아래는 씬을 변환하는 코드입니다. 참고가 되시기 바랍니다.

Main.java

package application;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.stage.Stage;
import javafx.scene.Parent;
import javafx.scene.Scene;

public class Main extends Application {

  @Override
  public void start(Stage stage) {
    try {

      Parent root = FXMLLoader.load(getClass().getResource("Scene1.fxml"));
      Scene scene = new Scene(root);
      stage.setScene(scene);
      stage.show();

    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  public static void main(String[] args) {
    launch(args);
  }
}

SceneController.java

package application;

import java.io.IOException;

import javafx.event.ActionEvent;
import javafx.fxml.FXMLLoader;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

public class SceneController {

  private Stage stage;
  private Scene scene;
  private Parent root;

  public void switchToScene1(ActionEvent event) throws IOException {
    root = FXMLLoader.load(getClass().getResource("Scene1.fxml"));
    stage = (Stage)((Node) event.getSource()).getScene().getWindow();
    scene = new Scene(root);
    stage.setScene(scene);
    stage.show();
  }

  public void switchToScene2(ActionEvent event) throws IOException {
    Parent root = FXMLLoader.load(getClass().getResource("Scene2.fxml"));
    stage = (Stage)((Node) event.getSource()).getScene().getWindow();
    scene = new Scene(root);
    stage.setScene(scene);
    stage.show();
  }
}