2016 Update

Task/Hello-world-Graphical/Ruby/hello-world-graphical-4.rb

@@ -0,0 +1,16 @@
+require 'gosu'
+
+class Window < Gosu::Window
+
+  def initialize
+    super(150, 50, false)
+    @font = Gosu::Font.new(self, "Arial", 32)
+  end
+
+  def draw
+    @font.draw("Hello world", 0, 10, 1, 1, 1)
+  end
+
+end
+
+Window.new.show

Task/Hello-world-Graphical/Ruby/hello-world-graphical-5.rb

@@ -0,0 +1,6 @@
+#_Note: this code must not be executed through a GUI
+require 'green_shoes'
+
+Shoes.app do
+  para "Hello world"
+end

Task/Hello-world-Graphical/Ruby/hello-world-graphical-6.rb

@@ -0,0 +1,2 @@
+require 'win32ole'
+WIN32OLE.new('WScript.Shell').popup("Hello world")