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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.秦源对门外寒声道：带郑昊。Until his father died, Li Lei did not have a chance to talk with his father about his regrets in his life, his unfulfilled wishes and his funeral. Li Lei is not very good at expressing his heart. He should think twice before speaking. He and his father also seldom communicate, and they will not and do not understand how to cut into deeper topics at once.REDIRECT: Mapping ports locally.抗战前夕的1936年，地处南疆，紧靠东南亚，具有深远战略地位的北海老城风雨欲来，形势诡异。一夜之间，北海老城的中共地下情报站遭到毁灭性的破坏，城内大部分共产党人被国民党军统特务密杀。Your comments will promote the birth of the next article. Come and join us, guest officer, Mua Da ~ ~ ~.　　男主是个花花公子，身边少不了一些的野花，可是他爷爷不喜欢他的生活方式，就向他投出了重磅炸弹——j结婚成家，不然就把公司的政权和资产给男主的妹妹。接着男主对女主一见钟情，女主是个健身教练，长得漂亮身材也很好，很多的男学生参加了她的健身课，男主正好是健身房的老板，当然时想尽办法与她单独相处，同时女主的妈妈因摔下楼而受伤，需要花钱可是女主并没有钱，就当她有所困扰时，男主出现了，但条件与他结婚，开始女主是不同意的，后来还是点了头。 结婚后男主还是照样花心，到处采野花，整天跟别人上床。把女主冷落在家里，男主的爷爷的生日会上女主一展自己的舞技，给男主的爷爷留下了好印象，同时也受到了那些野花的讽刺和排挤。越到后来，女主就越受这些人的欺负和