diff --git a/examples/forms/look_and_feel.own b/examples/forms/look_and_feel.own
new file mode 100644
index 0000000..d7435d6
--- /dev/null
+++ b/examples/forms/look_and_feel.own
@@ -0,0 +1,33 @@
+use ["java", "forms"]
+
+UIManager = newClass("javax.swing.UIManager")
+// UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel")
+UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName())
+
+label = newLabel("Current value: 50")
+progressBar = newProgressBar()
+progressBar.setValue(50)
+progressBar.onChange(def() {
+  label.setText("Current value: " + progressBar.getValue())
+})
+minusBtn = newButton("-1")
+minusBtn.onClick(def() = changeProgress(-1))
+plusBtn = newButton("+1")
+plusBtn.onClick(def() = changeProgress(1))
+
+def changeProgress(delta) {
+  value = progressBar.getValue() + delta
+  if (value > 100) value = 100
+  else if (value < 0) value = 0
+  progressBar.setValue(value)
+}
+
+window = newWindow("ProgressBar example")
+window.add(minusBtn, BorderLayout.WEST)
+window.add(progressBar, BorderLayout.CENTER)
+window.add(plusBtn, BorderLayout.EAST)
+window.add(label, BorderLayout.SOUTH)
+window.pack()
+window.setLocationByPlatform()
+window.setResizable(false)
+window.setVisible()
diff --git a/examples/forms/windowlistener.own b/examples/forms/windowlistener.own
new file mode 100644
index 0000000..ccb15f6
--- /dev/null
+++ b/examples/forms/windowlistener.own
@@ -0,0 +1,24 @@
+use "forms"
+
+textArea = newTextArea("Window logs:")
+
+window = newWindow("Window listener example")
+window.addWindowListener(def(type, event) {
+  textArea.append("\n" + type + ", id: " + match event.id {
+    case WINDOW_OPENED: "WINDOW_OPENED"
+    case WINDOW_CLOSING: "WINDOW_CLOSING"
+    case WINDOW_CLOSED: "WINDOW_CLOSED"
+    case WINDOW_ICONIFIED: "WINDOW_ICONIFIED"
+    case WINDOW_DEICONIFIED: "WINDOW_DEICONIFIED"
+    case WINDOW_ACTIVATED: "WINDOW_ACTIVATED"
+    case WINDOW_DEACTIVATED: "WINDOW_DEACTIVATED"
+    case WINDOW_GAINED_FOCUS: "WINDOW_GAINED_FOCUS"
+    case WINDOW_LOST_FOCUS: "WINDOW_LOST_FOCUS"
+    case WINDOW_STATE_CHANGED: "WINDOW_STATE_CHANGED"
+    case _: "unknown type"
+  })
+})
+window.add(newScrollPane(textArea))
+window.setSize(300, 200)
+window.setLocationByPlatform()
+window.setVisible()
\ No newline at end of file