constructor dart code example

Example 1: fluter class constructor

class Customer {
  String name;
  int age;
  String location;

  // constructor
  Customer(String name, int age, String location) {
    this.name = name;
    this.age = age;
    this.location = location;
  }
}

Example 2: dart call constructor in constructor

class Chipmunk {
  String name;
  int fame;

  Chipmunk.named(this.name, [this.fame]);

  Chipmunk.famous1() : this.named('Chip', 1000);
  factory Chipmunk.famous2() {
    var result = new Chipmunk.named('Chip');
    result.fame = 1000;
    return result;
  }
}

Example 3: Flutter Constructor

Customer(String name, int age, String location) {
  this.name = name;
  this.age = age;
  this.location = location;
}

Customer(this.name, this.age) {
  this.name = name;
  this.age = age;
}