Finally, a Light.prototype.setState method is provided, through which the state object can switch the state of the light object. The switching rules of states are well defined in each state class in advance. No more conditional branch statements related to state switching can be found in Context:
That is to say, the less a class knows about the classes it depends on, the better. In other words, no matter how complex the dependent class is, the logic should be encapsulated inside the method and provided to the outside through the public method. In this way, when the dependent class changes, it can minimize the impact on the class.
阿呆和阿瓜是一对非常要好的朋友，他们觉得凭借自己的力量可以修理一切，他们的生活也充满了欢乐：把需要接线的割草机改成太阳能无线自动型、为了抓老鼠在花园里到处打洞、把滚筒洗衣机改造成斗牛机、为电动小火车制作风力发电机、为了轻松搬运图书把地毯变成自动传送带······在每一次的改造中，结果并非总是成功，但是呆瓜兄弟两个找到了自己动手的无限乐趣，也收获了无限自信和挑战的勇气。
由万合天宜最新出品的网络自制剧《大侠黄飞鸿》公布最新概念海报，画面中黄飞鸿赤裸上身背对镜头美感十足，引发网友热议。
高中时代的潘河振是个独立干练并受到同学喜欢的男生，但是身为孤儿的他因为大学资助的事，倾其所能讨好学校理事长的儿子明成，并答应他羞辱同校高二的女棒球选手吴丹熙的事。河振如愿让丹熙爱上了自己，但明成的恶作剧让原本以为得到美丽初恋的丹熙深受打击，潘河振也最终没能如愿得到资助上自己喜欢的大学。
郑氏看着白果笑问道：你叫白果？几岁了？白果添了饭菜，递给香荽，一边高兴地答道：嗳。
乾阳殿，一派歌舞升平，宫娥们如穿花蝴蝶，进进出出，呈上各种果品、琼浆玉液及美味佳肴。
要知道许姑娘手握文王八卦而生，三月能言，少而聪慧，相面预言及其准备，星象之学的见地也非比寻常。
To give an example that may not be heard, the destruction shot has enough time to shoot out, enough time for the predator to fire 3 arrows in succession. . . Since the damage and performance are not as comprehensive as those of single predators, why do you want to destroy this skill?
(five) the amount of illegal is huge;
A5.1. 2.2 External nose and nasal cavity.
所以她美丽。
From her position, it can also be shown that her IQ is average. She has worked for eight years, but she is still an ordinary employee. The supervisor has not mixed up. Obviously, the office is greasy.
Momay是一个在网上杂志上撰写热门短篇小说的年轻女作家，看起来像25岁般，实际上她是2000岁的不老女人。在这漫长岁月间，因她被诅咒而不老不死。她曾不断想要尝试死去，但都未能成功。有一天，有人告诉她，只有找到真爱，她才可以回归生老病死的循环。为了寻找真爱，Momay与四个潜在的真爱男子开始发展关系，找出她命中的真命天子。
Since the outbreak of the debt crisis at HNA, the reporter learned a number of exclusive information about HNA's real estate, aviation and internal structure changes through in-depth interviews, and published several articles that had a great impact on HNA, reflecting the breakthrough ability of the interface in reporting major commercial events.
去港市武警支队协助深圳警方调查一个文物走私案，在一次行动中扑了空，队长袁可为觉得此案另有蹊跷。市局宣传处警员周马为调动到刑警队的事找到袁可为，却得知其女友刑警队重案队警员冯薇已经很多天没有上班了，周马找到冯薇，得知她想要辞职去上海做生意。周马正式调到刑警队任职，被派遣到刑警犯罪心理学研究室，一心想搞刑侦的周马百般不快，但随即他得知犯罪心理学研究室的刘宝生在参与一个敲诈案的侦破，一名敲诈犯在对本市最……
这是一个关于成长的故事，麦麦和猫在一起的大多数时间使得麦麦的生活逐渐脱离社会，在好朋友欣宝的帮助下，麦麦去了欣宝的公司工作，从此麦麦开始了不一样的人生。她和欣宝的关系从吵架变得形影不离，她认识了外冷内热的公司主管、睿智的咖啡店老板、玩世不恭的房东小海哥……这些人都有着各自的故事， 而这些故事又都与猫有关。
