Is to create a factory class to create instances of some classes that implement the same interface. First, look at the following diagram:
从囚犯一跃成为王侯，这对汪滶来说自然是难以想象的。
The day after the experience, Mary got up and went to buy two clothes. For a long time after her illness, her wardrobe was all "black". She only wore black clothes, black trousers and black shoes, but that day in the shopping mall, she chose herself two skirts, one pure white and one color.
聚焦新中国成立前后毛泽东同志的故事，从黄河川口开始记录追述，滹沱河畔，“赶考”路上，香山脚下，天安门前，沿着一代伟人的足迹，我们见证了共和国诞生的峥嵘岁月。
Invoker is the caller (commander), Receiver is the caller (soldier), MyCommand is the command, which implements the Command interface, holds the receiving object, and looks at the implementation code:
666666666666
忙道：是我们自己要下去的。
Now there is a rule in the INPUT chain that rejects all messages from the 192.168. 1.146 host. If we configure another rule after this rule, the latter rule stipulates that all messages from the 192.168. 1.146 host will be accepted, then will iptables accept messages from the 146 host? Let's try it.
月下继续码字了。
因此今天说出来的时候，嬴诗曼不由得有些惊讶了。
该剧讲述在大型律师事务所工作的干练律师剑持丽子(绫濑遥 饰)，得知前男友荣治去世的消息后，收到了他留下的奇怪遗言“我要把全部财产让与杀死我的犯人”，因而与委托人共同谋取巨额遗产。
讲述了幼年好友关沫璃与梁靖安失联十几年后重遇，在梁靖安知情而关沫璃不知情的情况下，兼职男模梁靖安疯狂追求情伤未复的关沫璃，最终相爱，收获美满幸福的故事。
System.out.println ("the sourceable interface's second Sub2! ");
/rude
黎章轻笑道：收拾他也够了。
Scarcity mentality will seriously affect cognitive judgment ability, and a sharp decline in cognitive judgment ability will lead to shortsightedness. In other words, a person will become stupid if he is poor.
"Yes, even if you go underground, those who drill shallower can still be powerful. There is really nothing you can do about those who drill deeper. You can only stare and wait for them to come forward and come out before hitting. That is very dangerous. This is why many comrades were killed and bitten by them." Zhang Xiaobo said.
还有，你很闲吗？要想在演员这条道路上走远，就要静下心来，多琢磨琢磨演技。
