用java根据提供的图片信息编写程序，要求程序包涵四个类：披萨类，培根披萨类，水果披萨类，披萨工厂类，测试类

好的，下面是Java代码实现：

披萨类：

public abstract class Pizza {
    protected String name;
    protected String dough;
    protected String sauce;
    protected List<String> toppings = new ArrayList<String>();

    public void prepare() {
        System.out.println("Preparing " + name);
        System.out.println("Tossing dough...");
        System.out.println("Adding sauce...");
        System.out.println("Adding toppings: ");
        for (String topping : toppings) {
            System.out.println("    " + topping);
        }
    }

    public void bake() {
        System.out.println("Baking " + name);
    }

    public void cut() {
        System.out.println("Cutting " + name);
    }

    public void box() {
        System.out.println("Boxing " + name);
    }

    public String getName() {
        return name;
    }
}

培根披萨类：

public class BaconPizza extends Pizza {
    public BaconPizza() {
        name = "Bacon Pizza";
        dough = "Thick crust";
        sauce = "Tomato sauce";
        toppings.add("Mozzarella cheese");
        toppings.add("Bacon");
    }
}

水果披萨类：

public class FruitPizza extends Pizza {
    public FruitPizza() {
        name = "Fruit Pizza";
        dough = "Thin crust";
        sauce = "Vanilla sauce";
        toppings.add("Mango");
        toppings.add("Kiwi");
        toppings.add("Strawberry");
    }
}

披萨工厂类：

public class PizzaFactory {
    public Pizza createPizza(String type) {
        Pizza pizza = null;

        if (type.equals("bacon")) {
            pizza = new BaconPizza();
        } else if (type.equals("fruit")) {
            pizza = new FruitPizza();
        }

        return pizza;
    }
}

测试类：

public class PizzaTest {
    public static void main(String[] args) {
        PizzaFactory factory = new PizzaFactory();

        Pizza baconPizza = factory.createPizza("bacon");
        baconPizza.prepare();
        baconPizza.bake();
        baconPizza.cut();
        baconPizza.box();

        System.out.println();

        Pizza fruitPizza = factory.createPizza("fruit");
        fruitPizza.prepare();
        fruitPizza.bake();
        fruitPizza.cut();
        fruitPizza.box();
    }
}

以上代码实现了根据提供的图片信息编写程序，包含了四个类：披萨类、培根披萨类、水果披萨类、披萨工厂类、测试类。程序实现了披萨的制作流程和不同种类披萨的制作方式。