Abstract Factory: Creates a series of interdependent objects and can change the series at runtime.
I follow the execution process of this small program: first, take exp and "\ +" as parameters, call the calculation (String, String) method in the AbstractCalculator class, call split () of the same kind in the calculation (String, String), then call the calculation (int, int) method, enter the subclass from this method, after executing return num1 + num2, return the value to the AbstractCalculator class, assign it to the result, and print it out. It just verified our initial thinking.
The banking industry has adopted a certain degree of cooperation mechanism when attacked. All information they disclose will be strictly protected and will only be shared with their internal counterparts. This collaborative approach, which combines restrictive mechanisms, enables the banking industry to perform better than most other industries in terms of safe collaboration.
Let's take a look at these four chu animals
《绝世高手之大侠卢小鱼》强档贺岁！卢小鱼跟随师父白眉修炼快到一年，年关临近，沧海桑田，山下江湖险恶已经不是卢小鱼能应付的了，于是白眉将毕生绝学倾囊相授，好让卢小鱼顺利度过险象环生的春节。
Network firewall: It is often located at the entrance or edge of the network, and is protected against the entrance of the network and serves the local LAN behind the firewall.
Grandma Lily got up and went to the cabinet, took out three gifts, slowly walked to the front of the fireplace in the living room, and put them into three socks in turn.
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[Introduction] Five articles of the "Three Rural Areas Social Practice Report" collected by 51job Kao Network are for your reference and more relevant contents. Please visit the internship report channel.
本季收视长期仅得0.5-0.7的ABC剧《谍网》，意外地获ABC预订13集的第三季。
因为，小葱跟秦淼那副模样，跟乞丐也差不远了。
卧槽，天启是怎么想到的？是啊，《寻秦记》简直叼炸天了。
每年要是不自个做一遍，总像少了啥似的。
在不久的将来，由于新当选的环境友好型挪威政府已经停止了北海所有重要的石油和天然气生产，挪威代表欧盟被俄罗斯占领
The netizen wrote in the article that the actor had sexually harassed himself with language and even assaulted the staff. Although the netizen did not disclose the actor's real name, he did disclose the capital letters of his surname. Other netizens speculated that it might be famous actor Guo Daoyuan.
家境贫寒的女大学生魏盈盈偶遇一个一直跟着她的小男孩，叫信正正。而他因为患上PTSD，虽然8岁外表，却已经17岁了。几年后，长大的信正正始终忘不掉“姐姐”魏盈盈，他找到上班的魏盈盈，开始了对小姐姐的猛烈追求。但面对双方家庭贫富差距，信家婚约等种种问题，他们能有情人终成眷属吗？
在政治方面……尹旭不由自主地想起了陈平。
葫芦并未大怒，只是双拳攥紧了棉被。
Proxy: Proxy is also a group of hosts that attackers invade and control. They run attacker programs on them and accept and run commands from the master. The proxy host is the executor of the attack and really sends the attack to the victim host.
