What is a Statelesswidget?

Stateless Widget: The widgets whose state can not be altered once they are built are called stateless widgets. These widgets are immutable once they are built i.e any amount of change in the variables, icons, buttons, or retrieving data can not change the state of the app.

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What is initState in Flutter?

initState() is a method of class State and it is considered as an important lifecycle method in Flutter. initState() is called only Once and we use it for one time initializations. Example : To initialize data that depends on the specific BuildContext . To initialize data that needs to executed before build() .

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