public MenuComponent next() {
if (hasNext()) {
Iterator<MenuComponent> iterator = stack.peek();
MenuComponent component = iterator.next();
stack.push(component.createIterator());
return component;
} else {
return null;
}
}
public Object next() {
if (hasNext()) {
Iterator iterator = (Iterator) stack.peek();
MenuComponent component = (MenuComponent) iterator.next();
if (component instanceof Menu) {
stack.push(component.createIterator());
}
return component;
} else {
return null;
}
}
public void printVegetarianMenu() {
Iterator iterator = allMenus.createIterator();
System.out.println("\nVEGETARIAN MENU\n----");
while (iterator.hasNext()) {
MenuComponent menuComponent = (MenuComponent) iterator.next();
try {
if (menuComponent.isVegetarian()) {
menuComponent.print();
}
} catch (UnsupportedOperationException e) {
}
}
}
