1. class Pizza { 2. java.util.ArrayList toppings; 3. public final void addTopping(String topping) { 4. toppings.add(topping); 5. } 6. } 7. public class PepperoniPizza extends Pizza { 8. public void addTopping(String topping) { 9. System.out.println(”Cannot add Toppings”); 10. } 11. public static void main(String[] args) { 12. Pizza pizza = new PepperoniPizza(); 13. pizza.addTopping(”Mushrooms”); 14. } 15. } What is the result?()
对于pizza盒子的案例中,改善参数是()?
Pizza,即月饼
对于pizza盒子的案例中,下列哪些不是由发明原理得到的创意呢?()
Pizza的中文意思是()
Pizza,即比萨饼,意大利式有馅烘饼