What is an instance value?

Instance method are methods which require an object of its class to be created before it can be called . To invoke a instance method, we have to create an Object of the class in which the method is defined.

The instance value is the parameter value for a specific mapping . You can set the instance value to a default value, a specific value, or to a mapping parameter value. A mapping parameter or a mapplet parameter can override the default value of the transformation parameter.

You can also use different getter/setter methods to initialize them.

In Dart, an object of a class can be created using new keyword followed by the class name . Below is general syntax to declare an object of a class. var objectName = new ClassName(<constructor_arguments>); Here, objectName and ClassName is replaced with actual object name and the class name respectively.

Instance Method in Dart: Unless the method is declared as static it is classified as an instance method in a class . They are allowed to access instance variables. To call the method of this class you have to first create an object.11 May 2020

Classes expose functionality on how to construct a new instance of a requested object type, functionality to expose methods and data, and functionality that encapsulates variables to track object state within its scope. Every object in Dart is an instance of a class .28 Oca 2016