We've prepared these code snippets to help you learn JavaFX.

Example 1: Scrollpane

Here are the code snippets:

Step 1: Create Project

  1. Open your favorite Java IDE.
  2. In the menu go to File --> Create New Project.

Step 2: Dependencies

No dependencies are needed for this project.

Step 3: Write Code

Our code will comprise the following java files:

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  • ScrollPaneExample.java
  1. In your editor or IDE, create a file known as ScrollPaneExample.java.
  2. Then add the following code:

(a). ScrollPaneExample.java

We will need to add a bunch of imports in our class:

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.ScrollPane;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

We will need to add a bunch of imports in our class:

import java.io.FileInputStream;
import java.io.FileNotFoundException;

The next step is to extend our class as shown below:

public class ScrollPaneExample extends Application {

Our class will have the following methods:

  • void main(String[] args)
  • void start(Stage primaryStage) throws FileNotFoundException

The next step is to define our main() method a shown below:

    public static void main(String[] args) {

In this particular class we will be overriding our void start(Stage primaryStage) throws FileNotFoundException method.
Prepend the code>@Override</code modifier to your method. Then add implementation code as follows:

    @Override
    public void start(Stage primaryStage) throws FileNotFoundException {
        primaryStage.setTitle("JavaFX App");

        //String imagePath = "file://E:/video-projects/tutorials/java-switch-expression/assets/aerial-beverage-caffeine-972533.jpg";

        //choose the path for some large image on your hard disk here.
        String imagePath = "assets/media/abstract-5719221_640.jpg";
        ImageView imageView = new ImageView(new Image(new FileInputStream(imagePath)));

        //ScrollPane scrollPane = new ScrollPane(imageView);
        ScrollPane scrollPane = new ScrollPane();
        scrollPane.fitToWidthProperty().set(true);
        scrollPane.fitToHeightProperty().set(true);
        scrollPane.pannableProperty().set(true);

        scrollPane.hbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.AS_NEEDED);
        //scrollPane.hbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.NEVER);
        //scrollPane.hbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.ALWAYS);
        scrollPane.vbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.AS_NEEDED);

        scrollPane.setContent(imageView);

        VBox vBox = new VBox(scrollPane);
        //HBox hBox = new HBox(button1, button2);
        Scene scene = new Scene(vBox, 960, 600);

        primaryStage.setScene(scene);
        primaryStage.show();
    }

Here is the full code:

package com.jenkov.javafx.scrollpane;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.ScrollPane;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.io.FileInputStream;
import java.io.FileNotFoundException;

public class ScrollPaneExample extends Application {
    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage primaryStage) throws FileNotFoundException {
        primaryStage.setTitle("JavaFX App");

        //String imagePath = "file://E:/video-projects/tutorials/java-switch-expression/assets/aerial-beverage-caffeine-972533.jpg";

        //choose the path for some large image on your hard disk here.
        String imagePath = "assets/media/abstract-5719221_640.jpg";
        ImageView imageView = new ImageView(new Image(new FileInputStream(imagePath)));

        //ScrollPane scrollPane = new ScrollPane(imageView);
        ScrollPane scrollPane = new ScrollPane();
        scrollPane.fitToWidthProperty().set(true);
        scrollPane.fitToHeightProperty().set(true);
        scrollPane.pannableProperty().set(true);

        scrollPane.hbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.AS_NEEDED);
        //scrollPane.hbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.NEVER);
        //scrollPane.hbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.ALWAYS);
        scrollPane.vbarPolicyProperty().setValue(ScrollPane.ScrollBarPolicy.AS_NEEDED);

        scrollPane.setContent(imageView);

        VBox vBox = new VBox(scrollPane);
        //HBox hBox = new HBox(button1, button2);
        Scene scene = new Scene(vBox, 960, 600);

        primaryStage.setScene(scene);
        primaryStage.show();
    }

}

Download

Download the code using the below links:

Number Link
1. Download Example
2. Follow code author
3. Code: Apache 2.0 License