public class McDonaldMeal {
    
    private Bacon bacon;
    
    private Chicken chicken;
    
    private CoCoCoLe coco;

    public Bacon getBacon() {
        return bacon;
    }

    public void setBacon(Bacon bacon) {
        this.bacon = bacon;
    }

    public Chicken getChicken() {
        return chicken;
    }

    public void setChicken(Chicken chicken) {
        this.chicken = chicken;
    }

    public CoCoCoLe getCoco() {
        return coco;
    }

    public void setCoco(CoCoCoLe coco) {
        this.coco = coco;
    }

    @Override
    public String toString() {
        return "McDonaldMeal [bacon=" + bacon + ", chicken=" + chicken + ", coco=" + coco + "]";
    }
    
}

class  Bacon{
    private String name;

    public Bacon(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String toString() {
        return "Bacon [name=" + name + "]";
    }
    
}

class  Chicken{
    private String name;
    
    private Integer count;

    public Chicken(String name, Integer count) {
        this.name = name;
        this.count = count;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getCount() {
        return count;
    }

    public void setCount(Integer count) {
        this.count = count;
    }

    @Override
    public String toString() {
        return "Chicken [name=" + name + ", count=" + count + "]";
    }
    
}


class  CoCoCoLe{
    private String size;
    
    private String warm;

    public CoCoCoLe(String size, String warm) {
        super();
        this.size = size;
        this.warm = warm;
    }

    public String getSize() {
        return size;
    }

    public void setSize(String size) {
        this.size = size;
    }

    public String getWarm() {
        return warm;
    }

    public void setWarm(String warm) {
        this.warm = warm;
    }

    @Override
    public String toString() {
        return "CoCoCoLe [size=" + size + ", warm=" + warm + "]";
    }
    
}

public interface MealBuilder {
    
    MealBuilder produceBacon(String name);
    MealBuilder produceChicken(String name,Integer count);
    MealBuilder produceCoCoCoLe(String size,String warm);
    McDonaldMeal build();

}

public class DiscountMealBuilder implements MealBuilder {
    McDonaldMeal meal = new McDonaldMeal();

    @Override
    public MealBuilder produceBacon(String name) {
        Bacon bacon = new Bacon(name);
        meal.setBacon(bacon);
        return this;
    }

    @Override
    public MealBuilder produceChicken(String name, Integer count) {
        Chicken chicken = new Chicken(name, count);
        meal.setChicken(chicken);
        return this;
    }

    @Override
    public MealBuilder produceCoCoCoLe(String size, String warm) {
        CoCoCoLe coco = new CoCoCoLe(size, warm);
        meal.setCoco(coco);
        return this;
    }

    @Override
    public McDonaldMeal build() {
        return meal;
    }
    
}

public class BuilderDemo01 {
    
    public static void main(String[] args) {

        MealBuilder builder = new DiscountMealBuilder();
        McDonaldMeal meal = builder.produceBacon("A").produceChicken("A", 2).build();
        System.out.println(meal.toString());
        meal = builder.produceBacon("A").produceChicken("B", 5).produceCoCoCoLe("C", "A").build();
        System.out.println(meal.toString());
    }

}