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Factory method pattern refers to defining a factory interface that creates an object. Its subclasses determine the classes to instantiate and postpone the actual creation to the subclasses. It emphasizes the change of "single object". The main points of its implementation include:Monitoring is to monitor the whole environment. The granularity here is that every log, whether it is an application log, a system log or a security log, is collected and then tuned.很想拥有越王尹旭那般非同一般的地位。Picture above first.At present, at least 19 provinces have implemented "dysmenorrhea leave", allowing female employees to rest for one or two days during special periods. However, the regulations vary from place to place. Some regulations only need to provide certificates from medical institutions, while others limit the types of work, allowing only female employees in "third-level physical labor intensity" and "long-term standing and walking work" to take "dysmenorrhea leave".Blast Injury at Position 6% (Guess +15) 80%　　在结束了快乐的初中生活后，韩梅梅和魏华、林涛等一起升上了高中，同时还有李雷。如今的李雷已是脱胎换骨，从一个不起眼的小男生变成了又高又帅的男神，还有一口英伦范的纯正英语。