大家帮忙看看这段程序的输出结果,程序好纠结啊
class Meal { Meal() { print("Meal()"); }}class Bread { Bread() { print("Bread()"); }}class Cheese { Cheese() { print("Cheese()"); }}class Lettuce { Lettuce() { print("Lettuce()"); }}class Lunch extends Meal { Lunch() { print("Lunch()"); }}class PortableLunch extends Lunch { PortableLunch() { print("PortableLunch()");}}public class Sandwich extends PortableLunch { private Bread b = new Bread(); private Cheese c = new Cheese(); private Lettuce l = new Lettuce(); public Sandwich() { print("Sandwich()"); } public static void main(String[] args) { new Sandwich(); }}