public class Food { protected String name; protected int price; public Food() { name = null; price = 0; } public Food(String name, int price) { this.name = name; setPrice(price); } public String toString() { return "name=" + name + ", price=" + price; } public void setPrice(int price) { if (price >= 0) this.price = price; else this.price = 0; } }