Spring Bootã«ããAPIããã¯ã¨ã³ãæ§ç¯å®è·µã¬ã¤ã 第2ç ä½å人ãã®éçºè ããInfoQã®ããããã¯ãPractical Guide to Building an API Back End with Spring BootããããSpring Bootã使ã£ãREST APIæ§ç¯ã®åºç¤ãå¦ãã ããã®æ¬ã§ã¯ãåºçæã«æ°ãããªãªã¼ã¹ããããã¼ã¸ã§ã³ã§ãã Spring Boot 2 ã使ç¨ãã¦ãããããããSpring Boot3ãæè¿ãªãªã¼ã¹ãããéè¦ãªå¤...
ã¯ããã« ããã«ã¡ã¯ï¼10 æããæ ªå¼ä¼ç¤¾ãã°ã©ã¹ã§ã¨ã³ã¸ãã¢ããã£ã¦ãã¾ããKyosuke ã§ãï¼ ãã°ã©ã¹ã§ã¯ãã¨ã¯ã»ã«ãã¡ã¤ã«ãããã°ã©ã ããæä½ããå¦çãä¸é¨åå¨ãã¦ãããApache POIã¨ããã©ã¤ãã©ãªã使ç¨ãã¦ãã¾ããï¼ä»¥å¾POIã¨å¼ã³ã¾ãï¼ ããããPOI ã«ã¯å¦çæ¹å¼ã«ãã£ã¦ã¯ã¡ã¢ãªãå¤éã«ä½¿ç¨ãã¦ãã¾ãã¨ããåé¡ãããã¾ãã ä»åã¯ãã®å¯¾å¿ã¨ãã¦ãã¾ãã¨ã¯ã»ã«ãã¡ã¤ã«ã®èªã¿è¾¼ã¿ãFastExcelã¨ããã©ã¤ãã©ãªã«ç½®ãæãã話ãæ¯ãè¿ã£ã¦ããã¾ãã TL;DR POIã®XSSFWorkbookã¯ããã¡ã¤ã«ãã¡ã¢ãªå ã«èªã¿è¾¼ãã§æä½ããããã大ããªã¨ã¯ã»ã«ãã¡ã¤ã«ãå¦çããéã«ãã¡ã¤ã«ãµã¤ãºä»¥ä¸ã®ã¡ã¢ãªãå¿ è¦ã¨ãããã¨ããã POI ã®å ¬å¼ããã¥ã¡ã³ããã FastExcelã¯ãPOIããæ©è½ã¯å£ã代ããã«ãèªã¿æ¸ãã¨ãã«ããã©ã¼ãã³ã¹ã¯å¤§å¹ ã«ä¸åã æ¸ã込㿠Fast
ï¼»éå ±ï¼½å¤ãJavaã.NETã®ã³ã¼ããææ°ã®Javaã«AIãèªåå¤æãããAmazon Q Code TransformationããAWSãçºè¡¨ãAWS re:Invent 2023 Amazon Web Servicesï¼AWSï¼ã¯ãã©ã¹ãã¬ã¹ã§éå¬ä¸ã®ã¤ãã³ããAWS re:Invent 2023ãã®åºèª¿è¬æ¼ã§ãçæAIãç¨ãã¦å¤æ§ãªAIãµã¼ãã¹ãæä¾ãããAmazon Qããçºè¡¨ãAmazon Qã®æ©è½ã®ä¸é¨ã¨ãã¦ãå¤ãJavaã.NETã®ã³ã¼ããææ°ã®Javaã.NET対å¿ã«èªåå¤æãããAmazon Q Code Transformationããåããã¦çºè¡¨ãã¾ããã åèï¼ï¼»éå ±ï¼½AWSãCopilot対æã¨ãªããAmazon Qãçºè¡¨ãçæAIã«ããã·ã¹ãã éçºæ¯æ´ãæ¥åæ¯æ´ãªã©ãå¤æ§ãªAIãµã¼ãã¹ãæä¾ãAWS re:Invent 2023 Amazon Q Code
Red Hat ã®ã½ãªã¥ã¼ã·ã§ã³ã¢ã¼ããã¯ãã®ç¬æ¸ã§ãã ãã®è¨äºã¯Red Hat Developerã®ããã°è¨äºãWhat's new for developers in JDK 21 | Red Hat Developer ãã許å¯ãããã¦ç¿»è¨³ãããã®ã§ãã Javaéçºè ã«ã¨ã£ã¦ã¨ããµã¤ãã£ã³ã°ãªæ å ±ã¨ãã¦ãä»å¹´ 9 æ 19 æ¥ã« JDK 21 ããªãªã¼ã¹ããã¾ããã ãã®ãªãªã¼ã¹ã«ã¯ãä»®æ³ã¹ã¬ãã(Virtual Thread)ãã¬ã³ã¼ããã¿ã¼ã³(Record Patterns)ãé åºä»ã³ã¬ã¯ã·ã§ã³(Sequenced Collections)ãªã©ãJavaã®ã¨ã³ã·ã¹ãã ã«å©çãããããå¤ãã®æ°æ©è½ãå«ã¾ãã¦ãã¾ããJDK 21 ã®ãã¬ãã¥ã¼ã«ã¯ãæååãã³ãã¬ã¼ã(String Templates)ãã¹ã³ã¼ãä»å¤(Scoped Values)ãæ§é å並åå¦ç(Structure
ãJava 20ãæ£å¼ãªãªã¼ã¹ãã¹ã¬ããéã§å ±æã§ããScoped Valuesãè¤æ°ã¹ã¬ããå¦çãã¾ã¨ããStructured Concurrencyãªã©æ°æ©è½ ãªã©ã¯ã«ã¯Javaã®ææ°ãã¼ã¸ã§ã³ãJava 20ãæ£å¼çã®ãªãªã¼ã¹ãçºè¡¨ãã¾ããã Java 20 is now available! #Java20 #JDK20 #OpenJDK Download Now: https://t.co/6hZhod56WB Release notes: https://t.co/3eTwYKn1Cw API Javadoc: https://t.co/QUNgT4ol6Y Features: https://t.co/enLcqDmBQX Inside Java on JDK20: https://t.co/WIzDOeTgZl pic.twitter.com/7ahbOPF4LQ â Ja
Spring Bootã«ããAPIããã¯ã¨ã³ãæ§ç¯å®è·µã¬ã¤ã 第2ç ä½å人ãã®éçºè ããInfoQã®ããããã¯ãPractical Guide to Building an API Back End with Spring BootããããSpring Bootã使ã£ãREST APIæ§ç¯ã®åºç¤ãå¦ãã ããã®æ¬ã§ã¯ãåºçæã«æ°ãããªãªã¼ã¹ããããã¼ã¸ã§ã³ã§ãã Spring Boot 2 ã使ç¨ãã¦ãããããããSpring Boot3ãæè¿ãªãªã¼ã¹ãããéè¦ãªå¤...
åæ(æ稿æ¥ï¼2022/05/11)ã¸ã®ãªã³ã¯ JEP 425 "Virtual Threads (Preview)"ããJDK 19対象ã®Proposed to TargetããTargetedã«ææ ¼ãããProject Loomã®åä¸ã«ãããã®JEPã§ã¯ãä»®æ³ã¹ã¬ãããå°å ¥ãããããã«ãã£ã¦å®ç¾ããã軽éã¹ã¬ããã¯ãã¹ã«ã¼ãããã®é«ãJavaãã©ãããã©ã¼ã 並åã¢ããªã±ã¼ã·ã§ã³ã®è¨è¿°ãç¶æãç£è¦ã«å¿ è¦ãªå´åãå¤§å¹ ã«è»½æ¸ãããã®ã§ãç¾æç¹ã§ã¯ãã¬ãã¥ã¼æ©è½ã§ããã Javaã¯ãã¡ã¤ã³ã¹ããªã¼ã ã®ããã°ã©ãã³ã°è¨èªã§ã¯åãã¦ã並åããã°ã©ãã³ã°åä½ã¨ãã¦ã¹ã¬ãããè¨èªã®ã³ã¢æ©è½ã«åãå ¥ãããå¾æ¥ã®Javaã¹ã¬ãã(java.lang.Threadã®ã¤ã³ã¹ã¿ã³ã¹)ã¯ããªãã¬ã¼ãã£ã³ã°ã·ã¹ãã (OS)ã¹ã¬ãã(ãããããã©ãããã©ã¼ã ã¹ã¬ãã)ã®1対1ã®ã©ããã§ãããä¸æ¹ã®ä»®æ³ã¹ã¬ããã¯ãOS
åæ(æ稿æ¥ï¼2022/03/22)ã¸ã®ãªã³ã¯ Oracleã¯ãJavaããã°ã©ãã³ã°è¨èªã¨ä»®æ³ãã·ã³ã®ãã¼ã¸ã§ã³18ããªãªã¼ã¹ããããã®æçµæ©è½ã»ããã®9ã¤ã®JEPã¯æ¬¡ã®ã¨ããã§ããã JEP 400: UTF-8ï¼ããã©ã«ãï¼ JEP 408: Simple Web Server JEP 413: Java APIããã¥ã¡ã³ãã«ã³ã¼ãã¹ãããã JEP 416: ã¡ã½ãããã³ãã«ã使ã£ãCore Reflectionã®åå®è£ JEP 417: Vector APIï¼ç¬¬3ã¤ã³ãã¥ãã¼ã¿ï¼ JEP 418: ã¤ã³ã¿ã¼ãããã¢ãã¬ã¹è§£æ±ºSPI JEP 419: å¤é¨é¢æ°ã»ã¡ã¢ãªAPIï¼ç¬¬2ã¤ã³ãã¥ãã¼ã¿ï¼ JEP 420: switchã®ãã¿ã¼ã³ãããã³ã°ï¼ç¬¬2ãã¬ãã¥ã¼ï¼ JEP 421: åé¤ã«åãããã¡ã¤ãã©ã¤ãºã®éæ¨å¥¨ Java 18ã®æ©è½ãµã¤ã¯ã«ã§ã¯ã以åã®ãªãªã¼ã¹ãããæ©è½ããã
Java 15 ã§ãã¬ãã¥ã¼ãããJava 17 ã§æ£å¼ã«è¿½å ããã Sealed Classes ã¯ãç¶æ¿ã«é¢ããã«ã¼ã«ãé©ç¨ããæ°ããæ段ã§ãããã¼ã¯ã¼ã sealed ãã¯ã©ã¹ã¾ãã¯ã¤ã³ã¿ã¼ãã§ã¼ã¹ã®å®ç¾©ã«è¿½å ããã¨ããããæ¡å¼µ (extend) ã¾ãã¯å®è£ (implement) ãããã¨ãã§ããã¯ã©ã¹ã®ãªã¹ãã追å ããã¾ãããã¨ãã°ã次ã®ããã«å®ç¾©ãããã¯ã©ã¹ãä½æããå ´å: public abstract sealed class Color permits Red, Blue, Yellow ãã®å ´åãRedãBlue 㨠Yellow ã®ã¯ã©ã¹ã ããæ¡å¼µã§ãã¾ããäºåã«å®ç¾©ããããã®ä»¥å¤ã¯ã³ã³ãã¤ã«ã«å¤±æãã¾ãã ãã¼ã¯ã¼ã permits ãå®å ¨ã«çç¥ãã¦ããã¹ã¦ã®ã·ã¼ã«ãã¯ã©ã¹å®ç¾©ãã¯ã©ã¹èªä½ã¨åããã¡ã¤ã«ã«æ¬¡ã®ããã«ä¿æãããã¨ãã§ãã¾ã: public abstra
2021å¹´12æ10æ¥ãJavaãã¼ã¹ã®ãã°åºåã©ã¤ãã©ãªãApache Log4jãã®2.xç³»ãã¼ã¸ã§ã³ï¼ä»¥éã¯Log4j2ã¨è¨è¼ï¼ã§ç¢ºèªãããæ·±å»ãªèå¼±æ§ãä¿®æ£ãããã¼ã¸ã§ã³ãå ¬éããã¾ãããã»ãã¥ãªãã£é¢ä¿çµç¹ã§ã¯éå»è©±é¡ã«ãªã£ãHeartbleedãShellshockã¨åã¬ãã«ã®èå¼±æ§ã¨ãè©ä¾¡ãã¦ãã¾ããããã§ã¯é¢é£ããæ å ±ãã¾ã¨ãã¾ãã ï¼ï¼ä½ãèµ·ããã®ï¼ Javaãã¼ã¹ã®ãã°åºåã©ã¤ãã©ãªLog4j2ã§æ·±å»ãªèå¼±æ§ï¼CVE-2021-44228ï¼ãä¿®æ£ãããã¼ã¸ã§ã³ãå ¬éãããããã®å¾ãä¿®æ£ãä¸å®å ¨ã§ãã£ããã¨ãªã©ãçç±ã«2件ã®èå¼±æ§ãä¿®æ£ãããã åºãå©ç¨ããã¦ããã©ã¤ãã©ãªã§ããããå½±é¿ãåãã対象ãå¤ãåå¨ããã¨ã¿ãããæ»æã容æã§ãããã¨ãã2014å¹´ã®HeartbleedãShellshock以æ¥ã®å±éºæ§ãããã¨ã¿ãåãããããThe Apache Software
ãã¼ã ãã¥ã¼ã¹ ããã¤ã³ã¯ã©ãããJavaçã«ã»ãã¥ãªãã£ä¸ã®åé¡ãå¤æããã£ããããã§ãæ»æåããå¯è½æ§ãããéçºå ã¯ãããé ä¿¡ ããã¤ã³ã¯ã©ãããJavaçãªã©ã«å©ç¨ãããã©ã¤ãã©ãªã«ãç·æ¥åº¦ã®é«ãèå¼±æ§ãè¦ã¤ãã£ãããã ãå½±é¿ã¯ãã¬ã¤ã¤ã¼ããã³ãµã¼ãã¼å´ãã©ã¡ãã«ãåã¶ãéçºå Mojang Studiosã¯èå¼±æ§ã«å¯¾å¿ããç·æ¥ä¿®æ£ããããé ä¿¡ãã²ã¼ã ããã³ã©ã³ãã£ã¼ã®åèµ·åã«ããã¢ãããã¼ãã¨ããµã¼ãã¼ç®¡çè ã¸ã®å¯¾å¿ãå¼ã³ããã¦ããã ããã¤ã³ã¯ã©ãããã¯ãä¸ççã«åºã人æ°ãèªããµã³ãããã¯ã¹ã²ã¼ã ãä»åçºè¦ãããåé¡ã¯ãæ¬ä½Javaçãå©ç¨ãã¦ããJavaåãã©ã¤ãã©ãªãApache Log4j 2ãã®ã¼ããã¤èå¼±æ§ã«èµ·å ãããã®ã ããã®ã©ã¤ãã©ãªã¯ãJavaã§æ§ç¯ãããã½ããã¦ã§ã¢ä¸ã§ã®ãã°è¨é²ãå©ãããã®ã³ã°ãã¼ã«ãApacheã½ããã¦ã§ã¢è²¡å£ã®ãã¨ããªã¼ãã³ã½ã¼ã¹ï¼Apac
Webã»ãã¥ãªãã£è£½åãªã©ãææããç±³LunaSecã®å ±åã«ããã¨ãMinecraftã®ä»ãã²ã¼ã ãã©ãããã©ã¼ã ã®SteamãAppleã®ãiCloudãããã®èå¼±æ§ãæã¤ãã¨ãåãã£ã¦ãããå½±é¿ã¯åºç¯å²ã«åã¶ã¨èããããã¨ããã ãã®èå¼±æ§ã®å½±é¿ãããã®ã¯ãLog4jã®ãã¼ã¸ã§ã³2.0ãã2.14.1ã¾ã§ã¨å½åã¿ããã¦ããããLog4jã®GitHubä¸ã®è°è«ã§ã¯ã1.xç³»ãåæ§ã®èå¼±æ§ãæ±ãã¦ãããã¨ãå ±åããã¦ããã対çã«ã¯ãä¿®æ£æ¸ã¿ã®ãã¼ã¸ã§ã³ã§ãã2.15.0-rc2ã¸ã®ã¢ãããã¼ããæ¨å¥¨ããã¦ããã ã»ãã¥ãªãã£ãã¥ã¼ã¹ãµã¤ããCyber Kendraãã«ããã°ããã®èå¼±æ§ã«å¯¾ãã¦ä»ä¸ãããCVEçªå·ã¯ãCVE-2021-44228ãã¨ããã èå¼±æ§ã®å ±åãåããTwitterä¸ã§ã¯ITã¨ã³ã¸ãã¢ãã¡ãç¶ã åå¿ãããã°ãããããæã£ã¦ãããããã£ã¨ã²ã©ããã°ã ã£ããããªããããª
Spring Bootã«ããAPIããã¯ã¨ã³ãæ§ç¯å®è·µã¬ã¤ã 第2ç ä½å人ãã®éçºè ããInfoQã®ããããã¯ãPractical Guide to Building an API Back End with Spring BootããããSpring Bootã使ã£ãREST APIæ§ç¯ã®åºç¤ãå¦ãã ããã®æ¬ã§ã¯ãåºçæã«æ°ãããªãªã¼ã¹ããããã¼ã¸ã§ã³ã§ãã Spring Boot 2 ã使ç¨ãã¦ãããããããSpring Boot3ãæè¿ãªãªã¼ã¹ãããéè¦ãªå¤...
Spring Bootã«ããAPIããã¯ã¨ã³ãæ§ç¯å®è·µã¬ã¤ã 第2ç ä½å人ãã®éçºè ããInfoQã®ããããã¯ãPractical Guide to Building an API Back End with Spring BootããããSpring Bootã使ã£ãREST APIæ§ç¯ã®åºç¤ãå¦ãã ããã®æ¬ã§ã¯ãåºçæã«æ°ãããªãªã¼ã¹ããããã¼ã¸ã§ã³ã§ãã Spring Boot 2 ã使ç¨ãã¦ãããããããSpring Boot3ãæè¿ãªãªã¼ã¹ãããéè¦ãªå¤...
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}