My three gadgets of Java

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My three gadgets of Java Naoki Iwasawa @niwasawa

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ࢲ͸ TOEIC είΞ300 ఺Ͱ͢(´ɾωɾʆ) I am a poor English speaker.

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I will talk about my three gadgets of Java.

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ͻͱͭΊ

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The cap of Java Champions

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Here is a cap of Java Champions. The cap is given to Java Champion. ͜͜ʹ Java Champions ͱॻ͔Εͨ ๧ࢠ͕͋Γ·͢ɻ Java Champion ʹͳΔͱૹΒΕͯ͘ Δ๧ࢠͩͦ͏Ͱ͢ɻ

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What is Java Champions? Java Champions ͱ͸ Կ͔ͱ͍͏ͱ

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બ͹Εͨ Java ͷ ͍͢͝ਓͰ͢ (ʆɾωɾ´)/

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A wonderful person in Java world !!! (ʆɾωɾ´)/

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Become a Java Champion | Oracle Community https://community.oracle.com/docs/DOC-922857

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Ͳ͏ͯ͜͜͠ʹ Java Champion ๧ࢠ͕ ͋Δ͔ͱ͍͏ͱ

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೔ຊͰ࠷ॳͷ Java Champion ʹͳͬͨํ ͔Β͍͖ͨͩ·͠ ͨɻ

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I got a cap from a person who became the first Java Champion from Japan.

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9 years ago 9೥લ

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Java Edgeओ࠵ͷʮೲྋʂJavaOneใࠂձ 2009 in Nagoyaʯʹߦ͖ͬͯͨ http://niwasawa.hatenablog.jp/entry/20090713/p2

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Java Edgeओ࠵ͷʮೲྋʂJavaOneใࠂձ 2009 in Nagoyaʯʹߦ͖ͬͯͨ http://niwasawa.hatenablog.jp/entry/20090713/p2

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;ͨͭΊ

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Java Ring

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Do you know Java Ring? Java Ring Λ͝ଘ஌ Ͱ͠ΐ͏͔ʁ

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JVM͕౥ࡌ͞Εͨ ࢦྠͰ͢ Java Virtual Machine inside

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Java Ring ͸1998 ೥ʹൃද͞Ε ·ͨ͠ɻ

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Java Ring appeared 20 years ago…

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ຐ๏ͷࢦྠͳΒ͵ʮJava Ringʯ͕ొ৔ɻSun Microsystemsࣾ͸ɺ27೔·Ͱαϯϑϥϯγεί Ͱ։࠵͍ͯͨ͠JavaOneͰɺJavaνοϓΛ૊Έ ࠐΜͩࢦྠΛࢀՃऀશһʹར༻ͯ͠΋Β͍ɺ ࿩୊ΛूΊͨɻ JavaͷࢦྠͰ޷ΈͷίʔώʔΛ஫จ https://internet.watch.impress.co.jp/www/article/980330/javaring.htm

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൒ಋମϝʔΧʔDallas SemiconductorࣾͱͷڠྗͰɺࢦ ྠʹ൒ಋମνοϓΛຒΊࠐΜͩɻձٞ৔ͰҿΉίʔ ώʔͷछྨ΍ҿΈ͍ͨ࣌ؒͳͲΛొ࿥͓ͯ͘͠ͱɺ JavaͰ੍ޚ͞ΕͨࣗಈίʔώʔϝʔΧʔ͕ࢦྠͷ৘ ใΛಡΈऔͬͯر๬ͷίʔώʔΛग़ͯ͘͠ΕΔɻ JavaͷࢦྠͰ޷ΈͷίʔώʔΛ஫จ https://internet.watch.impress.co.jp/www/article/980330/javaring.htm

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ࢦྠ͸ηΩϡϦςΟʔϩοΫࣜͷυΞΛ։ ͚ΔࡍͷIDΧʔυ୅ΘΓʹ΋Ԡ༻Ͱ͖Δͱ ͍͍ɺSunͰ͸ʮ͜ΕΛώϯτʹJavaͷར༻ ྫΛߟ͑ΔࢀՃऀ͕ग़ͯ͘ΕΕ͹ʯͱͯ͠ ͍Δɻ JavaͷࢦྠͰ޷ΈͷίʔώʔΛ஫จ https://internet.watch.impress.co.jp/www/article/980330/javaring.htm

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Java Ring ʹ͸ iButton ͕ ౥ࡌ͞Ε͍ͯ·͢ɻ Java Ring includes the iButton.

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Dallas Semiconductor Corp. iButton: DS1954 Cryptographic iButton https://web.archive.org/web/19980526190816/http://www.ibutton.com:80/Crypto/1954.html

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DS1954 Cryptographic iButton https://web.archive.org/web/19980526192038/http://www.ibutton.com:80/crypto/fips140-1l2/

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Ϧν΢Ϝి஑Ͱ10 ೥ؒ͸σʔλ͕ফ ͑ͳ͍Β͍͠Ͱ͢

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Java Ring ͸20೥લͩ ͔Β͕͢͞ʹ΋͏ όοςϦʔ੾ΕͰ ͔͢Ͷɻɻɻ

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Data seems to not disappear for 10 years with lithium battery.

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Java Ring appeared 20 years ago…

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͜ͷ Java Ring ͸ Java Card 2.0 ͱ͍͏ API ͕࢖͑· ͢ɻ Java Ring uses Java Card 2.0.

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Java Card ͷ࠷৽൛͸ 3.0 Ͱ ·ͩݱ໾Έ͍ͨͰ͢ɻ΋ ͏͢ͰʹϩετςΫϊϩ δʔ͔ͱࢥͬͨΒ͘͢͝ ࢖ΘΕͯΔΈ͍ͨͰ͢Ͷɻ

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Java Card is not lost technology!

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Java Card͸ɺ1996೥ʹొ৔͠·ͨ͠ɻ౰࣌ͱ ͯ͠͸࠷ઌ୺ͷߟ͑ํʢ·ͩJava ME͕ొ৔ ͢Δલͷ͜ͱͰɺ͜Ε͕ ࠷ॳͷ௒খܕJavaϑϨʔϜϫʔΫͰͨ͠ʣ Java Magazine NOVEMBER/DECEMBER 2017 ʮJava Cardͷ֓ཁʯ http://www.oracle.com/webfolder/technetwork/jp/javamagazine/Java-ND17-JavaCard.pdf

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όʔδϣϯ3.1͸ɺ2018೥ʹ ϦϦʔε͞ΕΔ༧ఆͱͳͬ ͍ͯ·͢ɻ Java Magazine NOVEMBER/DECEMBER 2017 ʮJava Cardͷ֓ཁʯ http://www.oracle.com/webfolder/technetwork/jp/javamagazine/Java-ND17-JavaCard.pdf

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Java Magazine, Nov/Dec 2017, An Introduction to Java Card http://www.javamagazine.mozaicreader.com/NovDec2017#&pageSet=77&page=0

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ΈͬͭΊ

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Duke Optical Mouse

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2005೥11݄ɺJavaٕज़ऀͷͨΊͷΠϕϯτɺJavaOne Tokyo͕ ։࠵͞Εͨɻ ͜ͷΠϕϯτͷϑϧɾΧϯϑΝϨϯεɾύεΛߪೖ͍ͨ ͍ͩͨདྷ৔ऀͷํͷಛయϓϨθϯτͱͯ͠JavaͷϚε ίοτɺ"DukeʢσϡʔΫʣ"Λ͔ͨͲͬͨϚ΢εΛఏڙ ͨ͠ͱ͜ΖɺαϯɾϑΝϯͷؒͰେ͖ͳ࿩୊ΛݺΜͩɻ Sun & Users - "DukeϚ΢ε"ɹϝʔΩϯάɾετʔϦʔ https://web.archive.org/web/20070127232614/http://jp.sun.com/communities/users/0604/feature04.html