A factory constructor invokes another constructor . … A normal constructor always returns a new instance of the class. A factory constructor is permitted to return an existing instance, an instance of a derived class, or null. (However, some people dislike returning null from a factory constructor.)
Read moreWhat is factory constructor flutter?
A factory constructor invokes another constructor . … A normal constructor always returns a new instance of the class. A factory constructor is permitted to return an existing instance, an instance of a derived class, or null. (However, some people dislike returning null from a factory constructor.)
Read moreWhat is the factory in flutter?
Save. Factory Method is referred as a creational design pattern which provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will be created . Also known as virtual constructors.
Read moreWhat is factory keyword?
Factory keyword is used when implementing constructors that do not create new instances of the existing class . A factory constructor can return value from cache or from an instance of a sub-type. Factory constructor does not have access to this keyword.29 Mar 2020
Read moreWhat language is Dart similar to?
Dart is similar to C# and Java in syntax, so it’s quick to learn.
Read moreIs Dart language easy to learn?
Dart is pretty easy to learn . It’s not just about learning the language, but also its ecosystem, the terminologies related to it, getting the proper tools and SDKs for the language, and then moving on to the popular frameworks and libraries available for that language.
Read moreIs Dart good language?
According to the project site, Dart was “designed to be easy to write development tools for, well-suited to modern app development, and capable of high-performance implementations .” When running Dart code in a web browser the code is precompiled into JavaScript using the dart2js compiler.
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