reg.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.AnchorPane?>

<AnchorPane prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.171" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sample.register">
    <children>
        <Button layoutX="274.0" layoutY="319.0" mnemonicParsing="false" text="REGISTER" />
        <AnchorPane layoutX="40.0" layoutY="40.0" prefHeight="229.0" prefWidth="513.0">
            <children>
                <Label layoutX="35.0" layoutY="20.0" prefHeight="31.0" prefWidth="98.0" text="FULL NAME" />
                <Label layoutX="35.0" layoutY="133.0" prefHeight="31.0" prefWidth="98.0" text="USERNAME" />
                <Label layoutX="35.0" layoutY="170.0" prefHeight="31.0" prefWidth="98.0" text="PASSWORD" />
                <Label layoutX="35.0" layoutY="54.0" prefHeight="31.0" prefWidth="98.0" text="PHONENUMBER" />
                <Label layoutX="35.0" layoutY="99.0" prefHeight="31.0" prefWidth="98.0" text="EMAIL ID" />
                <TextField layoutX="257.0" layoutY="23.0" />
                <TextField layoutX="257.0" layoutY="57.0" />
                <TextField layoutX="257.0" layoutY="97.0" />
                <TextField layoutX="257.0" layoutY="136.0" />
                <TextField layoutX="257.0" layoutY="173.0" />
            </children>
        </AnchorPane>
    </children>
</AnchorPane>