Iterator pattern provides a way to access each element in a collection object sequentially without exposing the internal representation of the object, which can not only not expose the internal structure of the collection, but also allow external code to transparently access the internal elements of the collection. The specific structure diagram is shown below.
If the existing method needs to be improved when it is used, there are two methods at this time:
DDoS Attack and Defense: From Principle to Practice (Part I)
在生与死面前，仅剩的六名姐妹最后看了一眼深爱的大地，手挽手，拉响了手榴弹。
All her eight-year savings were thrown to her family. To be honest, she had already paid off the kindness of raising her.
在新年的飘飘雪花里，在母亲点燃的鞭炮和祝福里，王彩玲似乎感到生命的冬天也快到了头，虽然春天的温暖还找不到，但是立春了，一切就都不会远了。她到孤儿院收养了女孩小凡做女儿，在对女儿的教育和天伦之乐里，重新有了寄托不再孤单。
我们被楚军包围了……士兵们这才反应过来，原来楚军早已回师已经将他们团团围住。
《星座方程式》是国内第一部以“星座”为主题的网络季播剧，现共2季，用独立的24个小故事讲述星座主人公的爱情遭遇，并融入青春、惊悚、悬疑、奇幻、鬼魅等新鲜元素。
List of winners:
公安英雄宋名扬在卧底过程中，击毙了境外贩毒集团的头目“金少爷”。其姐化名施雨入境，开始实施对宋名扬一家的“报复计划”。宋明扬与刘子昂决定将计就计，制定了针对对手报复计划的“猎隼计划”。暂不知情的战友傅伟，秉公执法，坚持调查，提议开除宋的警籍，送宋去“强制戒毒”等，给宋名扬带来了一次次的“麻烦”。施雨的“报复计划”在贩毒集团内部也引起了矛盾，于是“尽快干掉宋名扬”成了另一势力韩森的目标，使得宋名扬身处枪口，险象环生，演绎了一场“明卧底”的生死悲歌。宋名扬大智大勇，殚精沥血，最后终于破获毒贩的“麦金通道”。
由魏大勋、辛芷蕾主演的科幻剧，讲述了张烨因一次意外被外星人当做试验品劫持到了游戏世界，通过不断在游戏世界中获取声望值完成人生逆袭。
7. Hail Britpop!
ko回家时被妈妈告知，爸爸和新老婆为了还债把房子卖了，导致她们母女俩无家可归。女主只好和妈妈搬到妈妈工作的豪宅里，在这个豪宅里遇到了一个gay里gay气的厨师好闺蜜，还有3个性格迥异帅气迷人少爷。
再言及南雀公主临去之时，放言不肯善罢甘休，哀嚎声就变成了怒吼声，数万人在老将军灵前发誓，要踏平南雀国，杀光南蛮子。
在英国最凶残的郡，DCI约翰·巴纳比（尼尔·达吉恩，莱利的生活）和DS杰米·温特（尼克·亨德里克斯，马塞拉）拍摄的四集新的英国神秘故事中，调查了一名舞厅舞手和一名房地产经纪人被杀的事件，一个以特产蜂蜜闻名的村庄发生的一系列袭击事件，以及渔民和泥泞流淌者之间的激烈冲突。
该剧主要讲述僵尸病毒已经侵袭美国三年后，一个英雄团队必须护送一名感染病毒但是活下来的墨菲前往在加州的唯一能正常运转的病毒实验室，但墨菲却隐藏了一个足以毁灭一切的黑暗秘密。
二更求粉。
几经波折，名为Bistro Fou的露天餐厅终于悄然开张，而这几个失败组的女性还将有很长的一段路要走……
Geng Funeng suggested that the legal standard of personal minimum wage should be greatly raised. "In the past, when our economy was extensive, it was low wages and high employment. I think this period of history should be over. Now it should be high wages and low employment, and then transition to the direction of high wages and high entrepreneurship." In his view, after the common people have accumulated their wealth, they will have the capital and ideas to start a business, which will gradually become a social trend of high salary and high entrepreneurship. This helps to stimulate people's enthusiasm for work and realize the accumulation of wealth among the people.
