As the name implies, iterator pattern is to access objects in an aggregation sequentially. Generally speaking, it is very common in collections. If you are familiar with collection classes, it will be very easy to understand this pattern. This sentence contains two meanings: one is the object that needs to be traversed, that is, the aggregated object, and the other is the iterator object, which is used to traverse the aggregated object. Let's look at the diagram:
Through participating in the competition of the first season of "Charming China City", many unknown cities have entered the public's view and the city's economy has increased significantly. Yan'an received 50.59 million tourists in 2017, up 25.68% year-on-year. The city's comprehensive tourism income totaled 29.87 billion yuan, up 31% year-on-year. Lu'an received 45.0186 million domestic and foreign tourists in 2017, with a total tourism revenue of 35.027 billion yuan, up 25.36% and 37.12% respectively. Liangshan Prefecture received 44.192 million tourists in 2017, with tourism revenue reaching 36.108 billion yuan, up 8.28% and 19.71% respectively. During the Spring Festival Golden Week this year, 5.128 million tourists visited Liangshan, up 47% year on year. Shiyan City has embarked on a new way of poverty alleviation through tourism, which is "poverty alleviation drives rural tourism, and rural tourism promotes poverty alleviation". Up to now, the city has invested 780 million yuan in special poverty alleviation funds, 2.6 billion yuan in social funds, 1.1 billion yuan in agricultural-related funds, 56 demonstration villages for rural tourism, and more than 50,000 poor people have been lifted out of poverty and become rich under the drive of rural tourism industry.
《请你笑吧》讲述因白手起家的父亲而过得富裕卻因破产全家寄住在司机家中所展开的故事...... 《请你笑吧》是部标榜趣味欢笑和温暖安慰的家庭电视剧。剧中李奎汉饰演和富家女徐贞仁(李敏贞)订婚,卻因贞仁家的破产而遭父母反对，且因犹豫不决的个性关系而和她分手，但卻无法忘记她而不断碍徐贞仁新恋情的惹人眼的男人李汉世一角。李汉世是个贪心且嫉妒心强的人，但对徐贞仁却有着纯真的心。
爱之，惑之，刺之，夺之——
Briefly summarize how the simulator is called.
不管什么出身来历，当差距过大时，再瞧不起人家无异于掩耳盗铃、自欺欺人。
韦拔群怀着拯救百姓于水火的壮志回到故乡东兰，在银海州歃血结盟，领导农民起来打倒贪官污吏和土豪劣绅，并组建农民自卫军，三打东兰，走上了武装革命的道路。
群臣跪地磕头行礼，高呼万岁。
一天，向阳和向东因为邻居郎健的弟弟郎辉调戏美萍而与其大打出手，向阳失手将郎辉打死。心理非常脆弱的向阳面对意外情况惊慌失措，十分绝望，几乎走向自我毁灭的边缘，多亏向东及时救下了意欲自杀的向阳。美萍知道一切是由她引起的，她发誓说无论多久，都会一直等着向阳。不料，向东因为愁眉不展的父亲和为袒护哥哥，对前来调查的警察说其实把人致死的是他。美萍目瞪口呆，竟信以为真的以为是向东所为，但在心中的那份愧疚感更加深刻。可由于她爱着向阳，因此她只好和向阳的交往来弥补对赵家恩与过。父亲面对着代兄受过的向东，心如刀绞，他含着泪说："手心手背，都是父母的心头肉，伤了谁，爸爸的心里都疼。"向东获刑五年，出狱后
影片改编自阿加莎·克里斯蒂的同名小说，将故事背景搬到了现代。讲述了一起发生在火车上的谋杀案。
听他这么分派，众人既兴奋又紧张。
一进大帐就注意到项羽的心情不好。
Grenades (mines x 5)
Although some lines may not be able to use IC cards, they can directly find staff when encountering problems, and they will directly deduct money from IC cards at the window. Super convenient!
杨长帆左肩扛着一沓子长竹竿，右手提着不少粗绳，终于可以撂在地上。
在她的母亲卡曼卧病在床期间，奥菲利娅想发现她想象中真实存在的东西，于是居然真的在他们家屋后发现了一个废弃的迷宫，并且认识了这个迷宫的守护者，潘神——希腊神话中半人半羊的山林和畜牧之神（道格·琼斯饰)，有一对令人震撼的玻璃眼。
男主角李秀明因对母亲的自杀怀有内疚心理而患上精神分裂症，后被亲生父亲送入精神病院，多次转院，屡次申请出院，均被以各种原因拒绝。面对从不探望的父亲，面对医院冰冷的管理，面临同院好友圣民“自由”的诱惑，秀明最终能否走出病院？
就算在这山野中，他也依然一派儒雅。
在中国红军战斗序列中红七军是一支骁勇善战、英勇顽强的部队，是一支伴随着百色起义诞生的部队，是一支以广西少数民族为主组成的部队。从这支部队里走出了共和国的军委主席，一位大将，两位上将，四位中将，十二位少将和一大批党政高级干部。本剧将艺术地再现这支英雄部队的诞生，再现它艰苦卓绝，英勇辉煌的战斗历程，激励后人，为实现中华民族的伟大复兴而奋斗。
