class01 class & obj

class01classObj.dart

void main() {

  new Object();
  Object();
  
  Model().a;
  Model().func();
  
  Model().func2();
  Model().func3();
  
  Model m1 = Model();
  m1.func2();
  m1.func3();
  
  final m2 = Model();
}

class Object{}

class Model{
  int a = 0;
  
  void func(){}
  
  void func2(){
    this.a += 1;
  }
  
  void func3(){
    print(this.a);
  }
}