Each object has its corresponding state, and each state corresponds to some corresponding behaviors. If an object has multiple states, there will be many behaviors. Then the judgment of these states and the behavior completed according to the states will lead to multiple conditional statements, and if a new state is added, the existing code needs to be changed. This kind of design obviously violates the principle of opening and closing, and the state mode is used to solve such problems.
Be cautious in the end and pursue the far.
方块熊和蛋蛋猪去葫芦岛度假游玩，竟然碰到了生活在岛上的葫芦七兄弟，不料葫芦兄弟的死对头蛇精和蝎子精也出现在了岛上，他们还想方设法带走了蛋蛋猪和七娃。葫芦兄弟还会遇到别的什么危险呢？他们是否能成功打败妖怪救回兄弟和朋友呢？
Death Ping Attack is a typical example of a mode that exploits vulnerabilities in TCP/IP protocol.
张琴、徐丽华、秦雯、周雪菲是非常要好的四姐妹，她们经常聚在一起谈理想、谈事业、谈生活，谁家有了点什么事，其他人都会鼎力相助。婚姻到底是什么？古往今来，无数智者从各个角度给出过各种答案，有人说婚姻是缘分，有人说婚姻是责任，也有人说婚姻是围城……可是生活在一起难免磕磕碰碰,而如今的世界又充满诱惑，身处婚姻中的人啊，是否真的敢确定自己始终能忠诚于婚姻，忠诚于家庭呢？无论与否，天长地久的爱情并不多见，而从一而终的婚姻却比比皆是，这其中一定包含了双方最大的爱与宽容。这里将是一面婚姻生活的镜子，家庭成员有着各自的小幸福和不安，也许您也能“照到自己的影子”，为了幸福婚姻，我们一同省视。
但是现在呢，南方的土地是都是属于自己的，那么这个界限该怎么划分呢？或者广武议和越国是否也该参加？韩信是否也应该列席？思考没有结果的时候。
故事讲述了研究生梁致远（胡军饰），走出大学校门走进工作单位后，面对官场是非的茫然和苦闷。他满怀理想意气风发，在复杂的人际关系面前却举步维坚屡屡碰壁。在单位同事的撮合下，他认识了漂亮能干、八面玲珑的许小曼。许小曼也看中了梁志远身上的正直与善良，两人彼此深深地爱上了对方。而在勾心斗角、尔虞我诈的官场中，处处书生气十足的梁志远，听不进许小曼的“指导意见”，两人逐渐产生隔阂，最终与真爱擦肩而过。而经过消沉、饱受生活的打击之后，梁志远终于振作起来接受了游戏规则，从而得到了提拔重用。
关于葫芦的亲事，郑家几个长辈反复思量后，觉得既然小葱不成，跟葫芦相配的还真只有他表妹刘蝉儿了。
这时候，郑氏出面喝住百姓，正色对庞夫人道：我相信庞家绝非不明是非，否则上次郑家跟胡家冲突，庞家就应该出面了。
虽然妙子怎么也不加“赞♡”，在APP中也是“无法选择”的，但在自称APP达人的遥斗的教导下，她终于与条件好的男人·长谷川诚（杉野遥亮饰）相匹配。
A variety of schemes, the specific implementation can refer to the above introduction.
一个个无法解释的迷团，一桩桩诡异离奇的案件，为你准备了惊悚、悬疑、艳情的历险考验。想不想做算无遗策的金田一？还是要跟着卫斯理去探险？——由冷傲如冰的陈家俊、能预知灾祸的原子玲，技术超群的卓四风组成的“冒险三人组”（ML调查组），将一个个充满奇异的怪案抽丝剥茧，带你走进、>、、、、等一系列诡异惊险的奇幻旅程。有没有勇气接受我们为你准备的惊悚、悬疑、艳情、凄婉的历险考验大餐？CF中的迷幻特警，目前在山东一区，具有较强的意识和精准的射击本领，是山东一区众多高手中的佼佼者。
僵尸危机爆发，一对姐妹和两个年轻人上了一条船，希望借此逃生，但末日灾难下，奇葩的人也总能制造各种笑料...
2008年，NBC电视台推出最新恐怖短片剧集《恐怖之源（Fear Itself）》，标题来自前美国总统富兰克林•罗斯福的名言，“我们唯一应恐惧的是恐惧本身（The only thing we have to fear is fear itself）”。该剧集由“恐怖大师”系列的创始人米克•加利斯操刀，延请当时最具盛名的恐怖片导演和制作团队参与，其中包括斯图尔特•戈登（《猛鬼传奇》）、布拉德•安德森（《机械师》）、约翰•兰迪斯（《美国狼人在伦敦》）、罗伯•施密特（《致命弯道》）等享誉海外的重要人物，共同执导了13部风格各异、但均具有一定水准和尖叫指数的恐怖作品。
厅堂里。
黄豆笑嘻嘻问周菡道：周姐姐，原来你说你爹跟张叔叔是拜把子的兄弟，是骗我们的。
都听到啦。
Once silly asked others many times, What is the difference between love and love, I still don't know what the difference is between the two feelings, The older you get, The more reluctant you are to think about these things, Always saying, Don't worry about finding a boyfriend, I am still young, When you meet someone you like a little, I will also find myself various reasons why I don't want to have a boyfriend, In fact, running away is not because you don't want to have it, But for fear of losing, The most inexplicable thing in this world is feelings. Although you can't see or touch it, But it can move your mind, One move, One state will make you think a lot, But you can't remember, There is no way to explain it, The most terrible thing is that you can't restrain yourself. Repeatedly pondering the news that seems to have something to do with you, but is actually your affectionate, you can only watch yourself get stuck in mud in fear and trembling, and tell yourself at the same time that he is not so good. Gradually, you have become a contradictory and tangled body, in a dilemma, and do not know what attitude you should take to face it.
为了使家族资产合法化，麦克通过在梵蒂冈教廷的关系网，准备投资“屹立”集团，却遭到敌人的暗中阻挠，教皇的去世也让事情更加扑朔迷离。
I follow the execution process of this small program: first, take exp and "\ +" as parameters, call the calculation (String, String) method in the AbstractCalculator class, call split () of the same kind in the calculation (String, String), then call the calculation (int, int) method, enter the subclass from this method, after executing return num1 + num2, return the value to the AbstractCalculator class, assign it to the result, and print it out. It just verified our initial thinking.
