What is a 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 a Future string?

For example, if a function returns Future<String> , this means that in the future, it will provide a string to you . For the sake of practicing, we can use one of the Future constructors to create our own Future object. The following code creates an instance of Future<String> which will complete immediately.

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What is Future class in Dart?

The future class allows us to run asynchronous code and we can also avoid the callback hell with the help of it . A future mainly represents the result of an asynchronous operation. In Dart, there are many standards library calls that return a future, some of them are − http.get. SharedPreference.getInstance()

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