What we understand is that if a single schema is instantiated, it will only be instantiated once. To implement a single schema, we simply use a variable to identify whether the class is instantiated. If it is not instantiated, then we can instantiate it once. Otherwise, we will directly return the instantiated object.
改编自葛竞同名童话《幸运兔精灵》
只要努力不懈梦想一定会实现──。现在只需要朝著那闪耀的目标，奋不顾身地勇往直前就行了！从此，少女们“ 大家一起实现的故事”（学园偶像计划）就此展开！
等类似的消息数不胜数。
《Little Forest》是明星在拥有绿色草地和清新空气的自然中，开设孩子们能够尽情奔跑的环保托管之家的无公害纯净综艺。平时被称为“Lee Brothers”是至亲关系的两人，将通过新节目展现现实兄弟般的配合。
The next four patterns, including this pattern, are all the relationships between classes and do not involve inheritance. When learning, you should remember induction and the diagram at the beginning of this article. The observer mode is well understood, similar to email subscription and RSS subscription. When we browse some blogs or wikis, we often see RSS icons. This means that when you subscribe to the article, you will be notified in time if there are subsequent updates. In fact, in a nutshell, when an object changes, other objects that depend on the object will be notified and will change with it! Objects are a one-to-many relationship. Let's look at the diagram first:
英雄蒙冤，何日归来？秦风在乡野和民女素涵相爱，然而，素涵的孪生姐姐素冰，却是汉王帐下第一冷血杀手！这并不是偶然，因为这个局，十年前就已经布下！素冰杀死了秦风的两名兄弟，并替换素涵，秦风全然不察。他带着兄弟们，一步步的要戳穿汉王的图谋，但他并不知道的是，其实自己一直在汉王的计谋之中。
It took only 40 days for the two to meet for the first time and get married.
Weightlifting is divided into different kg categories. Qingdao children are often taller and often bid farewell to the youngest 48kg category when they reach the age of 16. This also makes Qingdao and even the whole Shandong suffer greatly in the small category compared with the south. In order to balance the strength of weightlifting in various kilograms, Liu Eryong went to Guangxi in 2009 to select talents. It took a lot of effort, but it changed the fate of Qingdao weightlifting and three Guangxi children.
Through solid interviews and detailed details, this feature article objectively restores the ups and downs and changes that Zhengtong has experienced in the past three years since its establishment, and hopes to explore the complicated reasons behind this and try to explore whether Zhengtong needs to continue to maintain its initial heart, that is, what is the significance of networking? What else can this company do with its resource endowment?
她倒也没怎么反抗，就这么被拉扯着过来，她知道命运如此，反抗也没用。
8年后，两人故地重游，景物各异，人事皆非。而阿秀的身世揭密，更是石破天惊，不由人万千感慨。刺绣事业又将两人命运相连。面对小吏、豪强、地痞、奸商对缂针绣的争夺，他们又开始了一段不平常的人生……
李思雨与男友陈一鸣相恋多年，同所有在大城市的年轻人一样，外表光鲜亮丽，职场前途无量，实际上面临事业、感情的双重困惑与压力。张芝芝和顾晓菱是李思雨的姐妹兼闺蜜，她们的三观与李思雨截然不同。张芝芝是最普通的上班族，她的人生目标是守护好自己家庭的一方小天地，但丈夫刘洋的固执与种种行为却慢慢的破坏着张芝芝最初的梦想。而外形漂亮的“女神”顾晓菱全部精力都放在解决自己婚姻大事上，却遇上雷浩文这个看起来纨绔不羁的“哥们儿”。 在人生的黄金时期，都市里打拼的他们面临着来自生活、工作的压力和抉择，朋友和家人的陪伴让他们从未放弃，他们焦虑、迷茫却从未迷失，始终对身边的人充满善意。历尽挫折，他们终于彻底醒悟，学会顺从内心，善待他人，才能拥抱最亲爱的自己，最终都成长为更好的自己。
板栗点头，命刘总管着人将秋霜哥嫂和两个秋霜都带进来。
第二，你走。
双男主妈是一个大家庭的佣人。一天太太流产了，算命的说这两孩子在一起会自相残杀云云之类的。当妈的很害怕，太太就说要不把小的（Neng饰演）给我，我保证他好吃好住。妈妈答应了，带着大的（Tre饰演）回乡下。两兄弟长大后接受命运的安排，果然相遇了，还玩得很开心。然而一个女军医（Plengkwan饰演）打破了平静。他们两个都爱上了她，开始抢女人大战！
她低头揉了揉磨出老茧的手腕，好一会，才抬起头，看着黎章轻声问道：何老将军是五月底逝去的？从那时开始，黎章就常常去看她，陪她说话。
因为在风祭流传着未确认生物的情报，以及超自然的现象之类的似真非真的传闻。瑚太朗向超自然研究会的部长，千里朱音的求助，于是展开了涉及到瑚太朗认识的学生们的调查。对于瑚太朗来说，原本只是抱着一点冒险心态而已。只要能和热闹的伙伴们一起度过的话，这样就足够了。但瑚太朗还没有注意到，他将要探求那无人知晓的“真实”。
/spoon (hug)
