JavaFx Money Counter Calculator App

package controller;

import javafx.event.ActionEvent;
import javafx.scene.control.Alert;
import javafx.scene.control.TextField;

public class MoneyController {
    public TextField txtSalary;

    public void btnCal(ActionEvent actionEvent) {

        int salary = Integer.parseInt(txtSalary.getText());
        int notes,coins;

        notes = salary / 5000;
        salary = salary % 5000;
        System.out.println("5000 notes : " + notes);

        int fivethusand = notes;
        notes = salary / 1000;
        salary = salary % 1000;
        System.out.println("1000 notes : " + notes);

        int thusand = notes;

        notes = salary / 500;
        salary = salary % 500;
        System.out.println("500 notes : " + notes);

        int fivehundred = notes;

        notes = salary / 100;
        salary = salary % 100;
        System.out.println("100 notes : " + notes);
        int hundred = notes;


        notes = salary / 50;
        salary = salary % 50;
        System.out.println("50 notes : " + notes);
        int fifty = notes;

        notes = salary / 20;
        salary = salary % 20;
        System.out.println("20 notes : " + notes);
        int twenty = notes;

        coins = salary / 10;
        salary = salary % 10;
        System.out.println("10 coins : " + coins);
        int ten = coins;

        coins = salary / 5;
        salary = salary % 5;
        System.out.println("5 coins : " + coins);
        int five = coins;

        coins = salary / 2;
        salary = salary % 2;
        System.out.println("2 coins : " + coins);
        int two = coins;

        System.out.println("1 coins : " + salary);
        int one = salary;


        Alert alert = new Alert(Alert.AlertType.INFORMATION);
        alert.setTitle("Notes an Coin");
        alert.setHeaderText("Results:");
        alert.setContentText(
                "5000 notes " + fivethusand+ "\n" +
                        "1000 notes " + thusand+ "\n" +
                        "500 notes " + fivehundred+ "\n" +
                        "100 notes " + hundred+ "\n" +
                        "50 notes " + fifty+ "\n" +
                        "20 notes " + twenty+ "\n" +
                        "10 coins " + ten+ "\n" +
                        "5 coins " + five+ "\n" +
                        "2 coins " + two+ "\n" +
                        "1 coins " + one+ "\n"
        );

        alert.showAndWait();

    }
}

AppInilizer

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

import java.io.IOException;

public class AppIniliozer extends Application {

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

    @Override
    public void start(Stage primaryStage) throws IOException {

        Parent parent = FXMLLoader.load(this.getClass().getResource("view/MoneyForm.fxml"));
        Scene scene = new Scene(parent);
        primaryStage.setScene(scene);
        primaryStage.setTitle("MoneyForm");
        primaryStage.centerOnScreen();
        primaryStage.show();

    }
}

MoneyForm.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?>
<?import javafx.scene.text.Font?>


<AnchorPane prefHeight="285.0" prefWidth="481.0" xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1" fx:controller="controller.MoneyController">
   <children>
      <Label layoutX="62.0" layoutY="47.0" text="Notes &amp; Coins Calculator">
         <font>
            <Font name="System Bold" size="29.0" />
         </font>
      </Label>
      <Label layoutX="62.0" layoutY="137.0" text="Salary" textFill="#e10909">
         <font>
            <Font name="System Bold" size="21.0" />
         </font>
      </Label>
      <TextField fx:id="txtSalary" layoutX="158.0" layoutY="137.0" prefHeight="31.0" prefWidth="254.0" />
      <Button layoutX="298.0" layoutY="208.0" mnemonicParsing="false" onAction="#btnCal" prefHeight="34.0" prefWidth="113.0" text="Calculator" textFill="#ec0000">
         <font>
            <Font name="System Bold" size="17.0" />
         </font>
      </Button>
   </children>
</AnchorPane>

i have attached the video link below. which will do this tutorials step by step.