Factory Constructor in Dart/Flutter class Customer { String name; int age; String location; static final Customer origin = Customer(“”, 0, “”); // factory constructor factory Customer. create() { return origin; } @override String toString() { … } }16 Mar 2022
Read moreHow do you initialize a variable Dart?
In Dart, a variables must be declared before they are used. Variables are declared using the var keyword followed by variable name that you want to declare . Dart is a type inferred language, which allows compiler automatically infer(know) the type of data we want to store based on the initial value we assign.
Read moreWhat are Dart constructors?
Dart Constructors A constructor is a special function of the class that is responsible for initializing the variables of the class . Dart defines a constructor with the same name as that of the class.
Read moreWhat does get Dart mean?
Dart Class ─ Getters and Setters Getters or accessors are defined using the get keyword. Setters or mutators are defined using the set keyword. A default getter/setter is associated with every class. However, the default ones can be overridden by explicitly defining a setter/ getter.
Read moreWhat is the Dart method?
A Dart method is the collection of statements that consists of some characteristics to class object . It provides the facility to perform some operation and it can be invoked by using its name when we need in the program. Methods divide the large task into small chunks and perform the specific operation of that program.
Read moreHow many types of constructors are there in Flutter?
We can define constructor with two types of parameters: required and optional .16 Mar 2022
Read moreWhat is the use of this in Dart?
The this keyword is used to refer the current class object . It indicates the current instance of the class, methods, or constructor. It can be also used to call the current class methods or constructors. It eliminates the uncertainty between class attributes and the parameter names are the same.
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