lblStatus = new Label();

37
38 // Indicate selected row and column by the current move

39 private int rowSelected;

40 private int columnSelected;

41
42 // Input and output streams from/to server

43 private DataInputStream fromServer;

44 private DataOutputStream toServer;

45
46 // Continue to play?

47 private boolean continueToPlay = true ;

48
49 // Wait for the player to mark a cell

50 private boolean waiting = true ;

51
52

// Host name or ip

53 private String host = "localhost" ;

54
55 @Override // Override the start method in the Application class
56 public void start(Stage primaryStage) {
57 // Pane to hold cell
58 GridPane pane = new GridPane();
59 for ( int i = 0 ; i < 3 ; i++)
60 for ( int j = 0 ; j < 3 ; j++)
61 pane.add(cell[i][j] = new Cell(i, j), j, i);
62
63 BorderPane borderPane = new BorderPane();
64 borderPane.setTop(lblTitle);
65 borderPane.setCenter(pane);
66 borderPane.setBottom(lblStatus);
67
68 // Create a scene and place it in the stage
69 Scene scene = new Scene(borderPane, 320 , 350 );
70 primaryStage.setTitle( "TicTacToeClient" ); // Set the stage title
71 primaryStage.setScene(scene); // Place the scene in the stage
72 primaryStage.show(); // Display the stage
73
74

create UI

// Connect to the server

75 connectToServer();

connect to server

76 }
77
78 private void connectToServer() {

79 try {

80 // Create a socket to connect to the server

81 Socket socket = new Socket(host, 8000 );

82
83

// Create an input stream to receive data from the server

84 fromServer = new DataInputStream(socket.getInputStream()); input from server

85
86 // Create an output stream to send data to the server

87 toServer = new DataOutputStream(socket.getOutputStream());

output to server

88 }
89 catch (Exception ex) {
90 ex.printStackTrace();
91 }