init commit

grademanager.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file

src/main/java/com/example/grademanager/HelloApplication.java

+package com.example.grademanager;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+import java.io.IOException;
+
+public class HelloApplication extends Application {
+    @Override
+    public void start(Stage stage) throws IOException {
+        FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
+        Scene scene = new Scene(fxmlLoader.load(), 320, 240);
+        stage.setTitle("Hello!");
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch();
+    }
+}
\ No newline at end of file

src/main/java/com/example/grademanager/HelloController.java

+package com.example.grademanager;
+
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+
+public class HelloController {
+    @FXML
+    private Label welcomeText;
+
+    @FXML
+    protected void onHelloButtonClick() {
+        welcomeText.setText("Welcome to JavaFX Application!");
+    }
+}
\ No newline at end of file

src/main/resources/com/example/grademanager/hello-view.fxml

+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.VBox?>
+
+<?import javafx.scene.control.Button?>
+<VBox alignment="CENTER" spacing="20.0" xmlns:fx="http://javafx.com/fxml"
+      fx:controller="com.example.grademanager.HelloController">
+    <padding>
+        <Insets bottom="20.0" left="20.0" right="20.0" top="20.0"/>
+    </padding>
+
+    <Label fx:id="welcomeText"/>
+    <Button text="Hello!" onAction="#onHelloButtonClick"/>
+</VBox>