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.
她只经常听孙子孙女弹奏，好不好的也不知道，想必是好的。
So he will deliberately practice the variant.
好强任性的贝蕾，为了对初恋男友的一个承诺，有意考砸高考要赴澳留学。母亲高莉莉以为在澳前任男友刘玮捣鬼，坚决反对。贝蕾串通父亲贝志强悄然出国。到悉尼后，她住进白人达芙妮家，她的华人丈夫是刘玮，其实他就是贝蕾生父，可达芙妮与她都不知情。妻子怀疑，她遂以非法打工为由把贝蕾告上移民局。贝蕾遣返在即，刘玮不顾一切，替她办理移民。不料，学费又被中介骗走，贝蕾失学。母亲获知，急随旅行社去悉尼探究竟。 高莉莉、刘玮不期相见，真相大白。贝蕾不能接受刘玮，达芙妮也因与刘玮的矛盾加深，陷入离婚官司；贝家为了筹钱供女儿读书，又落入诈骗陷阱，为还债，高莉莉赴澳陪读。她通过刘玮办妥陪读手续。此举反而加深了贝蕾对母亲的误会。病入膏肓的贝志强把一贫如洗的家庭真相告诉贝蕾，贝蕾追悔莫及。 刘玮在离婚案中，为了转移财产反而导致了公司破产……
谁的故事最有意思？哪位喜剧演员能笑到最后？好戏开场了！
Action: It makes sense, then I will go to the branch and insert the express.
In those days when I helped Wang Baichuan find a house, I was so tired that I didn't have the strength to take off my clothes and went to sleep every day, but I still gritted my teeth and got things done.
2. Each receiver analyzes the request and then either processes it or passes it down.
1947年，中共苏宁特委联络员桑义州调往吴兴县委担任武装部长。没想到，几乎与他同时，县委又来了一位桑义州！县委的人虽然听说过桑义州的名字，却无人认识，一时真假难辩。这时，潜伏在敌人内部的地下党发来密电：特委被国民党军队偷袭，包括孙书记在内的所有同志都壮烈牺牲，仅侦察科长梁伟被俘。
讲述西施与范蠡相知相爱，舍小家为大家的传奇故事。
Ctrl + J: Repeat the previous command
对于这类问题，他们自小被家人考问多次，最是熟练了，如今能回答的滴水不漏，一个亲人也不得罪。
婴儿的母亲要出门，拜托人照看，没想到这下子忙坏了汤姆和杰瑞，为了避免婴儿遇险，每次婴儿爬出摇篮车，汤姆和杰瑞立刻就要想办法把他弄回去。可是每次女主人都冤枉汤姆，以为他在折腾婴儿。
Application Scenario 4: Intelligent Guidance refers to the proxy handling other things when calling real objects. For example, when calculating the number of real object references and accessing a century-old object, check whether it has been locked to ensure that other objects cannot change it. They attach some housekeeping when accessing an object through the proxy.
女主角为“御手洗阳”，职业是制鞋公司的女菁英，男主角为“石田莲”，是一名都市开发的地产公司职员，两人是大学同学，彼此之间有个赌注：“在女方29岁生日前，两人谁先结婚另外一个人就要送上30万的大红包”……两人断言彼此之间绝无发展可能，为了赢得赌注，男主角主动追求公司女后辈，女主角也和前男友重逢，故事就此展开。
It can be seen that the details are still obvious.
郑氏听了这话一怔，这是为王穷求亲了？求的是……难道是香荽？这可弄岔了。
可是谁也没有想到。
Beijing
In essence, classification is to find the common points and differences of things in our thoughts. It is the basic method and ability for us to know and understand the world. On the basis of classification, it is possible to judge and reason, and to form concepts and make decisions. Classification requires comprehensive demonstration activities such as association, analogy, reasoning and extension, and is the basic cell of thinking.
