What is Future Dart?

A future (lower case “f”) is an instance of the Future (capitalized “F”) class . A future represents the result of an asynchronous operation, and can have two states: uncompleted or completed. Note: Uncompleted is a Dart term referring to the state of a future before it has produced a value.

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What is .then in Flutter?

await is to interrupt the process flow until the async method completes . then however does not interrupt the process flow. This means that the next instructions will be executed. But it allows you to execute the code when the asynchronous method completes.

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What is Future value in Flutter?

Future<T>. value constructor Null safety Creates a future completed with value . If value is a future, the created future waits for the value future to complete, and then completes with the same result . Since a value future can complete with an error, so can the future created by Future.

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