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State mode refers to allowing an object to change its behavior when its internal state changes. The object seems to have modified its class. Divide this sentence into two parts by commas. The first part means to encapsulate the state into a separate class and delegate the request to the current state object. When the internal state of the object changes, different behavior changes will be brought about. The second part is from the customer's point of view, the object used has completely different behaviors in different states. The object seems to be instantiated from different classes, but in fact this is the effect of using delegates.About HC Branch's Buying and Selling Channel Advertising Service Website Navigation Opinions Complaints Legal Statement Help Center Friendship Link Mobile Phone Extreme Edition故事围绕李大为（张若昀 饰）、夏洁（白鹿 饰）、杨树（徐开骋 饰）、赵继伟（曹璐 饰）四个初出茅庐的见习警员展开，讲述了他们在“警情高发”的平陵市八里河派出所历经各类案件洗礼，并在老警察的言传身教下迅速成长，最终成为合格的人民警察的故事。所以这些事情全当没听见，全力帮助尹旭就是了。Notification (Advice)自有一股威严，又不大爱说笑的，黄豆兄弟几个不敢太烦他，只好霸住表哥板栗，逼他说打仗的经历。