class Dog {
	  string name
  	int age
 
 		void bark(){
			print(name + " says woof")
 		}
}

void main(){
  Dog fluffy
  fluffy.name = "Muff"
  Dog spot
  spot.name = "Spot"
  spot.age = 3
  spot.bark()
  fluffy.bark()
}

----------------------------
class Dog{
	  string name
  	int age
 
		void birthday(){
			print("happy birthday " + name)
			age = age + 1
			print(name + " is now " + age)
		}
}

void main(){
	Dog fluffy
	fluffy.name = "Spot"
	string s = fluffy.name + "y"
	print(s)
	fluffy.age = 3
	fluffy.birthday()
	fluffy.birthday()
	fluffy.birthday()
	int x = fluffy.age * 5
	print(x)
}

----------------------------
class Dog{
	string name
  int age
	double[100] fleaWeights
	Cat buddy
}

class Cat{
		string name
}

void main() {
   Dog fluffy
   fluffy.name = "Fluffy"
   fluffy.age =3
   fluffy.fleaWeights[0] = .00002
   fluffy.buddy.name = "Tabby McWhispers"
}

----------------------------
class Owl{
	string name
	int feathers
	boolean hungry
	
	void fly(){
		print(name + " is flying")
		hungry = true
	}
	
	void eat(){
		print(name + " is eating")
		hungry = false
	}
}

void main(){
	Owl henry
	Owl hooty
	henry.name = "Henry"
	hooty.name = "Hooty"
	henry.eat()
	henry.fly()
	hooty.fly()
	hooty.eat()
	henry.feathers = 2000
	hooty.feathers = henry.feathers * 2
}