The observer mode defines a one-to-many dependency relationship, allowing multiple observer objects to monitor a certain topic object at the same time. When the state of this topic object changes, all observer objects will be notified so that they can automatically update their behaviors. The specific structure diagram is as follows:
Iterator patterns are created for collection objects, For collection objects, It must involve the addition and deletion of collection elements, and certainly supports the operation of traversing collection elements. If the traversal operation is also placed in the collection object at this time, the collection object will bear too many responsibilities. At this time, the responsibilities can be separated and the traversal of the collection can be placed in another object, which is the iterator object.
天启写出的小说部部都是精品，开创新武侠时代的《白发魔女传》、第一部红遍互联网的网络小说《第一次亲密接触》，开启重生流的《重生传说》，这些小说无不证明天启是一个开创型作家。
影片的大概剧情是：哈特饰演的会计师在高中时代曾是学校的体育明星，他热心张罗高中同学聚会，于是在Facebook上联系到了老同学（道恩·强森饰演），他没想到这个在高中时常受欺负的老同学现在已经是CIA的职业杀手，而他也万万没想到自己将被卷入制止军事秘密泄露的任务中。
子房啊，寡人对不起你啊。
生母与养母之间争夺孩子抚养权的故事，一幕幕感人肺腑
Overlay Method:
Introduction: Eyes have become love, which is a good expression of love.
/grovel (party)
《如果是她的话》是讲述整形外科医生韩江宇 (金载沅饰)，和进行了换脸整形手术的池恩寒 (南相美饰) 的悬疑爱情剧，以及变脸后连记忆都消失了的女主，在回忆中找寻自己时所引发的甜蜜杀戮悬疑爱情故事。预计接档《Secret Mother》7月播出。
Nandashan Town is one of the top 100 towns in Hunan. After the merger of villages and towns, under the construction of the new town party Committee and government and 90,000 Nantah people, they are now more colorful and dazzling. The Party Committee and Government of Nandashan Town have resolutely implemented the relevant instructions of their superiors and, in combination with the reality of Nantah, have made brilliant achievements in all aspects of their solid work in implementing the scientific concept of development and building a new socialist countryside. The whole town has sustained the sustained and stable growth of the national economy, with the total output value of industry and agriculture reaching 8. 5%. 0.7 billion yuan. There are 714 industries and enterprises in the town, and 18 investment promotion and capital introduction projects have invested 26 million yuan in fixed assets. Nandashan Town pays attention to the adjustment of agricultural industrial structure, vigorously promotes practical agricultural science and technology, vigorously plants trees, builds a southern poplar brand, and continuously develops animal husbandry. It has become one of the three herbivore demonstration villages and towns in the province. Nantah is also the well-known "hometown of Chinese snakehead" turtle, yellow food, pearls and other development momentum is very strong. Urban construction and education have also achieved gratifying results.
Such as XX version!
弗朗西丝卡·古德是一位成功的纽约银行家，在联邦调查局冻结了她的所有资产后，她从一个老板变成了一夜之间破产，而她被错误地指责为不道德的银行行为。她被迫放弃了自己辛苦挣来的奢侈生活方式，搬回了自己卑微的家，与她独特的搞笑的南方家庭在一起，她认为她抛弃了这个家庭，留在了乔治亚州的一个小镇上。然而，在这里，她将重新发现她的自我价值、旧爱和家庭的真正意义。
可笑的此人当初曾甘愿受胯下之辱，简直是个夯货。
The half-time break in other basketball matches is ten minutes.
好在小苞谷年幼，只要听明白了，也不讲究文法逻辑。
两千人马立即跟上，当中围着南雀国王等一干俘虏约一百人，旌旗招展、剑戟林立，蓬勃军威与凛冽寒风相抗，气势振奋人心。
在医院的内科担任护士工作的村田久美子（菜菜绪 饰），对一位年长的病人・五十岚德治非常头痛。由于会有夹带细菌的危险性，医院内是禁止将盆栽植物带入病房内的，然而五十岚却坚持要把一盆黑竹放在病房内，在久美子的劝说下，五十岚终于同意让久美子暂为保管黑竹，然而就在五十岚自言自语著黑竹很寂寞希望把它还回来时，五十岚却去世了。久美子也觉得这黑竹有些奇怪的感觉。五十岚去世后，久美子悄悄把黑竹带回自家照顾。某天晚上，家中没有养猫的久美子，却在睡觉时听到猫的叫声･･･
1. Restrict information disclosure
