ｖ４５６９９ - 経済統計練習帳

package delya;
 
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.scene.image.WritableImage;
import javax.imageio.ImageIO;
import java.io.File;
import javafx.embed.swing.SwingFXUtils;
 
public class pro extends Application {
 
    @Override
    public void start(Stage primaryStage) {
        Button btn = new Button();
        btn.setText("Say 'Hello World'");
        btn.setOnAction(new EventHandler<ActionEvent>() {
 
            @Override
            public void handle(ActionEvent event) {
                System.out.println("Hello World!");
            }
        });
 
        StackPane root = new StackPane();
        root.getChildren().add(btn);
 
        Scene scene = new Scene(root, 300, 250);
 
        WritableImage snapshot = scene.snapshot(null);
        try {
  ImageIO.write(SwingFXUtils.fromFXImage(snapshot, null), "png", new File("scene.png"));
} catch (Exception ex) {System.out.println(ex.getMessage());}
 
        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }
 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
 
}