Isolates. At the point when Dart starts, there will be one main Isolate (Thread). It is the original main executing thread of the application, alluded to as the UI Thread .
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However, Dart and Flutter have its answer. They together perform long-running operations with the help of Future API, async, await keywords, and then functions. Together they perform asynchronous programming in Flutter. Asynchronous doesn’t mean multi-threaded .
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