Another expression of the minimum knowledge principle is to communicate only with direct friends. As long as there is a coupling relationship between classes, it is called a friend relationship. Coupling is divided into dependency, association, aggregation, combination, etc. We call classes that appear as member variables, method parameters, and method return values direct friends. Local variables and temporary variables are not direct friends. We require unfamiliar classes not to appear in the class as local variables.
The code is not difficult to understand. The down event and the 3rd and 5th events (counting from 0) in the MyView consumption event sequence are implemented, and other events are not consumed. At the same time, for convenience of viewing, the value of X is printed out in the log. The log is as follows (the log for each event is separated by empty lines):
Defence
影片改编自詹姆斯·达什纳撰写的同名反乌托邦科幻小说三部曲的第二部。
糟糕的事情接踵而至，那名被骗的会计师温斯顿原来是当地黑手党的一个头目，当他得知自己被骗后，暴跳如雷，派人狠狠地修理了杰克。当温斯顿得知自己的500万已经被抢掠一空时，他威逼杰克设计一个骗局为他骗取500万美金。无奈之下杰克只好设计了一个骗局，一切都准备妥当时，意想不到的事发生了！
以后你想吃什么好吃的，我带你去。
In My Feelings -- Drake
黎章转头，奇怪地问道：姑娘还有何吩咐？周菡张大嘴巴，呃了半天，也没说出话来。
The design stage of subway station comprehensive pipeline lags behind the design stage of civil engineering, wind, water and other pipeline schemes, and the design of comprehensive pipeline shall be specialized in civil engineering, wind, water and other pipelines.
十八年后，方天择成为了“超能星学园”最大社团的会长，与第二大社团会长天秤座李亚当水火不容。而新转来的特招生程芝儿因为得罪了李亚当在学校受人欺负，又因与方天择纠缠不清的关系受到爱慕方天择的霍贝贝陷害。幸好遇到了狮子班的暖男万适存，他为了保护程芝儿和她一起参加了“超能之星”大赛，然而程芝儿却在这场大赛中与方天择产生了感情。失落的万适存在“超能之星”总决赛中展现出惊人的实力，用尽一切手段逼迫方天择使出双子座的超能力，然而方天择却出乎意料的用出了狮子座的超能力，这让万适存大为震惊。他故意输掉比赛，让方天择夺得荣誉顺理成章的继...
影片讲述了一名杀手Asher（朗·普尔曼 饰）在执行最后一个任务时，遇到了一个让他生活颠覆的女人（法米克·詹森 饰）。
Prototype pattern: Create new objects by copying prototypes.
昔日的广东十虎铁桥三厌倦世事争端，与女儿如花隐居小镇。恶霸毛良抢走了铁桥三的大洋，被铁桥三痛打，毛良借此在富家公子冯十二面前诬告铁桥三。十二找到铁桥三比试，惨败后拜师门下，在学艺过程中，卷入铁桥三和北派猴拳王的争斗当中，并与铁桥三的女儿如花发展成恋人。
一休本以为，寺庙的艰苦生活会令从小娇生惯养的公主产生退却之心，哪知道公主生性坚韧好强，对接踵而至的困难应对自如。明朝皇帝送给义满将军一件价值连城的宝物，却被劫富济贫的大盗红猫窃走，红猫的真实身份，是一休的好友赤太郎（李正翔 配音），赤太郎最终被新佑卫门捉拿归案。得知了赤太郎悲惨的身世，公主和一休心生同情，决定帮助赤太郎免于一死。
Another extended threshold application:
The picture shows Mr. Sun (first from the left) summarizing the contents of the symposium.
朱俐与交往多年的男友孙泉（安琥 饰）订婚在即，却惨遭“劈腿”，与孙泉陷入冷战。仁俊悉心照顾着身心俱伤的朱俐，朱俐又陪伴着仁俊寻找他失踪的女友。两人时而打闹作对，时而惺惺相惜，语言不通却心有灵犀。仁俊的温暖细腻包容着朱俐的任性娇蛮，两人虽然各自有主，却抵不住情愫暗涌。
Shooting Sword
