Getter and setter methods (also known as accessors) are dangerous for the same reason that public fields are dangerous: They provide external access to implementation details . What if you need to change the accessed field’s type? You also have to change the accessor’s return type.
Read moreWhat is type casting in Dart?
A string can be cast to an integer using the int. parse() method in Dart . The method takes a string as an argument and converts it into an integer.
Read moreWhat are types in flutter?
Here is the list of built-in data types that can be used in Flutter:
Read moreWhat are types of data types?
Common data types
Read moreWhat is the difference between named and positional parameters?
A positional parameter is linked by its position. Positional parameters must be specified in the order in which they appear. Named parameters are specified by assigning values to their names . named parameters can be assigned initial values by using their names.
Read moreWhat is the difference between named and positional parameters?
A positional parameter is linked by its position. Positional parameters must be specified in the order in which they appear. Named parameters are specified by assigning values to their names . named parameters can be assigned initial values by using their names.
Read moreWhat is the colon after constructor Dart?
The part after : is called “initializer list . It is a , -separated list of expressions that can access constructor parameters and can assign to instance fields, even final instance fields. This is handy to initialize final fields with calculated values.10 May 2018
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