How does JSON work in flutter?

use jsonEncode() and jsonDecode() from ‘dart:convert’ to serialize JSON data. create model classes with fromJson() and toJson() for all domain-specific JSON objects in your app. add explicit casts, validation, and null checks inside fromJson() to make the parsing code more robust.

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What is async Flutter?

When you await an asynchronous function, the execution of the code within the caller suspends while the async operation is executed . When the operation is completed, the value of what was awaited is contained within a Future object.

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