Replace this line with your code. <img src="//codecademy-discourse.s3.amazonaws.com/original/4X/3/6/8/368801888a32e082f19a967396d18970813b10af.png" width="690" height="387">
Do you see, in the example, how we made a new Car?
Car myFastCar = new Car(2007);
Follow that pattern when making your new Dog.
Have a look at the documentation
In the main, type new Dog instead of age. Worked for me.