Java Swing tutorials.
A container is involved in firing the Container events; right after the component gets added/removed. Such kinds of events are just for sake of notifications. Container listeners are not needed to be there for adding or removing the components successfully.
Container events are demonstrated by the given example. Click at ADD A BUTTON /Remove Button to add or remove buttons from the panel which is present at the window’s bottom. Everytime button is added/removed, container event is