Why do we switch case?

The main reasons for using a switch include improving clarity , by reducing otherwise repetitive coding, and (if the heuristics permit) also offering the potential for faster execution through easier compiler optimization in many cases.

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How do you declare a variable in darts?

In Dart, a variables must be declared before they are used. Variables are declared using the var keyword followed by variable name that you want to declare . Dart is a type inferred language, which allows compiler automatically infer(know) the type of data we want to store based on the initial value we assign.

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How do you hide and show text on Flutter?

In Flutter, it tends to be done effectively utilizing Visibility a widget. The widget you need to show or hide must be the child of Visibility widget. In the constructor, pass visibility alternative whose value is a boolean and is put away as the state. Then, at that point, update the value to show or hide the child .

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