Product Class

public class Product implements Comparable<Product> {
    private String name;
    private double price;
    public Product(String name, double price) {
        this.name = name;
        this.price = price;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public double getPrice() {
        return price;
    }
    public void setPrice(double price) {
        this.price = price;
    }
    @Override
    public int compareTo(Product prod) {
        if (this.price > prod.getPrice()) {
            return 1;
        }
        else if (this.price < prod.getPrice()) {
            return -1;
        }
        return 0;
    }
}