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license: 91528

registrant: ua-mack-3

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organization-loc: 孝袨袙 "袛芯屑褨薪邪薪褌 孝械谢械泻芯屑 校泻褉邪褩薪邪"


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Java User Group of Ukraine (JUG UA)
About Us
Adopt a JSR
JavaDay Kyiv student programming contest
JavaDay 2012
GWT #038; Angular / Get Reactive with Spring 5
October 26th, 2016
randrey No comments
Dear friends, just after one month after JavaDay Kyiv conference, we are happy to announce our next JUG UA meeting
Date: November 16, 18:40 鈥 22:00
Venue: EPAM Systems, Kudryashova 14B (Cafeteria)
GWT amp; Angular: Relatives or Foes (Eugene Kotsiubynsky, Software Engineer @GlobalLogic)
#8211; What are GWT and Angular
#8211; Why these tools appeared
#8211; What do they have in common
#8211; Who rules
#8211; The future of GWT or 鈥淚s GWT dead?鈥
Get Reactive with Spring 5 (Oleh Dokuka, Software Engineer @Levi9)
5 Spring #8211; the tool that is over 13 years pleases our hearts and eyes of customers. Despite this long history of development the project continues to follow the latest trends and provides to developers the awesome set of add-ons that simplify the daily life.
During this tech-talk, I would like to discuss delicacies which were cooked by developers from Pivotal and how Reactivity reflected on the 5th iteration of the framework.
Tags: Angular, GWT, JUG, Spring 5
袗薪写褉械泄 袪芯写懈芯薪芯胁, 谢懈写械褉 JUG UA: 芦袙 Java 胁褋械谐写邪 械褋褌褜 泻褍写邪 褋褌褉械屑懈褌褜褋褟禄
October 26th, 2016
randrey No comments
效械屑 卸懈胁械褌 褋械谐芯写薪褟 褟蟹褘泻 锌褉芯谐褉邪屑屑懈褉芯胁邪薪懈褟 Java 懈 泻邪泻懈械 褌褉械薪写褘 芯锌褉械写械谢褟褞褌 锌褍褌褜 胁 锌褉芯褎械褋褋懈懈 写谢褟 褍泻褉邪懈薪褋泻芯谐芯 Java-褉邪蟹褉邪斜芯褌褔懈泻邪? 袣邪泻 胁谢懈褌褜褋褟 胁 褋芯芯斜褖械褋褌胁芯 锌褉芯谐褉邪屑屑懈褋褌芯胁 懈 褋褌邪褌褜 锌芯谢薪芯褑械薪薪褘屑 褍褔邪褋褌薪懈泻芯屑 锌褉芯褎械褋褋懈芯薪邪谢褜薪芯泄 褌褍褋芯胁泻懈? 袨斜 褝褌芯屑 褉邪褋褋泻邪蟹褘胁邪械褌 袗薪写褉械泄 袪芯写懈芯薪芯胁, 胁械写褍褖懈泄 褋锌械褑懈邪谢懈褋褌 锌芯 Java 懈 谢懈写械褉 Java User Group UA.
Read more #8230;
Tags: JUG
JUG UA meeting with Java EE experts
October 6th, 2016
randrey No comments
Dear friends, we are happy to announce our next JUG UA meeting (just before JavaDay Kyiv) with world well-known experts at Java EE platform Reza Rahman and聽Ivar Grimstad
Date: October 13, 18:40 鈥 21:00
Venue: EPAM Systems, Kudryashova 14B (Cafeteria)
Raza and Ivar will talk about:
Java EE past and future
Java EE 8 Roadmap
Q/A session
Reza Rahman #8211; former Oracle Java EE Evangelist and JCP Expert. Reza has 10+ years of experience with technology leadership, enterprise architecture, application development and consulting. Has been working with Java EE technology since its inception, developing on almost every major application platform ranging from Tomcat to JBoss, GlassFish, WebSphere and WebLogic.
He is the author of the popular book EJB 3 in Action.
Ivar Grimstad is a Java Champion and software architect focusing on Enterprise Java. Participates in the Java Community Process as a member of the Expert Groups for JSR 368 (JMS 2.1), JSR 371 (MVC 1.0), JSR 375 (Java EE Security API). He is a member of the NetBeans Dream Team. Has been working with Java since the beginning and tried out everything from lightweight mobile applications to large scale enterprise applications.
Tags: Java EE 8, Java EE Guardians, JUG
袩芯褔械屑褍 泻邪卸写褘泄 Java-褉邪蟹褉邪斜芯褌褔懈泻 写芯谢卸械薪 锌芯褋械褌懈褌褜 JavaDay Kyiv 2016?
October 5th, 2016
randrey No comments
小褉邪蟹褍 芯褌胁械褔褍 薪邪 胁芯锌褉芯褋 胁 蟹邪谐芯谢芯胁泻械: #8211; 袛谢褟 褌芯谐芯 褔褌芯斜褘 锌芯褋屑芯褌褉械褌褜 芯泻芯薪褔邪薪懈械 薪邪褕械谐芯 锌褉芯屑芯-褉芯谢懈泻邪, 泻芯褌芯褉褘泄, 褋褍写褟 锌芯 褌芯屑褍 褔褌芯 锌芯锌邪谢 胁 写邪泄写卸械褋褌 薪邪 袛袨校, 锌芯谢褍褔懈谢褋褟 胁械褋褜屑邪 胁械褋械谢褘屑 ;)
袦褘 泻邪泻 褉邪蟹 蟹邪泻芯薪褔懈谢懈 锌懈褋邪褌褜 褌械泻褋褌 写谢褟 芯斜械褖邪薪薪芯泄 泻芯薪褑芯胁泻懈.
袗 械褋谢懈 褋械褉褜械蟹薪芯, 褌芯 锌褉芯谐褉邪屑屑邪 泻芯薪褎械褉械薪褑懈懈 胁褘褉芯褋谢邪 锌芯 褋褉邪胁薪械薪懈褞 褋 锌褉芯褕谢褘屑 蟹胁械蟹写薪褘屑 谐芯写芯屑 薪械 褌芯谢褜泻芯 锌芯 泻芯谢懈褔械褋褌胁褍 写芯泻谢邪写芯胁, 薪芯 懈 锌芯 懈褏 泻邪褔械褋褌胁械薪薪芯屑褍 褍褉芯胁薪褞. 啸芯褌褜 胁 褝褌芯褌 褉邪蟹 褍 薪邪褋 懈 薪械 斜褍写械褌 写胁褍褏写薪械胁薪芯谐芯 褌褉械泻邪 芯褌 Venkat Subramaniam, 薪芯 斜褍写械褌 薪械 屑械薪械械 懈薪褌械褉械褋薪芯械 薪邪锌芯谢薪械薪懈械. 袙 褝褌芯屑 谐芯写褍 屑褘 褉械褕懈谢懈 褋写械谢邪褌褜 褍锌芯褉 胁 锌褉芯谐褉邪屑屑械 薪邪 Enterprise technologies 懈 懈褏 锌褉邪泻褌懈褔械褋泻芯屑褍 锌褉懈屑械薪械薪懈褞.
袣芯薪褌械薪褌 谐芯胁芯褉懈褌 褋邪屑 蟹邪 褋械斜褟, 褋褌芯懈褌 锌褉芯褋褌芯 斜械谐谢芯 胁蟹谐谢褟薪褍褌褜 薪邪 褌芯锌-10 褋锌懈泻械褉芯胁 JavaDay Kyiv:
Juergern Hoeller #8211; 邪胁褌芯褉 Spring Framework
St茅phane Nicoll #8211; 芯写懈薪 懈蟹 芯褋薪芯胁薪褘褏 褉邪蟹褉邪斜芯褌褔懈泻芯胁 Spring Boot
Christoph Strobl #8211; Spring Data Committer
Brendan McAdams #8211; 褉邪斜芯褌邪谢 胁 Netflix, Typesafe, 懈 MongoDB
Burr Sutter 懈 Edson Yanaga #8211; Java Champions 懈 褝泻褋锌械褉褌褘 懈蟹 Red Hat
Reza Rahman #8211; 斜褘胁褕懈泄 械胁邪薪谐械谢懈褋褌 Oracle 锌芯 Java EE
Maurice Naftalin #8211; Java Champion 懈 JavaOne Rockstar, 邪胁褌芯褉 泻薪懈谐 鈥淢astering Lambdas: Java Programming in a Multicore World鈥 懈 鈥淛ava Generics and Collections鈥
Baruch Sadogursky #8211; 锌械褉胁芯泻谢邪褋褋薪褘泄 褋锌懈泻械褉 懈 JavaOne Featured Speaker
Evgeny Borisov #8211; 锌芯褌褉褟褋邪褞褖懈泄 褌褉械薪械褉 懈 谢褍褔褕懈泄 褋锌懈泻械褉 薪邪 泻芯薪褎械褉械薪褑懈褟褏 JEEConf, Joker, JavaDay, JPoint
Mikalai Alimenkou 聽 #8211; 褌芯锌 褝泻褋锌械褉褌 锌芯 褉邪蟹褉邪斜芯褌泻械 薪邪 Java, 芯褉谐邪薪懈蟹邪褌芯褉 JEEConf 懈 XPDays
Petar Tahchiev #8211; Apache Maven developer 懈 褋芯邪胁褌芯褉 斜械褋褌械谢谢械褉邪 #8220;JUnit in Action #8221;
袩邪褉邪谢谢械谢褜薪芯 褋 写芯泻谢邪写邪屑懈 斜褍写械褌 锌褉芯褏芯写懈褌褜 褉褟写 屑邪褋褌械褉-泻谢邪褋褋芯胁 (褌.薪. Hands-On Labs #8211; HOL):
JVM Tuning Workshop (Tomasz Borek)
Down and Dirty with JMS 2 (Reza Rahman)
Journey鈥檚 End: Collection and Reduction in the Stream API (Maurice Naftalin)
Serverless: beyond containers (Antons Kranga)
袙 褝褌芯屑 谐芯写褍 薪邪屑 锌褉懈褕谢芯褋褜 褍胁械谢懈褔懈褌褜 泻芯谢懈褔械褋褌胁芯 锌邪褉邪谢谢械谢褜薪褘褏 褌褉械泻芯胁 写芯 6 胁 锌械褉胁褘泄 写械薪褜 懈 写芯 5 胁芯 胁褌芯褉芯泄, 褔褌芯斜褘 胁屑械褋褌懈褌褜 胁褋械 写芯泻谢邪写褘. 袙褋械谐芯 卸械 薪邪 屑械褉芯锌褉懈褟褌懈懈 斜褍写械褌 斜芯谢械械 50 褋锌懈泻械褉芯胁 懈 70+ 写芯泻谢邪写芯胁.
孝芯谢褜泻芯 薪邪 JavaDay Kyiv
袦褘 胁褋械谐写邪 褋褌邪褉邪械屑褋褟 褉邪蟹斜邪胁懈褌褜 褌褉邪写懈褑懈芯薪薪芯械 褌械褔械薪懈械 泻芯薪褎械褉械薪褑懈懈 褔械屑-褌芯 芯褋芯斜械薪薪褘屑. 袠 褌邪泻懈屑 芯褋芯斜械薪薪褘屑 胁 褝褌芯褌 褉邪蟹 褋褌邪薪褍褌 写胁邪 写芯泻谢邪写邪 褋 薪邪褕懈屑懈 褌褉邪写懈褑懈芯薪薪褘屑懈 褋锌懈泻械褉邪屑懈 袘邪褉褍褏芯屑 小邪写芯谐褍褉褋泻懈屑 懈 袞械薪械泄 袘芯褉懈褋芯胁褘屑.
袩械褉胁褘泄 懈蟹 写芯泻谢邪写芯胁 Spring Puzzlers 褍卸械 薪械 褉邪蟹 蟹胁褍褔邪谢 胁 袣懈械胁械, 薪芯 薪械 胁 锌褉懈褋褍褌褋褌胁懈懈 邪胁褌芯褉邪 Spring-a! 袩芯褋屑芯褌褉懈屑 薪邪 褋泻芯谢褜泻芯 锌邪蟹蟹谢芯胁 袡芯褉谐械薪 褋屑芯卸械褌 锌褉邪胁懈谢褜薪芯 芯褌胁械褌懈褌褜 ;)
袙褌芯褉芯泄 卸械 写芯泻谢邪写-芯斜褋褍卸写械薪懈械 斜褘谢 斜褘 薪械胁芯蟹屑芯卸械薪 斜械蟹 袝谐芯褉邪 袘褍谐邪械薪泻芯, 褏芯褉芯褕芯 懈蟹胁械褋褌薪芯谐芯 胁褋械屑 斜谢邪谐芯写邪褉褟 芯褋芯斜芯泄 褌褉邪泻褌芯胁泻械 锌褉懈薪褑懈锌芯胁 袨袨袩. 孝械 泻褌芯 褏芯褌褜 褉邪蟹 斜褘谢 薪邪 械谐芯 写芯泻谢邪写邪褏 懈谢懈 褋谢褍褕邪谢 谢械谐械薪写邪褉薪褘泄 锌芯写泻邪褋褌 鈥溞犘靶沸毙狙 锌芯谢械褌芯胁鈥 胁 谢褞斜芯屑 褋谢褍褔邪械 薪械 屑芯谐 芯褋褌邪褌褜褋褟 褉邪胁薪芯写褍褕薪褘屑. 孝褍褌 卸械, 泻邪泻 褝褌芯 蟹邪屑械褔邪褌械谢褜薪芯 褋褎芯褉屑褍谢懈褉芯胁邪谢 袘邪褉褍褏, 斜褍写械褌 #8220;褝锌懈褔械褋泻懈泄 褋锌芯褉 芯 褋褍褖薪芯褋褌懈 懈 锌褉邪胁懈谢褜薪芯褋褌懈 袨袨袩 胁芯芯斜褖械, 懈 胁 Java 胁 褔邪褋褌薪芯褋褌懈 #8221;, 屑械卸写褍 袝谐芯褉芯屑 懈 袞械薪械泄.
袨斜械褖邪械褌 斜褘褌褜 蟹写芯褉芯胁芯 懈 锌芯谢械蟹薪芯, 褔褌芯斜褘 芯褑械薪懈褌褜 薪邪褋泻芯谢褜泻芯 屑褘 褋邪屑懈 褏芯褉芯褕芯 锌芯薪懈屑邪械屑 袨袨袩.
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袝褖械 袣褝褉芯谢谢 谐芯胁芯褉懈谢 芯 褌芯屑, 褔褌芯 薪褍卸薪芯 斜械卸邪褌褜 褋芯 胁褋械褏 薪芯谐, 褔褌芯斜褘 褌芯谢褜泻芯 芯褋褌邪胁邪褌褜褋褟 薪邪 屑械褋褌械, 邪 褔褌芯斜褘 泻褍写邪-褌芯 锌芯锌邪褋褌褜, 薪邪写芯 斜械卸邪褌褜 泻邪泻 屑懈薪懈屑褍屑 胁写胁芯械 斜褘褋褌褉械械.
袨斜褖械薪懈械 褋 泻芯谢谢械谐邪屑懈, 褌褉械薪写芯胁褘械 褋锌懈泻械褉褘 锌褉褟屑懈泻芯屑 褋 Java One, 锌褉邪泻褌懈褔械褋泻懈械 写芯泻谢邪写褘 薪械 褌芯谢褜泻芯 写邪写褍褌 芯褌胁械褌褘 薪邪 胁芯锌褉芯褋褘 鈥溞盒拘承葱 胁褘泄写械褌 写械胁褟褌邪褟 Java鈥, 鈥溠囇傂 斜褍写械褌 褋 Java EE鈥 懈 鈥溠囇傂 写械谢邪褌褜 Java-褉邪蟹褉邪斜芯褌褔懈泻褍, 泻芯谐写邪 芯薪 薪械 蟹薪邪械褌 褔褌芯 写械谢邪褌褜*鈥, 褝褌芯 褌邪泻卸械 懈 芯褌谢懈褔薪邪褟 懈薪胁械褋褌懈褑懈褟 胁 褋胁芯械 锌褉芯褎械褋褋懈芯薪邪谢褜薪芯械 褉邪蟹胁懈褌懈械.
袙芯芯斜褖械屑 锌褉懈褏芯写懈褌械 薪邪 6-褌芯泄 JavaDay Kyiv!
*锌懈褋邪褌褜 BeanPostProcessor (褋) Evgeny Borisov鈩
Tags: JavaDay
JavaDay Kyiv talks rehearsal
October 3rd, 2016
randrey 1 comment
Dear friends, we are happy to announce our next JUG UA meeting with聽rehearsal JavaDay Kyiv talks
Date: October 8, 11:00 鈥 16:00
Venue: EPAM Systems, Kudryashova 14B (Cafeteria)
ANTLR 4, DSL development in depth (Vladimir Kozhaev)
Reinventing Design Patterns with Java 8 (Alexander Pashynskiy)
Lightning Talk: Code generation in Java (Oleksandr Radchykov)
RxJava Applied: Concise Examples where It Shines (Igor Lozynskyi)
Database versioning and migration in Java based project (Roman Uholnikov)
Tags: JavaDay, JUG
Modern view of design patterns in Java
August 27th, 2016
randrey No comments
Mikalai Alimenkou, Senior Delivery Manager@EPAM
I think every Java developer knows something about design patterns. Some of them even tried to read famous book #8220;Design Patterns: Elements of Reusable Object-Oriented Software #8221; and not fall asleep, others prefer lightweight version with beautiful girl on the cover: #8220;Head First Design Patterns #8221;. At least questions related to design patterns are common on every interview for developer position, so remaining part of developers community got some basic knowledge from articles and google. Read more 鈥
Tags: Design Patterns, Java 8
What Mr. Spock would possibly say about modern unit testing: pragmatic and emotional overview
July 15th, 2016
randrey No comments
Yaroslav Yermilov,聽Senior Software Engineer @EPAM
In this article we will try to examine current state of the automated testing concept in the Java world. As a reference, we will go through basic and advanced spock-framework features and compare them with what JUnit4/JUnit5/TestNG/Hamcrest/AssertJ/Mockito/whatever can offer instead. We will try to understand Spock philosophy and find out both pragmatic and emotional answer to the questions: should I use spock-framework in the year of 2016? how to convince my manager that #8220;yes, we should #8221;? how to convince my teammates that #8220;no, we shouldn鈥檛 #8221;?
What鈥檚 About Modern Unit Testing?
To my mind, automated testing is one of the most powerful software development concept suggested so far. Read more #8230;
Tags: JUnit, Spock, Unit testing
Java 8: 10+ features
July 11th, 2016
randrey No comments
Oleg Tsal-Tsalko,聽Lead Software Engineer @EPAM
If you are using Java 8, there is no excuse not to use all the great new language features this platform offers you. Simple switch to JRE 8 might give slight increase in performance of your application due to numerous continuous platform optimizations, however with Java 8 you can experience real boost in engineering productivity and code efficiency.
Use Stream API
Stream API 鈥 is not a data structure or a collection, it is an abstraction which allows building operations pipeline over sequence of data elements. By using Stream API, you can build a simple and logical chain of operations. A very important feature of Java 8 is that you can use internal parallelisms. For example, if you need to parallelize a particular operation, writing even the simplest code without using the parallel stream would be doomed to writing lots of code using directly ForkJoinPools, ExecutorServices, and other low level concurrency mechanisms. This used to make the process of writing a code more complicated. In addition, Stream API makes it more convenient to use functional programming in Java. Read more #8230;
Tags: Java 8, Lambda, Stream
Evgeny Borisov workshop: #8216;Welcome to Spark #8217; (10-11 June, Lviv)
April 30th, 2016
randrey No comments
This training is for Java developers who want to process Big Data in the most efficient and simple way, using the cutting edge technology 鈥 Spark
袛邪褌邪: 10-11 懈褞薪褟
袦械褋褌芯 锌褉芯胁械写械薪懈褟: 胁褍谢. 袨谢械薪懈 小褌械锌邪薪褨胁薪懈, 袥褜胁褨胁
袪械谐懈褋褌褉邪褑懈褟 懈 锌褉芯谐褉邪屑屑邪:
#8211; 袨锌懈褋邪薪懈械
孝芯褌, 褍 泻芯谐芯 胁 褉褍泻械 屑芯谢芯褌芯泻, 胁芯 胁褋褢屑 胁懈写懈褌 谐胁芯蟹写褜! 袚谢褍锌芯?
袗 褔褌芯 械褋谢懈 褝褌芯 薪械 屑芯谢芯褌芯泻, 邪 褍薪懈胁械褉褋邪谢褜薪褘泄 懈薪褋褌褉褍屑械薪褌, 泻芯褌芯褉褘泄 屑芯卸械褌 斜褘褌褜 懈 斜械薪蟹芯锌懈谢芯泄, 懈 锌褘谢械褋芯褋芯屑 懈 蟹褍斜薪芯泄 褖褢褌泻芯泄?
袙 屑懈褉械 Big Data 械褋褌褜 Hadoop 懈 褑械谢褘泄 蟹芯芯锌邪褉泻 懈薪褋褌褉褍屑械薪褌芯胁, 泻芯褌芯褉褘械 薪邪 薪械谐芯 锌邪褕褍褌 懈 泻邪卸写褘泄 蟹邪褌芯褔械薪 锌芯写芯 褔褌芯-褌芯 褋胁芯褢, 邪 械褖褢 褌邪屑 薪械写邪胁薪芯 锌芯褟胁懈谢褋褟 Spark, 泻芯褌芯褉褘泄 屑芯卸薪芯 锌褉懈屑械薪褟褌褜 写谢褟 谢褞斜褘褏 褑械谢械泄.
袝褋谢懈 胁褘 褏芯褌懈褌械 锌懈褋邪褌褜 胁 Hadoop 褋 褉邪蟹谢懈褔薪褘褏 小校袘袛, 褋褌褉懈屑懈褌褜 胁褋褟泻懈械 懈褋褌芯褔薪懈泻懈 胁 褉械邪谢褜薪芯屑 胁褉械屑械薪懈, 锌邪褉邪谢谢械谢褜薪芯 写械谢邪褌褜 褋 写邪薪薪褘屑懈 泻邪泻褍褞-薪懈斜褍写褜 褋谢芯卸薪褍褞 芯斜褉邪斜芯褌泻褍 懈 薪械 锌褉懈 锌芯屑芯褖懈 泻邪泻懈褏-褌芯 斜邪褌褔械泄, 褋泻褉懈锌褌芯胁 懈 sql 蟹邪锌褉芯褋芯胁, 邪 锌褉懈 锌芯屑芯褖懈 屑芯褖薪芯谐芯 褎褍薪泻褑懈芯薪邪谢褜薪芯谐芯 褟蟹褘泻邪 鈥 写芯斜褉芯 锌芯卸邪谢芯胁邪褌褜 胁 Spark!
Read more #8230;
Tags: Apache Spark, JavaDay
Hibernate #038; Multithreading talks at JUGUA (April 20th)
April 2nd, 2016
randrey 2 comments
Dear friends, we are happy to announce our next JUG UA meeting
Date: April 20, 19:00 鈥 23:00
Venue: EPAM Systems, Kudryashova 14B (Cafeteria)
#8211; Hibernate performance tuning (Igor Dmitriev) (video, slides)
Nowadays, almost every Enterprise application uses Hibernate and as we know, DB could be a bottleneck in the application. Furthermore incorrect uses of ORM frameworks can lead to performance problems.
In my talk, I will cover:
1. How to measure and increase performance
2. About different optimization techniques and effective practices
3. About pitfalls and bugs
4. Hibernate tuning techniques
5. How some Hibernate features work under the hood
My talk will be based on my own experience, and I #8217;ll show developers #8217; common mistakes.
This talk will be useful both for beginners and professionals alike.
#8211; Multithreading in Java past amp; present (Yevgen Polukov) (video, slides)
In this talk I鈥檇 like to give you an overview of java.util.concurrent package and represent useful Java concurrency tools. I #8217;ll cover the core functionality and the state-of-the-art API (Executors, Accumulators, StampedLock聽 etc).
In addition, I would like to show some ways of its implementation. As we know, the presentation has no worth without examples, so there will be some of them during the talk.
Tags: Concurrency, Hibernate, JUG
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JavaDay Kyiv talks rehearsal

锌褉芯谐褉邪屑屑薪芯械 芯斜械褋锌械褔械薪懈械
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肖懈蟹懈泻芯-褌械褏薪懈褔械褋泻懈泄 懈薪褋褌懈褌褍褌
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