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板栗并未理会他，一声不吭地径直进院去了。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.　　为谋生，无心每天都带着白琉璃在一家赌场门前摆摊算命。这一天，他又遇见了苏桃。在无心的帮助下，苏桃终于联系到了哥哥。她跟着无心搬进了贫民区狭小的里弄，和无心、白娘子（白琉璃附体的小白蛇）一起，暂时过上了欢乐温馨的小日子，一心等待哥哥归来。外貌俊美、雌雄莫辨的商会少爷小丁猫就在这个时候闯入了无心和苏桃的生活。他是上海滩大佬的义子，大佬遁走香港后，租界势力一分为二，黑道生意交给了以陈大光为首的三位元老，白道商会则成了小丁猫的天下。他有着与年龄不符的老辣，与陈大光明争暗斗、搅弄风云；而另一方面，他竟对无心和苏桃表现出了异乎寻常的兴趣。　　祝言之父亲，昔年因与今日成为高官的钱荣威结下仇怨，而遭到陷害并想霸占言之。幸亏得到新晋少将马承恩帮助，在祝父老朋友草头的帮助下，把女扮男装的言之安置在逍遥山内学习武功暂避。　　由7个独立故事组成的《对立面》，也是生与死，黑与白，亲密与疏远的实验。创作者以试图贴近赤诚的天性，直达的影像与情感中最尖锐、冲突的领域。　　如此，多次挑战大洞穴的冒险者们，