#include <iostream>
#include <string>
using namespace std;

class dog
{
private:
	double weight;

public:

	dog()
	{
		weight = 0;
	}

	//a setter method
	void setWeight(double newWeight)
	{
		if (newWeight < 0)
			weight = 0;
		else
			weight = newWeight;
	}

	//a getter method
	double getWeight()
	{
		return weight;
	}

	void feed(double food)
	{
		if( food > 0 && food < 100 )
			weight += food;
	}

	void bite(dog &victim)
	{
		weight += 10;
		victim.weight -= 10;
	}
};

int main()
{
	dog pippin;
	dog lex;

	lex.setWeight(50);
	
	//Will no compile if weight is in private
	//pippin.weight = 300;
	//pippin.weight = -300;
	
	//Can't even view weight if it's in private
	//cout << pippin.weight << endl;

	pippin.setWeight(100);

	pippin.feed(5);

	cout << "Pippin weighs: " << pippin.getWeight() << endl; //Pippin weighs: 105

	lex.bite(pippin);
	cout << "Lex weighs: " << lex.getWeight() << endl; //
	cout << "Pippin weighs: " << pippin.getWeight() << endl; //


	return 0;
}