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lastfry · 3 months

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Understanding Serialization in Java: A Comprehensive Guide

Serialization in Java is a fundamental concept that allows objects to be converted into a byte stream, enabling them to be easily stored, transmitted, or reconstructed later. This mechanism plays a crucial role in various scenarios such as network communication, persistence of object state, and distributed computing. In this article, we'll explore what serialization is, how it works in Java, its advantages, and some best practices to follow.

What is Serialization?

Serialization is the process of converting an object into a stream of bytes, which can then be stored in a file or sent over a network. This serialized form contains the object's data along with information about its type and structure. Deserialization is the reverse process where the byte stream is converted back into an object. Java provides built-in mechanisms for both serialization and deserialization through the java.io.Serializable interface.

How Serialization Works in Java

To enable serialization for a class in Java, it must implement the Serializable interface. This interface acts as a marker, indicating to the Java runtime that instances of the class can be serialized. Here's a basic example:

javaCopy code

import java.io.Serializable; class MyClass implements Serializable { // class members and methods }

Once a class implements Serializable, instances of that class can be serialized and deserialized using Java's serialization API. The core classes involved in serialization are ObjectOutputStream for writing objects to a byte stream and ObjectInputStream for reading objects from a byte stream.

javaCopy code

import java.io.*; public class SerializationExample { public static void main(String[] args) { try { // Serialization MyClass obj = new MyClass(); FileOutputStream fileOut = new FileOutputStream("object.ser"); ObjectOutputStream out = new ObjectOutputStream(fileOut); out.writeObject(obj); out.close(); fileOut.close(); // Deserialization FileInputStream fileIn = new FileInputStream("object.ser"); ObjectInputStream in = new ObjectInputStream(fileIn); MyClass newObj = (MyClass) in.readObject(); in.close(); fileIn.close(); } catch (IOException | ClassNotFoundException e) { e.printStackTrace(); } } }

Advantages of Serialization

Persistence: Serialized objects can be stored in files or databases, allowing data to persist beyond the lifetime of the Java application.

Interoperability: Serialized objects can be easily transmitted over a network and reconstructed by applications written in different languages or running on different platforms.

Object Cloning: Serialization can be used to create deep copies of objects by serializing them and then deserializing the byte stream.

Best Practices for Serialization

Versioning: When serializing classes, it's important to consider versioning to maintain compatibility between different versions of the class. This can be achieved by defining a serialVersionUID field or using externalizable interfaces.

Security: Be cautious when serializing sensitive data. Implement proper security measures such as encryption or using custom serialization mechanisms if necessary.

Transient Fields: Fields marked as transient are not serialized, which can be useful for excluding sensitive or unnecessary data from the serialized form.

Externalization: For more control over the serialization process, consider implementing the Externalizable interface instead of Serializable. This allows you to define custom serialization logic for your class.

Conclusion

Serialization is a powerful mechanism in Java that allows objects to be converted into byte streams for storage, transmission, or other purposes. By implementing the Serializable interface and using Java's built-in serialization API, developers can easily serialize and deserialize objects. Understanding the principles of serialization, its advantages, and best practices is essential for building robust and efficient Java applications.

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#techtalk #innovationworld #exploredreamdiscover #CreativeMinds #DigitalWorld

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katsuben-movie · 4 years

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※12/24（火）更新※メディア露出情報（ラジオ）

本作の出演キャスト及び監督が、以下メディアにて出演致します。このご機会に是非お聞きください。

■12月26日（木）11：00～　

TOKYO FM「坂本美雨のディアフレンズ」（周防監督）

https://www.tfm.co.jp/dear/

■12月27日（金）8：30～　生出演

NHK-R「すっぴん！」（周防監督）

https://www4.nhk.or.jp/suppin/

―――――――――――――――――――――――――――――――――――

■12月1日（日）16：00～　

ニッポン放送「笑福亭鶴瓶　日曜日のそれ」（周防正行監督）

https://www.1242.com/tsurube/

■12月3日（火）6：40～　生出演

NHKラジオ「三宅民夫のマイあさ！」（周防正行監督）

https://www4.nhk.or.jp/my-asa/

■12月4日（水）11：30～　生出演

ニッポン放送「高田文夫のラジオビバリー昼ズ」（周防正行監督）

https://www.1242.com/takada/

■12月7日（土）5：00～　コメント

NHK-R「NHKマイあさラジオ」＜緒川たまきのシネマ指定席＞（周防正行監督）

http://www.nhk.or.jp/radio/magazine/detail/r-asa20181110.html

■12月7日（土）22：00～　

TOKYO FM「ドリームハート」（周防正行監督）

https://www.tfm.co.jp/dreamheart/

■12月8日（日）12：15～　

NHK-FM「トーキングウィズ松尾堂」（周防正行監督）

https://www4.nhk.or.jp/matsuodo/

■12月8日（日）19：30～　

TBS-R「竹中直人～月夜の蟹～」（周防正行監督）

https://www.tbsradio.jp/tukiyo/

■12月8日（日）深夜1：00～　

J-WAVE「DIALOGUE RADIO　IN THE DARK」（周防正行監督）

https://www.j-wave.co.jp/original/dialogue/index.html

■12月9日（月）～12月13日（金）6：43～　

ニッポン放送「あさナビ」（周防正行監督）

https://www.1242.com/asanav/

■12月11日（水）8：30～　

TBS-R「伊集院光とらじおと」（周防正行監督）

https://www.tbsradio.jp/ij/

■12月12日（木）9：00～　

NACK5「Smile Summit」（成田凌さん　クイズ企画）

http://www.fm795.com/pc/blog/1603/

■12月13日（金）9：00～　

文化放送「くにまるジャパン極」（周防正行監督）

http://www.joqr.co.jp/kiwami/

■12月13日（金）11：30～　

J-WAVE「ALL GOOD FRIDAY」（黒島結菜さん）

https://www.j-wave.co.jp/original/goodfriday/

■12月13日（金）20：00～　

J-WAVE「INNOVATION WORLD」（周防正行監督）

https://www.j-wave.co.jp/original/innovationworld/

■12月14日（土）6：00～　

J-WAVE「POP OF THE WORLD」（成田凌さん　コメント）

https://www.j-wave.co.jp/original/popworld/

■12月14日（土）22：00～　

TOKYO FM「ドリームハート」（周防正行監督）

https://www.tfm.co.jp/dreamheart/

■12月15日（日）19：30～　

TBS-R「竹中直人～月夜の蟹～」（周防正行監督）

https://www.tbsradio.jp/tukiyo/

■12月16日（月）9：00～　

NACK5「Smile　Summit」（成田凌さん）

http://www.fm795.com/pc/blog/1603/

■12月18日（水）9：00～　生出演

ラジオ日本「Hello! I, Radio」（周防監督）

http://www.jorf.co.jp/?program=h

■12月18日（水）13：00～　生出演

J-WAVE「GOOD NEIGHBORS」（周防監督）

https://www.j-wave.co.jp/original/neighbors/

■12月19日（木）13：00～　生出演

TBSラジオ「たまむすび」（井上真央さん）

https://www.tbsradio.jp/tama954/

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ia-project · 5 years

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【9/6(金)21:15～21:30】J-WAVE「INNOVATION WORLD」に、IAプロデューサーとして弊社代表村山久美子がラジオ出演！

9/6(金)21:15～21:30、J-WAVE「INNOVATION WORLD」に、IAプロデューサーとして弊社代表村山久美子がラジオ出演します！ https://www.j-wave.co.jp/original/innovationworld/ J-WAVEが主催するイノフェス2019のライブステージ(9/29＠六本木ヒルズアリーナ)にIAが出演決定したことを受けて、IAの紹介や今回のステージ演出についてなどをトークします。 IA本人もコメント出演予定！ぜひ、チェックしてみてくださいね！

#NEWS #IA

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mikumanogi-blog · 2 years

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2021-01-26 “Clang!” Hayakawa Seira blog [ENG]

Everyone, hello!

I’m 21-year-old Hayakawa Seira from Osaka. It’s a pleasure to make your acquaintance☺︎

How are you??

Recently it’s become even colder.

I’ve been wearing such warm clothes recently that when I’m in the dressing room I’m just sweating. Grrrr…..

Every year I feel like January and February are the longest months. I wonder if it’s because I don’t handle the cold very well??

I can’t wait for the days where the warm breeze comes back and I can feel the warmth of the sun ^ ^

Well then!

Yesterday did you watch Nogizaka Star Tanjou! Second season?

The guest on yesterday’s episode was the same person who takes care of me on NHK radio’s ‘Radirer! Sunday!, Shingo Fujimori from Oriental Radio!

It was a very, very fun recording session, and it went by in the blink of an eye ^ ^

I hope that he’ll join us again

Please watch again next week=(^.^)=

Speaking of Radirer! Sunday, last weekend’s sudden MC was only Jungle Pocket’s Saito Shinji-san, but we were still able to have fun on the program even though it was just the two of us.

All you ‘oniis’ out there, did you listen??

This time, as always, thank you for all your emails! Thank you for all the posts with the hashtag #Seiraganbare. Thanks to you all I was able to do my best ^ ^

Saito-san was very kind, and we were able to move quickly along with the program thanks to Saito-san’s reassuring personality.

I need to work even harder.

On this day, the 4th generation members, Tsutsui Ayame-chan and Kaki Haruka-chan also made an appearance and since we’re all really close they supported me and helped me through it!

Please look after me on the next broadcast as well (*^^*)

https://www.nhk.or.jp/radio/ondemand/detail.html

↑for those that missed the previous episode you can listen to it again here!

Next,

On Friday of last week I was the host of ‘Nogiobi’! Thank you very much to everyone that showed up to hang out with me. It was such a fun time and it went by in the blink of an eye ^ ^

Tonight I’ll be appearing with Kaki-chan’s on ‘Nekojita SHOWROOM’! Please come hang out with us again!

☀︎☀︎☀︎☀︎Announcements☀︎☀︎☀︎☀︎

☀︎Nogizaka46 hour TV Monday, February 21st from 19:00 until Wednesday February 23rd until 17:00 (Planned)

Nogizaka46 hour TV will be streamed on the YouTube channel ‘Nogizaka Streaming Now’! Please look forward to it ^ ^

https://www.youtube.com/c/nogizakahaishinchu

↑”Nogizaka Streaming Now’ link here

-TV-

☀︎Nogizaka Star Tanjou! 2nd season. Nippon TV every Monday at 25:29.

It’s a tv show where the 4th generation members are challenged to sing hit songs from the Showa and Heisei era. The second season will not only have the 4th generation members sing hit songs, with the senior members also appearing I want to do my best.

To everyone that missed it and to everyone that wants to watch it again you can watch it along with the deleted scenes on Hulu ^ ^

https://www.ntv.co.jp/nogistar/

↑details can be found here.

-Radio-

☀︎INNOVATION WORLD (KYOCERA TECHNOLOGY COLLEGE) J-Wave, Every week on Fridays around 21:45.

The lecturer for January will be the famous game creator behind games like the ‘Metal Gear’ series and the Playstation 4 game ‘DEATH STRANDING’ as well as the representative of Kojima Production, Hideo Kojima. The theme of the lecture will be ‘How to make games with tone’.

http://radiko.jp/share/?t=20220114200000&sid=FMJ

↑previous broadcast.

The next online lecture has been decided!

The speaker will be Mizuno Manbu, the person that designed Kumamoto’s ‘Kumamon’, NTT Docomo’s ‘iD’ Nakagawa Masashichi and a mass of other various area of brand design. He is also is the representative of good design company.

Applications for the lecture will be open until Friday the 28th of January at 22:00, for those that are interested please sign up, let’s take the lecture together!

The recording is planned for Tuesday the 1st of February between 20:00-21:30, please apply.

https://www.j-wave.co.jp/original/innovationworld/entry/

↑apply here.

☀︎Radirer! Sunday NHK Radio 1 Every second week on Sundays 20:05

This week I won’t be appearing but, this will be Hoshino Minami’s last appearance. Please make sure to listen!

It’ll be a fun time.

As always, thank you for all your emails. I’ll be waiting for them this time as well!

https://www.nhk.or.jp/radirer/

↑you can send them here

-Magazine-

☀︎Ray

On sale Tuesday February 22nd.

Kanagawa Saya-chan, Tamura Mayu-chan and I will be appearing. Please look after us. When I can post a picture I’ll post them ^ ^

!!!!The Unreliable Q&A!!!!

· Up until now what do you think is the game you have been addicted to the most!

→ New Super Mario Brothers!

I would borrow it from my older brother ^ ^

· What’s a Drama that you’ve been watching recently??

→I recently finished watching ‘Shizukanara Umi’. I was in constant suspense! Right now I’m watching ‘Umimachi cha cha cha’ ^ ^

Unreliable

· Seira-san what Nogizaka graduation song gives you the most feels

→Sayonara no Imi is definitely the best

· Yamaken-san is what kind of person?

→They’re a warm and reliable person! Mizuki-san is a cute, kind and sparkling person ^ ^

· When you can’t relax what do you recommend

→Sleeping, eating, going to get a massage, and sleeping!

Unrelaible

· If you could have any kind of qualifications what kind of qualifications do you want to try and get?

→I want a driver’s license…Grrr…

Unreliable

As always, thank you for all the comments ^ ^

Thank you for all your opinions on the meet and greet, replies to my Mobame, questions and other opinions ^ ^ It always makes me feel happy reading them! Please continue to wait for more content from me ♪

Please make sure to take care of your health! I’m also going to do the same.

Thank you for reading until the very end.

See you soon

2022.1.26 Serra

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gotosuguru · 7 years

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明日、5月12日、金曜日、22時より、J-Wave 81.3FM Innovation Worldに出演します。 I will be at the radio show, "Innovation World" J-Wave 81.3 FM at 10:00 PM tomorrow (May 12). http://www.j-wave.co.jp/original/innovationworld/

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m-sebas · 6 years

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増田セバスチャン出演・掲載情報

6/24(日) J-WAVE「ACROSS THE SKY」ナビゲーター：玄理さん https://www.j-wave.co.jp/blog/news/2018/06/624.html 6/29(金) 22:00-22:54 J-WAVE「INNOVATION WORLD」ナビゲーター：川田十夢さん https://www.j-wave.co.jp/original/innovationworld/

7/2(月) 10:25-11:30 日本テレビ「PON!」ゲストコーナー http://www.ntv.co.jp/pon/ 7/8(日) 18:00-18:54 J-WAVE 「UR LIFESTYLE COLLEGE」ナビゲーター：吉岡里帆さん https://www.j-wave.co.jp/original/lscollege/

#news

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d90329 · 6 years

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今日から３月❗️ 昨日のパンフ AIをテーマにしたイベント良かったよー #jwave #AI #INNOVATIONWORLD #Tommy #IBM #Watson #duoMUSICEXCHANGE

#duomusicexchange #innovationworld #watson #tommy #jwave #ibm #ai

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verbal-official · 8 years

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2016.5.14(SAT) INNOVATION WORLD FESTA 2016 @ TSUKUBA UNIVERSITY / IBARAKI

VERBALがナビゲーターを務めるラジオ番組

「INNOVATION WORLD」

J-WAVE

筑波大学

の強力タッグによるテクノロジーと音楽の融合イベント！

日本を代表するイノベーター、アーティスト、ベンチャー企業がつくばに集結します！

詳しくはコチラ!!

#innovationworld #festa #2016 #tsukuba #verbal #schedule

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mikumanogi-blog · 2 years

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2021-01-18 ”Tiger Tiger” Hayakawa Seira blog [ENG]

Everyone, hello!

I’m 21-year-old Hayakawa Seira from Osaka. It’s a pleasure to make your acquaintance☺︎

Recently the cold day have really been continuing haven’t they〜

It also seems that there are a lot of areas that have received a lot of snow, so please make sure to take care of your self in this cold.

Well then, the other day, on Sunday, was our first online meet and greet of this year!

Thank you so much to everyone that came.

I’m so glad that I was able to meet so many fans again!

This year, once again, I’m hoping to be close to each and every one of my fans ^ ^

This time I wore,

1st time slot: a pastel green knit

2nd time slot: a blue knit sweater and a ponytail

3rd time slot: a flower patterned knit, and glasses

4th time slot: green knit and twin tails

5th time slot: tiger colored knit one piece dress, and a bun

Image: Rawr

Did you recognize the tiger colors?

I wonder which one you liked the most??

Please let me know.

Recently I’ve been have a lot of days off and my body still hasn’t gotten used to being back at work. Grrr…..

Little by little I need to get back to my previous condition〜

It was also the coming of age day ceremony the other day. Congratulations to everyone that participated this year ^ ^

It made me remember about my participation last year. Last year there were a lot of postponements and cancelations and so I was wondering if everything went smoothly this year for everyone??

I’m glad that the 8 members of Nogizaka46 that participated this year didn’t have any problems.

I hoping that you all had fun on this once in a life time day.

The picture from last year ^ ^

☀︎☀︎☀︎☀︎Announcements☀︎☀︎☀︎☀︎

-TV-

☀︎Yoru Baguette Nippon Television, Friday January 21st 25:59

They will show comments! Please check it out ^ ^

https://www.ntv.co.jp/yoru-baguette/

☀︎Nogizaka Star Tanjou! 2nd season. Nippon TV every Monday at 25:29.

To everyone that missed it and to everyone that wants to watch it again you can watch it along with the deleted scenes on Hulu ^ ^

https://www.ntv.co.jp/nogistar/

↑details can be found here.

-Radio-

☀︎INNOVATION WORLD (KYOCERA TECHNOLOGY COLLEGE) J-Wave, Every week on Fridays around 21:45.

http://radiko.jp/share/?t=20220114200000&sid=FMJ

↑previous broadcast.

The next online lecture has been decided!

Applications for the lecture will be open until Friday the 28th of January at 22:00, for those that are interested please sign up, let’s take the lecture together!

The recording is planed for Tuesday the 1st of February between 20:00-21:30, please apply.

https://www.j-wave.co.jp/original/innovationworld/entry/

↑apply here.

☀︎Radirer! Sunday NHK Radio 1 Every second week on Sundays 20:05

I’ll appearing next week together with Tsutsui Ayame-chan, and Kaki Haruka-chan. I hope that we all have a fun time☺︎ As always, thank you for all your emails. I’ll be waiting for them this time as well!

https://www.nhk.or.jp/radirer/

↑you can send them here

!!!! The Unreliable Q&A!!!!

· Serra, how bad are your eyes?

→when I wear glasses my eyes become smaller. Grrr….

Unreliable

· There are many types of teas in Japan, what’s your favorite one??

→Herb tea and rose hip are my favorites!

Unreliable

· What drama have you been watching recently?

→Come Come everybody ^ ^ Yasuko-chan and Morui-chan are my favorite characters.

Unreliable

· Are you good at cleaning?

→I love cleaning! When I moved, I couldn’t find the stick for my cleaning wiper and it was harder to use. It was sad.

Unreliable

· Did you eat Osechi on New years?

→I had a serving of my mom’s osechi like the one for the movie ‘Obachan no ie’ it was very delicious ^ ^

Unreliable

· Serra, do you think you have become a little more stylish recently?

→At the end of last year I went out to eat yakiniku! It was delicious ^ ^

Unreliable

The end!

It’s been a little while since my New Years blog and this one, but thank you for all t he comments! There are always a lot of people in the comments that mention when they’re going to a online meet and greet, and it makes me very happy.

I hope that you continue to talk to me from here on. Please look after me this year ^ ^

Happy Serra

Rena sent this to me ☺︎

Thank you for reading until the very end.

See you soon

2022.1.18 Serra

https://blog.nogizaka46.com/seira.hayakawa/2022/01/065061.php

0 notes

katsuben-movie · 4 years

Text

※12/16（月）更新※メディア露出情報（ラジオ）

本作の出演キャスト及び監督が、以下メディアにて出演致します。このご機会に是非お聞きください。

■12月16日（月）9：00～　

NACK5「Smile　Summit」（成田凌さん）

http://www.fm795.com/pc/blog/1603/

■12月18日（水）9：00～　生出演

ラジオ日本「Hello! I, Radio」（周防監督）

http://www.jorf.co.jp/?program=h

■12月18日（水）13：00～　生出演

J-WAVE「GOOD NEIGHBORS」（周防監督）

https://www.j-wave.co.jp/original/neighbors/

■12月19日（木）13：00～　生出演

TBSラジオ「たまむすび」（井上真央さん）

https://www.tbsradio.jp/tama954/

――――――――――――――――――――――――――――――――――――

■12月1日（日）16：00～　

ニッポン放送「笑福亭鶴瓶　日曜日のそれ」（周防正行監督）

https://www.1242.com/tsurube/

■12月3日（火）6：40～　生出演

NHKラジオ「三宅民夫のマイあさ！」（周防正行監督）

https://www4.nhk.or.jp/my-asa/

■12月4日（水）11：30～　生出演

ニッポン放送「高田文夫のラジオビバリー昼ズ」（周防正行監督）

https://www.1242.com/takada/

■12月7日（土）5：00～　コメント

NHK-R「NHKマイあさラジオ」＜緒川たまきのシネマ指定席＞（周防正行監督）

http://www.nhk.or.jp/radio/magazine/detail/r-asa20181110.html

■12月7日（土）22：00～　

TOKYO FM「ドリームハート」（周防正行監督）

https://www.tfm.co.jp/dreamheart/

■12月8日（日）12：15～　

NHK-FM「トーキングウィズ松尾堂」（周防正行監督）

https://www4.nhk.or.jp/matsuodo/

■12月8日（日）19：30～　

TBS-R「竹中直人～月夜の蟹～」（周防正行監督）

https://www.tbsradio.jp/tukiyo/

■12月8日（日）深夜1：00～　

J-WAVE「DIALOGUE RADIO　IN THE DARK」（周防正行監督）

https://www.j-wave.co.jp/original/dialogue/index.html

■12月9日（月）～12月13日（金）6：43～　

ニッポン放送「あさナビ」（周防正行監督）

https://www.1242.com/asanav/

■12月11日（水）8：30～　

TBS-R「伊集院光とらじおと」（周防正行監督）

https://www.tbsradio.jp/ij/

■12月12日（木）9：00～　

NACK5「Smile Summit」（成田凌さん　クイズ企画）

http://www.fm795.com/pc/blog/1603/

■12月13日（金）9：00～　

文化放送「くにまるジャパン極」（周防正行監督）

http://www.joqr.co.jp/kiwami/

■12月13日（金）11：30～　

J-WAVE「ALL GOOD FRIDAY」（黒島結菜さん）

https://www.j-wave.co.jp/original/goodfriday/

■12月13日（金）20：00～　

J-WAVE「INNOVATION WORLD」（周防正行監督）

https://www.j-wave.co.jp/original/innovationworld/

■12月14日（土）6：00～　

J-WAVE「POP OF THE WORLD」（成田凌さん　コメント）

https://www.j-wave.co.jp/original/popworld/

■12月14日（土）22：00～　

TOKYO FM「ドリームハート」（周防正行監督）

https://www.tfm.co.jp/dreamheart/

■12月15日（日）19：30～　

TBS-R「竹中直人～月夜の蟹～」（周防正行監督）

https://www.tbsradio.jp/tukiyo/

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