One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.
好容易忙完，到吃晚饭的时候，火头军送来饭食，每人一碗苞谷饭，粗嘎嘎的，外加一个黑面窝头。
"Yes, even if you go underground, those who drill shallower can still be powerful. There is really nothing you can do about those who drill deeper. You can only stare and wait for them to come forward and come out before hitting. That is very dangerous. This is why many comrades were killed and bitten by them." Zhang Xiaobo said.
However, according to my previous example of testing loose guns, I can clearly tell you that 10 seconds of dedication + double bombardment + thorn horse, the total stack is only 11-20 layers, of which 13-16 layers are the majority. Therefore, dedication + scourge will definitely not significantly exceed this level of punishment stack.
他咽了下口水，强抑心慌，推开左边的暗门，走进一个黑暗所在。
Youmei asked Xuan Cha to find a job for his brother, but Xuan Cha calmly refused. Xuan Cha and Yeon-hee complained bitterly while drinking wine. Yeon-hee sent drunk Xuan Cha to the door and met You Mei by chance. Yeon-hee let You Mei do a good job as a good wife. Yi Shang told Yu Ying to give her a week to think about getting married. Cai Xiu met Shengmei in front of the prosecutor's office and said goodbye to her calmly. Health proposed to Qinglan in a friend's Western restaurant. Happy Qinglan immediately came to Koko. Koko proposed to hold the wedding as soon as possible. Youmei, who did not like Qinglan's move and tone, felt unhappy. Qinglan came to the training center to find her husband He to do good deeds.
一位有抱负的年轻艺术家加入了她的高中田径队，后来发现自己爱上了一个意想不到的队友，这才是真爱的感觉。
少年王一飞自幼丧父，在一次意外事件中发现自己身上的家传玉石似乎与科技巨头盘古集团的能源项目相关，并在启蒙者唐小盼的帮助下掌握了天选者的超能力，但同时也卷入了一场神秘的案件当中，开始了一段不为人知的英雄故事。
云影瞅了一会他脸色，点点头，便问道：怎么不去医馆，倒跑到家里来了？医学院内也设了医馆，每日都有大夫坐堂。
赶，赶不走。
Fiftieth fire fighting facilities maintenance and testing institutions in violation of these Provisions, in any of the following circumstances, shall be ordered to make corrections, at a fine of ten thousand yuan to thirty thousand yuan:
佟李氏很早就失去了丈夫，和女儿大香过着相依为命的生活。孤苦伶仃的母女两人进城投奔舅母孙大妈，就此结识了名为尚幼林的男子。善良的尚幼林常常帮助生活困苦的佟李氏，一来二去之间，两人之间渐渐产生了真挚的感情。
最多一次，连发十八次没有炸膛。
美丽的四川女孩何秀，为了和相恋多年的男友西康结婚，只身来到上海。在飞机上，她邂逅了名门之后简波。简波对何秀一见倾心，只可惜何秀已经名花有主。让何秀万万没有想到的是，一纸婚约成了一场僵梦，西康已另结新欢，而且对方是富家千金。何秀痛不欲生，跳楼未遂，却遭遇车祸。在她昏迷之时，是与之有过一面之缘的简波出手相助，而何秀对此事全然不知。经历情变，好强的何秀决定留在上海生活，并和邻家理发店老板娘“水桶”结成好友。在其帮助下，何秀四处找工作，却一无所获。由于沉重的心理压力，何秀罹患了“鬼剃头”，一夜之间成了光头。可没有公司愿意录取一个光头女孩，就在何秀绝望之际，她想到去简波的公司碰碰运气。令何秀意外的是，公司招聘人员误以为她是男人而被录用，于是便化名“马赫”。幸运的是，简波并没有认出“马赫”，只隐约感到眼前的 “帅小伙”很眼熟，也很亲切。然而，此刻的“马赫”已经深爱上了简波有了得力助手后，简波全身心投入到艺术创作中，而忽略了未婚妻姜然然。而此时然然却对表现优秀的马赫产生了好感，并渐渐地爱上了他。
The local people of my age pondered for a moment and said this sentence:
就吨位而言，西班牙全美洲的战舰集结，最多相当于这个舰队的一半，需要从欧洲调来战舰才能勉强打成平手，但他们显然不敢这么做。
If the card is replaced by a special small card, it should also be set on the mobile phone. Fill in CMNET at the place where the settings-General-Network-Cellular Data Network-APN, and do not fill in the others! Try it!
