For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.
October 2015
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太震撼了。
宋义举杯饮酒，兴奋道：范先生，感谢尊府给予宋某的巨大的帮助。
可是，回到过去，即使再努力，也无法改变已经发生的事。
万一汉军得到这个消息，腹中之子将更加的奇货可居。
秦大夫已经帮他诊治过了，说是歇半天就好。
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最后在众人配合默契、出生入死的情况下，战胜一个又一个困难，顺利执行了一次次危险任务。而在对于组织真相的探究中，也发现它涉及范围之广，已经打入国家政府内部。这一次，众人是否还可能扭转局面……
20,000 Yuan Xu Ruiyue's "Depth" Daphne's Floating and Sinking and Self-help Editor Xu Yue
……写到这里，程明停下了笔。
Node simplifies the problem by starting to create exports objects during a module load. If it needs to introduce other modules and has circular dependencies, it can only be partially introduced, that is, only the part defined before the circular dependencies occur can be introduced.
2. When a ship that is required to maintain its course and speed finds that the ship is approaching such that collision cannot be avoided by the action of the giving way ship alone for any reason, it shall also take the action that is most helpful to avoid collision.
既不是386时代，也不是88万元时代，但是，也有着不想被称为老一代的一女子，据说是大韩民国最多的1971年生的，45岁的成德善。1988年的德善18岁时，建国以来最大的活动“汉城奥运会”举行了，进行考查学历的1989年，柏林墙倒塌了。大学入学的1990年，MBC Radio “裴哲秀的音乐基地”开始了，对于任何人来说，我活过的时代是特别的，对于那些日子的记忆极其鲜明。发工资日，父亲买来的装有整鸡的黄颜色的袋子，往被窝深处放父亲饭碗的母亲，一家人窃窃私语的聚在一起，坐着看过的一屋三家庭，不分你我生活着的胡同邻居们都还记得。过去的记忆隐约浮现，整夜辗转反侧，成为今天生活的基础
大赛开始伯虎节节胜出，而绰号“洞里赤炼蛇”的神秘人物也无人可挡。当两人对决时，伯虎夺下“赤炼蛇”的面具，竟发现，对方就是与自己朝夕相处的祝枝山。局势逆转，伯虎被人陷害，父亲又突然遭绑票，千钧一发之际，他艺高胆大，转危为安。
