How does Flutter's widget lifecycle manage the dispose method?

Developers need to manually call the dispose method.
The dispose method is automatically called when the widget is removed from the widget tree.
The dispose method is called when the widget is created.
The dispose method is optional and rarely used.

Flutter's widget lifecycle automatically invokes the dispose method when a widget is removed from the widget tree. This is crucial for cleaning up resources, subscriptions, or any other resource-intensive tasks. Developers can override the dispose method to handle these cleanup operations, ensuring the proper management of resources and preventing memory leaks in Flutter applications.

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