부품만 교체하고 싶을때 import java.util.ArrayList; abstract public class Pizza { String name; String dough; String sauce; ArrayList toppings = new ArrayList(); public String getName() { return name; } public void prepare() { System.out.println("Preparing " + name); } public void bake() { System.out.println("Baking " + name); } public void cut() { System.out.println("Cutting " + name); } public void box() ..
