import java.util.ArrayList;

/*
 * 
 * CS161 Section 001
 */
public class Pet {

	private static int id=0; // to create unique IDs for pets
	private String name;
	private double weight;
	private int myID;

	public Pet() {
		myID = ++id;
		name = "";
		weight = 0;
	}

	public Pet(String n) {
		myID = ++id;
		name = n;
		weight = 0;
	}

	/*
	 * Not all get methods are listed. Please practice your own.
	 */
	public double getWeight() {
		return weight;
	}

	/*
	 * set method not provided for ID because that is not allowed to be changed.
	 */
	public void setWeight(double weight) {
		this.weight = weight;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String toString() {
		return "ID: = " + myID + "; Name: " + name + "; Weight: " + weight;
	}

	/*
	 * Suppose your notion of equality means that ID and name should match.
	 * Note that ID's are supposedly unique, so it should be enough to match ID's.
	 */
	public boolean equals(Object o) {
		if(o instanceof Pet) {
			if (((Pet)o).myID == myID && 
					((Pet)o).name.equals(name)) // don't use == for name
				return true;
		}
		return false;
	}

	public static void main(String[] args) {
		Pet p1 = new Pet();
		p1.setName("Nemo");
		p1.setWeight(13.5);
		//System.out.println(p1);

		Pet p2 = new Pet("Loki");
		p2.setWeight(3.7);
		//System.out.println(p2);

		Pet p3 = new Pet("Kitty");
		p3.setWeight(10.1);

		Pet p4 = new Pet("Chloe");
		p4.setWeight(5.1);

		Pet p5 = new Pet("Shadow");
		p5.setWeight(7.8);

		ArrayList<Pet> pets = new ArrayList<Pet>();
		pets.add(p1);
		pets.add(p2);
		pets.add(p3);
		pets.add(p4);
		pets.add(p5);
		System.out.println(pets);


		System.out.println();
		System.out.println("Pets weight less than 7.0 lbs...");
		//		for(int i=0; i<pets.size(); i++) {
		//			Pet p = pets.get(i);
		//			if(p.getWeight()<7.0) {
		//				System.out.println(p);
		//			}
		//		}
		for(Pet p: pets) {
			if(p.getWeight()<7.0) {
				System.out.println(p);
			}
		}



	}
}