What is meant by encapsulation?

By definition, encapsulation describes the idea of bundling data and methods that work on that data within one unit, like a class in Java . This concept is also often used to hide the internal representation, or state of an object from the outside. This is called information hiding.

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What is as keyword in Dart?

It’s primarily used as a type cast operator . From the Dart Language Tour: as : Typecast (also used to specify library prefixes) It links to an explanation of how as is also used to add a prefix to an import ed library to avoid name collisions. ( as was reused to do different things to avoid needing extra keywords.)

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