this is the preview in scene builder

below is the fxml code
 <?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.image.Image?>
<?import javafx.scene.image.ImageView?>
<?import javafx.scene.layout.BorderPane?>
<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="452.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/18" xmlns:fx="http://javafx.com/fxml/1">
   <center>
      <ImageView fitHeight="187.0" fitWidth="372.0" pickOnBounds="true" preserveRatio="true" BorderPane.alignment="CENTER">
         <image>
            <Image url="@../../../../java/testImages/testImage.jpeg" />
         </image>
      </ImageView>
   </center>
   <bottom>
      <Button mnemonicParsing="false" text="Button" BorderPane.alignment="CENTER" />
   </bottom>
</BorderPane>
the image below is the executed code result where the image should appear
below is the java code
package com.ultijavafx.ultijavafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.stage.Stage;
import java.io.IOException;
public class jfx extends Application {
    @Override
    public void start(Stage stage) throws IOException {
        FXMLLoader fxmlLoader = new FXMLLoader(jfx.class.getResource("javafxVeiw.fxml"));
        Scene scene = new Scene(fxmlLoader.load(), 1500, 1000);
        stage.setTitle("Hello!");
        stage.setScene(scene);
        stage.show();
    }
    public static void main(String[] args) {
        launch();
    }
}
the image below is the resource structure


 
    