操碰97免费视频公开

B) Design principles. Many people have listed seven principles, such as single duty principle, opening and closing principle, Richter substitution principle, dependence inversion principle, interface isolation principle, composite reuse principle and Dimit principle. LSP, I elevated it to one of the three cornerstones of the object-oriented paradigm; Single responsibility and interface isolation are mainly used as the principle of responsibility division in object-oriented analysis/OOA, which you can not pay much attention to at this time. Relying on the inversion principle, I throw it away as garbage, because the opening and closing principle or directly "relying on abstract type principle" already contains the essence of relying on the inversion principle, while the dross of relying on the inversion principle is inherited by IoC. Of course, the pullback, I emphasize very much. Therefore, you need to master the abstract dependency principle (OCP), one-way dependency principle (including the learning of callbacks) and the minimum dependency principle (composite reuse principle, Dimit rule).1 Replay他扶着李长明的胳膊，轻声道：爹放心，儿子听明白了。《深夜书店》讲述了一家24小时营业“深夜书店”里跨越时空的玄幻、惊悚、爱情故事：在一个风雨交加的深夜，一人度过孤独千年的书店店长老白照例给每个读者免费送上半杯“深夜牛奶”，时钟快要指向凌晨整点，老白叹了口气转身进入了地下书库。只听见头顶的书店里突然传来凄厉的哭声和惨笑……你也先跟我回去，回头自然有人问你，到时候你再详细说。Article 10 Traffic Separation System杨长帆再令一声，这才坐回圆桌前。