Dart programming relies heavily on libraries, which contain critical sets of built-in functionality. Several common libraries are provided for you; in addition, you can do modular programming with the help of libraries. We have already seen many examples, such as predefined collection methods, many mathematical functions, etc.
Several common libraries serve many purposes for building Dart applications. So far, you have seen many built-in functions that we have used in our many user-defined functions. For example, the dart:core libraries provide assistance for numbers, ...
