[Dart] Class - Cascade

void main() {
  Student kim = new Student('kim', 15);
  kim.sayName();
  kim.sayAge();
  
  new Student('lee', 20)
    ..sayName()
    ..sayAge();

}

// 학생
class Student {
  String name;
  int age;
  
  Student(this.name, this.age);

  void sayName() {
    print('my name is ${this.name}');
  }
  void sayAge() {
    print('my age is ${this.age}');
  }
}

--------------------------------------------[result]

my name is kim
my age is 15
my name is lee
my age is 20