Initial data commit

Task/Hello-world-Graphical/Kotlin/hello-world-graphical.kotlin

@@ -0,0 +1,14 @@
+import java.awt.*
+import javax.swing.*
+
+fun main(args: Array<String>) {
+    JOptionPane.showMessageDialog(null, "Goodbye, World!") // in alert box
+    with(JFrame("Goodbye, World!")) {                      // on title bar
+        layout = FlowLayout()
+        add(JButton("Goodbye, World!"))                    // on button
+        add(JTextArea("Goodbye, World!"))                  // in editable area
+        pack()
+        defaultCloseOperation = JFrame.EXIT_ON_CLOSE
+        isVisible = true
+    }
+}