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Explain that in the OrderPizza method, we do a lot of things, including calling the CreatePizza method to generate a desired pizza, and then doing a series of operations on the pizza. The key point is that Pizza is defined as an abstract class, which means that in the OrderPizza method we don't care what type this Pizza is at runtime, in other words, this is decoupling. The coupling between PizzaStore and Pizza is uncoupled.苏万梁是小镇工农兵照相馆的经理，发妻早逝，他与三个孩子相依为命。一天，二女儿春燕将一名叫胡美凤的外来女人带回了苏家，她来这里是为了寻找自己孩子的父亲——一个叫武建的男人。相处数日，苏万梁渐渐地被胡美凤对爱情的执着感动，同情与好感让平凡了一辈子的苏万梁做了一件让小镇人们无法理解的事，他力排众议将胡美凤留在家中。从此，家里的平衡被这个外来的女人打破，一连串的变故接踵而至。但苏万梁并未一蹶不振，在胡美凤的无私的爱与付出下，他们打破重重阻碍，重新收拾好家与生活，给子女以无私的付出，并得到了小镇和家人的理解，抵达了幸福的彼岸 。莫非是项羽和范增得知了自己的来历之后，带走了香凝和漂母想要要挟自己？正在此时，陈大娘似乎想起了什么，说道：对了，他们的口音和当年的那个县令很像。Connection conn = pool.get (0);离休赋闲的前柳城市文化局长苏伯涛和林颖一直以来过着儿孙满堂悠闲自得的日子。可是有一天，苏伯涛无意中从报纸上看到白丽云去世的新闻后，因情绪过于激动，突发心脏病住进医院。原来，苏伯涛和白丽云在20年前有一段情，这段情整整萦绕了苏伯涛和林颖夫妻俩一辈子，在这个问题上二人唯一的共同点是，他们始终瞒着自己的儿女们。　　艾伦·S·金([米纳里])加盟《奥卡菲娜是来自皇后区的诺拉》第二季，将饰演主要角色。《奥卡菲娜是皇后区的诺拉》第二季目前正在纽约拍摄，播出时间尚未确定。Depending on the profession you intend to enter, you can choose a single course, certificate certification, or diploma in a certain field, such as network or program. The best plan for learning is to weigh your strengths and weaknesses, and then purposefully find and choose schools. The second half of this series will introduce in detail how to choose IT schools.