Add JavaFX demo applications and .gitignore files for jbang and kts

material/scripting/jbang/.gitignore

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+.idea/

material/scripting/jbang/jfxdemo.kt

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+///usr/bin/env jbang "$0" "$@" ; exit $?
+
+//DEPS org.openjfx:javafx-controls:23
+//DEPS org.openjfx:javafx-graphics:23:${os.detected.jfxname}
+//DEPS org.openjfx:javafx-fxml:23
+
+import javafx.application.Application
+import javafx.geometry.Pos
+import javafx.scene.Scene
+import javafx.scene.control.Label
+import javafx.scene.layout.VBox
+import javafx.stage.Stage
+
+class HelloJFXApp : Application() {
+    private var scene: Scene? = null
+
+    override fun start(stage: Stage) {
+        val javaInfoString = String.format(
+            "Java: %s, %s , %s",
+            System.getProperty("java.version"),
+            System.getProperty("java.vendor"),
+            System.getProperty("java.vm.version")
+        )
+        val jfxInfoString = String.format("JavaFX: %s", System.getProperty("javafx.version"))
+
+        val holder = VBox()
+        holder.isFillWidth = true
+        holder.alignment = Pos.TOP_CENTER
+        holder.spacing = 5.0
+        holder.children.addAll(
+            Label(javaInfoString),
+            Label(jfxInfoString),
+        )
+
+        scene = Scene(holder, 400.0, 300.0)
+        stage.title = "JavaFX Demo"
+        stage.scene = scene
+        stage.show()
+    }
+}
+
+fun main() {
+    Application.launch(HelloJFXApp::class.java)
+}

material/scripting/kts/.gitignore

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+.idea/

material/scripting/kts/compiler-options.main.kts

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+@file:CompilerOptions("-jvm-target", "1.8", "-Xabi-stability=unstable")
+
+interface Test {
+    fun print()
+    fun printSuper() = println("Hi from super")
+}
+
+class TestImpl : Test {
+    override fun print() = println("Hi from sub")
+}
+
+fun printRandom() = println("Hi from random")
+
+TestImpl().run {
+    print()
+    printSuper()
+    printRandom()
+}

material/scripting/kts/jfxdemo.main.kts

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+@file:DependsOn("org.openjfx:javafx-controls:23")
+@file:DependsOn("org.openjfx:javafx-graphics:23")
+
+import javafx.application.Application
+import javafx.geometry.Pos
+import javafx.scene.Scene
+import javafx.scene.control.Label
+import javafx.scene.layout.VBox
+import javafx.stage.Stage
+
+
+class HelloJFXApp : Application() {
+    private var scene: Scene? = null
+
+    override fun start(stage: Stage) {
+        val javaInfoString = String.format(
+            "Java: %s, %s , %s",
+            System.getProperty("java.version"),
+            System.getProperty("java.vendor"),
+            System.getProperty("java.vm.version")
+        )
+        val jfxInfoString = String.format("JavaFX: %s", System.getProperty("javafx.version"))
+
+        val holder = VBox()
+        holder.isFillWidth = true
+        holder.alignment = Pos.TOP_CENTER
+        holder.spacing = 5.0
+        holder.children.addAll(
+            Label(javaInfoString),
+            Label(jfxInfoString),
+        )
+
+        scene = Scene(holder, 400.0, 300.0)
+        stage.title = "JavaFX Demo"
+        stage.scene = scene
+        stage.show()
+    }
+}
+
+Application.launch(HelloJFXApp::class.java)