In the previous example of electric lights, a state mode program was completed. First, the Light class is defined, which is also called Context here. Then in Light's constructor, to create instance objects for each state class, Context will hold references to these state objects in order to delegate the request to the state objects. The user's request, that is, the action of clicking button, is also implemented in Context, with the following code:
从小到大都个性强烈的齐若谷（马伊琍 饰）怀揣着心中的远大理想成为了一名专门报道社会新闻的职业记者。一次外出采访时，身背重要摄影器材的若谷成为了歹徒觊觎的对象，幸运的是，恰好路过此地的男子陈剑平（贾一平 饰）无私地伸出了援手，若谷这才逃过了一劫，她和剑平之间的缘分也就此开始。
于是第一时间拉上梁元一道前来，一探究竟，最好是大事化小，尽可能小事化了。
身处两个天界贵公子中间，加上天界和魔界的斗争，单纯的锦觅注定无法如母亲所愿安度此生……
After this time the mines have come into play, The company commander also ordered us to take advantage of the gap between operations. To replace the mines that have already triggered the explosion with new ones, I was one of four people on this mission, I remember when I went down there, I saw the bodies of the dogs, I can't help but look at those who were killed by steel balls but were relatively complete. There is one place I am very strange: although they were beaten by steel balls and lay there dead with holes, they had no blood at all, but there were some green things around the bullet holes, which was disgusting to look at. "
哥哥真是守信之人啊。
解放军某部宣传处干事、高干子弟赵蒙生，一心想调回城市。自卫反击战前夕，他凭借母亲吴爽的关系，怀着曲线调动的目的，临时下放到某部九连任副指导员。忿不平，替连长买好车票，催他起程。可是，九连接到开赴前线的命令。梁三喜失去了探亲的机会，赵蒙生却接到回城的调令。全连战士哗然，梁三喜严厉斥责了赵蒙生临阵脱逃的可耻行为。舆论的压力迫使赵蒙生上了前线。吴爽不顾军情紧急，竟动用前线专用电话，要求雷军长将赵蒙生调离前线，当即遭到雷军长的谴责。 九连担任穿插任务。鏖战中，一个个战友为国捐驱，梁三喜为掩护赵蒙生而牺牲；“小北京”因臭弹未发而身亡。赵蒙生在血与火的洗礼中，经受了考验。 战后，在清理战友的遗物时，梁三喜留下的一张要家属归还620元的欠帐单，使赵蒙生震惊不已。烈士的家属纷纷来到驻地，梁三喜的母亲和玉秀用抚恤金及卖猪换来的钱，还清了三喜因家里困难向战友借的债。这一高尚的行动震撼了人们的心灵，赵蒙生和战友们含着热泪，列队向烈士的家属，举手致以最崇高的敬礼。
若弄些简单发笑的题目，众人又不屑为之。
夜晚来的很快，月牙儿已经明亮了许多，淡淡的月光洒下，白水峡一线淡淡的光亮透lù出几分不同寻常。
这些天紧张害怕外加劳累，玉米用尽了心力，等放松下来，这黑甜一觉便睡得深沉不知醒转。
随着日常的工作接触，尽管李莉对刘东毫无感觉，但刘东却已经暗暗地爱上了她。相貌英俊，性格豪爽的军分区参谋马刚来医院就诊，与李莉邂逅，两人一见钟情，相同的家庭背景让两个年轻人越走越近，很快就到了谈婚论嫁的地步。婚前旅行让两人收获了满怀的好心情，旅行照片中的甜蜜正在向他们招手。
Galactic Warrior
这次不可能了，后面还有机会。
俄罗斯电视一台最新关于叶卡捷琳娜大帝的传记电视剧，由在《情迷彼得堡》当中出演黑森公主玛利亚闻名的玛丽娜·亚历山德罗娃主演
泥鳅姑姑刘小妹板脸对泥鳅娘道：三嫂，照说我是嫁出门的闺女，不该多管娘家的事，可我实在忍不住哩。
据说若是巨鹿城破，我们楚国也不能幸免，彭城会首当其冲……有人大为担忧道：天啊。
可是时过境迁，竟然落得如此下场的，当真是让人唏嘘不已。
讲述古代时期，刘府富二代猎妖家族单传之子刘四喜（陈浩民饰）天赋异禀，任何妖或人吸了他的精气都可功力大增，却也是个花花公子哥，整日周旋在女人堆。灵灵九（穆婷婷饰）狐族最小的公主，善良可爱气质脱俗，却也是一个不折不扣的“发明家”“整蛊家”，九妹想要替母后获得刘四喜的精气，便潜入刘家，却不料两人暗生情愫，仇敌变情侣，从此，风流猎妖师与他的野蛮狐仙女友上演了一部让人啼笑皆非的仙妖追爱记。
1. Read the competition introduction and data description carefully;
