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| package com.jdojo.intro;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class HelloFXApp extends Application {
public static void main(String[] args) {
// Launch the JavaFX application
Application.launch(args);
}
@Override
public void start(Stage stage) {
Label nameLbl = new Label("Enter your name:");
TextField nameFld = new TextField();
Label msg = new Label();
msg.setStyle("-fx-text-fill: blue;");
// Create buttons
Button sayHelloBtn = new Button("Say Hello");
Button exitBtn = new Button("Exit");
// Add the event handler for the Say Hello button
sayHelloBtn.setOnAction(e -> {
String name = nameFld.getText();
if (name.trim().length() > 0) {
msg.setText("Hello " + name);
} else {
msg.setText("Hello there");
}
});
// Add the event handler for the Exit button
exitBtn.setOnAction(e -> Platform.exit());
// Create the root node
VBox root = new VBox();
// Set the vertical spacing between children to 5px
root.setSpacing(5);
// Add children to the root node
root.getChildren().addAll(nameLbl, nameFld, msg, sayHelloBtn, exitBtn);
Scene scene = new Scene(root, 350, 150);
stage.setScene(scene);
stage.setTitle("Improved Hello JavaFX Application");
stage.show();
}
} |
