What is Flutter & Dart?

Flutter is an Open-Source UI SDK developed by Google . It allows the development of iOS/Android apps and uses Dart as the programming language. Dart is an Open-Source, client-side programming language. It is easy to learn, stable, and creates high-performance applications.

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What is main Dart file in Flutter?

Dart programs has an entry point called main. When you run flutter or dart file it first runs main function . In this case the main function is calling flutter specific function called runApp which takes any widget as an argument and created a layout which fills the screen.12 Haz 2020

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How do you write if else if else?

Use an if/else statement if the two conditions are mutually exclusive meaning if one condition is true the other condition must be false. if (testScore > 60) cout << “You pass” << endl; if (testScore > 90) cout << “You did great” << endl; For example, before noon (AM) and after noon (PM) are mutually exclusive.

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