"dart class" Code Answer's
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class in dart
class class_name {
//rest of the code here:
}
dart set final variable in constructor
// You cannot mutate final variables in a constructor body,
// instead you must use a special syntax.
// Also note if you have a super() call, it must be called last.
class Point {
final num x;
final num y;
final num distanceFromOrigin;
// Special syntax
Point(this.x, this.y) :
distanceFromOrigin = sqrt(pow(x, 2) + pow(y, 2));
}
Source: stackoverflow.com
dart how to tell if an object is an instance of a class
if (emp is Person) {
// Type check
emp.firstName = 'Bob';
}
Source: dart.dev
dart class
// entry point
void main(){
// using the Dog class - creating an instance of this class
var myDog = Dog();
// assigning values to the newly clreated instance
myDog.breed = 'Poodle';
myDog.name = 'Jack';
myDog.color = 'Brown';
// displaying the values on the console
print(myDog.breed);
print(myDog.name);
print(myDog.color);
}
// Dog class
class Dog{
// class properties
String breed;
String name;
String color;
}
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