Dart objects have runtimeType property which returns Type . To check whether the object has a certain type, use == operator. Unlike is , it will only return true if compared to an exectly same type, which means comparing it with its super class will return false .
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.
Read moreHow do you make a Dart object?
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.
Read moreWhich operator is used for or operator?
Logical Operators are used to perform logical operations and include AND, OR, or NOT. Boolean Operators include AND, OR, XOR, or NOT and can have one of two values, true or false.
Read moreWhat is Cascade operator in Dart?
Cascade notation is syntactic sugar in Dart that allows you to make a sequence of operations on the same object . You can use the “double dot” to call functions on objects and access properties. This “operator” is simply used to make your code cleaner and concise.
Read moreWhat is double dot in flutter?
Double dots(..) It allows you to not repeat the same target if you want to call several methods on the same object . This often saves you the step of creating a temporary variable and allows you to write more fluid code.
Read moreWhat is Dart VAR?
In Dart, The var keyword is used to declare a variable . The Dart compiler automatically knows the type of data based on the assigned to the variable because Dart is an infer type language.
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