Basic JavaFX Example Application

JavaFX Tutorial – We shall build a Basic JavaFX Example Application to understand the basic structure and start working with JavaFX Applications.

Basic JavaFX Example Application

Following is a step by step guide to build Basic JavaFX Example Application.

1. Create a new JavaFX Project.

Follow the clicks : Main Menu -> File -> New -> Project -> JavaFX -> JavaFX Project.

Provide the ‘Project Name‘ – JavaFXExamples and click on Finish.

JavaFXExamples project of type JavaFX would be created.

2. Main Class

By default, Main.java would be created in /src/application/ with necessary code to start the application with an empty window.

Main.java

import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;

public class Main extends Application {
	@Override
	public void start(Stage primaryStage) {
		try {
			BorderPane root = new BorderPane();
			Scene scene = new Scene(root,400,400);
			scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());
			primaryStage.setScene(scene);
			primaryStage.show();
		} catch(Exception e) {
			e.printStackTrace();
		}
	}
	
	public static void main(String[] args) {
		launch(args);
	}
}

3. Create a Text Message

We shall replace BorderPane with StackPane and add a Text shape to the StackPane. The complete JavaFX Class program is as shown in the following program.

Main.java

import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.scene.text.Text;

public class Main extends Application {
	@Override
	public void start(Stage primaryStage) {
		try {
			// create a new Text shape
			Text messageText = new Text("Hello World! Lets learn JavaFX.");
			
			// stack page
			StackPane root = new StackPane();
			
			// add Text shape to Stack Pane
			root.getChildren().add(messageText);
			
			Scene scene = new Scene(root,400,400);
			scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());
			primaryStage.setScene(scene);
			primaryStage.show();
		} catch(Exception e) {
			e.printStackTrace();
		}
	}
	
	public static void main(String[] args) {
		launch(args);
	}
}

4. Run the Application

Follow the clicks Main Menu -> Run -> Run.

Conclusion

In this JavaFX Tutorial – Basic JavaFX Example Application, we have learnt to create a JavaFX application, display a Text Shape, and run the application.