Пожалуйста прокоментируйте работу данных строчок кода

[Macc_cot]

public class ChangeProduct {
 
    public static Product getSelected(int item){
        for (Product p : Product.values()) {
            if (p.getNumber() == item) {
                return p;
            }
        }
        return null;
    }
}

public enum Product {
    TWIX(1,40, "Twix"),
    BOUNTY(2, 30, "Bounty"),
    SNICKERS(3,50, "Snickers"),
    WATER(4, 10, "Water"),
    JUICE(5, 60, "Juice");
 
 
    private int number;
    private int price;
    private String name;
 
    Product(int number, int price, String name) {
        this.number = number;
        this.price = price;
        this.name = name;
    }
 
    public int getNumber() {
        return number;
    }
 
    public int getPrice() {
        return this.price;
    }
 
    public String getName() {
        return this.name;
    }
}