What is protected in Dart?

protected top-level constant Null safety Indicates that the annotated instance member (method, getter, setter, operator, or field) m in a class or mixin C should only be referenced in specific locations. … m (explicitly or implicitly), and not m on any other instance of C .

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How do you make a Dart private?

In Java, we can use public , protected , and private keywords to control the access scope for a property or method. However, Dart doesn’t provide that kind of keywords. Instead, you can use _ (underscore) at the start of the name to make a data member of a class becomes private .

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What does Extends do in flutter?

You can inherit from or extend a class using the extends keyword. This allows you share properties and methods between classes that are similar, but not exactly the same . Also, it allows different subtypes to share a common runtime type so that static analysis doesn’t fail.

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