fxmlSample

sample.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.Pane?>


<Pane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sample.Controller">
   <children>
      <Button layoutX="250.0" layoutY="209.0" mnemonicParsing="false" onAction="#bntOK_onClick" text="Button" />
      <TextField fx:id="txtname" layoutX="309.0" layoutY="62.0" />
      <Label fx:id="lblAnswer" layoutX="263.0" layoutY="290.0" text="Label" />
   </children>
</Pane>