Initial data commit

Task/Simple-windowed-application/Groovy/simple-windowed-application-1.groovy

@@ -0,0 +1,11 @@
+import groovy.swing.SwingBuilder
+
+count = 0
+new SwingBuilder().edt {
+  frame(title:'Click frame', pack: true, show: true) {
+    vbox {
+      countLabel = label("There have been no clicks yet.")
+      button('Click Me', actionPerformed: {count++; countLabel.text = "Clicked ${count} time(s)."})
+    }
+  }
+}

Task/Simple-windowed-application/Groovy/simple-windowed-application-2.groovy

@@ -0,0 +1,16 @@
+import groovy.swing.SwingBuilder
+import groovy.beans.Bindable
+
+@Bindable class Model {
+   Integer count = 0
+}
+model = new Model()
+new SwingBuilder().edt {
+  frame(title:'Click frame', pack: true, show: true) {
+    vbox {
+      label(text: bind(source: model, sourceProperty: 'count',
+        converter: { v -> !v ? "There have been no clicks yet." : "Clicked ${v} time(s)."}))
+      button('Click Me', actionPerformed: {model.count++})
+    }
+  }
+}