view.fxml

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

<?import javafx.scene.control.Button?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.layout.FlowPane?>
<?import javafx.scene.layout.VBox?>
<?import javafx.scene.text.Font?>
<?import javafx.scene.text.Text?>


<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0"
            prefWidth="300.0" xmlns="http://javafx.com/javafx/17.0.2-ea" xmlns:fx="http://javafx.com/fxml/1"
            fx:controller="com.project.demo3.Controller">
   <TextField fx:id="textField" editable="false" layoutX="25.0" layoutY="15.0" nodeOrientation="RIGHT_TO_LEFT"
              prefHeight="75.0" prefWidth="250.0" text="0">
      <font>
         <Font size="40.0"/>
      </font>
   </TextField>
   <FlowPane layoutX="25.0" layoutY="125.0" prefHeight="180.0" prefWidth="180.0">
      <Button  mnemonicParsing="false" onAction="#button1Clicked" prefHeight="60.0" prefWidth="60.0" text="1">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="10.0" layoutY="10.0" mnemonicParsing="false" onAction="#button2Clicked" prefHeight="60.0"
              prefWidth="60.0" text="2">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="70.0" layoutY="10.0" mnemonicParsing="false" onAction="#button3Clicked" prefHeight="60.0"
              prefWidth="60.0" text="3">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="130.0" layoutY="10.0" mnemonicParsing="false" onAction="#button4Clicked" prefHeight="60.0"
              prefWidth="60.0" text="4">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="10.0" layoutY="70.0" mnemonicParsing="false" onAction="#button5Clicked" prefHeight="60.0"
              prefWidth="60.0" text="5">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="70.0" layoutY="70.0" mnemonicParsing="false" onAction="#button6Clicked" prefHeight="60.0"
              prefWidth="60.0" text="6">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="130.0" layoutY="70.0" mnemonicParsing="false" onAction="#button7Clicked" prefHeight="60.0"
              prefWidth="60.0" text="7">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="10.0" layoutY="130.0" mnemonicParsing="false" onAction="#button8Clicked" prefHeight="60.0"
              prefWidth="60.0" text="8">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="70.0" layoutY="130.0" mnemonicParsing="false" onAction="#button9Clicked" prefHeight="60.0"
              prefWidth="60.0" text="9">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="70.0" layoutY="10.0" mnemonicParsing="false" onAction="#button0Clicked" prefHeight="60.0"
              prefWidth="60.0" text="0">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button mnemonicParsing="false" onAction="#calculate" prefHeight="60.0" prefWidth="60.0" text="=">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button mnemonicParsing="false" onAction="#clearTextField" prefHeight="60.0" prefWidth="60.0" text="C">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
   </FlowPane>
   <VBox layoutX="215.0" layoutY="125.0" prefHeight="240.0" prefWidth="60.0">
      <Button mnemonicParsing="false" onAction="#addAction" prefHeight="60.0" prefWidth="60.0" text="+">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="10.0" layoutY="70.0" mnemonicParsing="false" onAction="#minusAction" prefHeight="60.0"
              prefWidth="60.0" text="-">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="10.0" layoutY="130.0" mnemonicParsing="false" onAction="#divideAction" prefHeight="60.0"
              prefWidth="60.0" text="/">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
      <Button layoutX="10.0" layoutY="172.0" mnemonicParsing="false" onAction="#multiplicationAction"
              prefHeight="60.0" prefWidth="60.0" text="*">
         <font>
            <Font size="25.0"/>
         </font>
      </Button>
   </VBox>
   <Text fx:id="savedNumbers" layoutX="30.0" layoutY="30.0" strokeType="OUTSIDE" strokeWidth="0.0"/>
</AnchorPane>