What is dart io in Flutter?

The dart:io library is aimed at code that runs in Flutter and the standalone Dart VM . In this article we will give you a feel for what is currently possible with dart:io by going through a couple of examples. Note: When writing a Flutter app, use Flutter-specific APIs instead of dart:io whenever possible.

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What is dart Library?

A library in a programming language represents a collection of routines (set of programming instructions). Dart has a set of built-in libraries that are useful to store routines that are frequently used. A Dart library comprises of a set of classes, constants, functions, typedefs, properties, and exceptions .

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