What are optional named parameters Dart?

Dart’s optional parameters are optional in that the caller isn’t required to specify a value for the parameter when calling the function . Optional parameters can only be declared after any required parameters. Optional parameters can have a default value, which is used when a caller does not specify a value.7 Kas 2012

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Are parameter names optional?

Optional parameters are not mandatory . For instance, there is a method called AddNumber(int firstNumber, int secondNumber) which takes two parameters and returns the sum of two parameters. By default, it is mandatory to pass both parameter values when we call the method.10 Nis 2019

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