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From March 1, 2009 in Heilongjiang, the subsidy for hygiene products for female employees was increased from 10 yuan to 20 yuan per person per month.赵文华进一步说道，你放心，我一同前往。重剑无锋，大巧不工。MDT nomenclature can depend on that disease in question.这就结束了？无论是南雀军还是靖军，都陷入死寂，张大嘴巴看向山谷中央，只见那个少年俯身捡起阿图人头，高高举起，狂吼道：杀——手臂扬起处，从人头颈项中撒落一阵血雨，在阳光下闪耀着魅力色彩。One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.I hope you and I grow up together, walk slowly, and eventually see the rainbow of your life!