IntelliJ IDEA is the JetBrains IDE for pro development in Java and Kotlin. Built for your comfort, it unlocks productivity, ensures quality code, supports cutting-edge tech, and protects your privacy.
Apache Struts is a free, open-source, MVC framework for creating elegant, modern Java web applications. It favors convention over configuration, is extensible using a plugin architecture, and ships with plugins to support REST, AJAX and JSON. Download Technology Primer Apache Struts 7.1.1 GA Apache Struts 7.1.1 GA has been released on 18 October 2025. Read more in Announcement or in Version notes
Twitter4Jã¨ã¯ï¼ Twitter4J 㯠Twitter API ã® Java ã©ããã§ãã Twitter4J ã使ã㨠JSON ã HTTP ã«è©³ãããªãã¦ã容æã« Twitter ã¨ã¤ã³ã¿ã©ã¯ãããã¢ããªã±ã¼ã·ã§ã³ãæ¸ããã¨ãåºæ¥ã¾ããTwitter4J 㯠Twitter éå ¬å¼ã®ã©ã¤ãã©ãªã§ãã â 100% Pure Java - works on any Java Platform version 5 or later â Android ãGoogle App Engineä¸ã§ãåä½ãã¾ã â ä¾åãªã : 追å ã® jar ãã¡ã¤ã«ãªã©ã¯å¿ è¦ããã¾ãã â OAuth ã«å¯¾å¿ â ããã©ã«ãã§ gzip ããµãã¼ãããããé«é â Twitter API 1.1ã«å®å ¨å¯¾å¿ ã·ã¹ãã è¦ä»¶ OS: Java ããµãã¼ããã Windows ã¾ã㯠Unix ç³» OS
Level up your Java⢠code With Spring Boot in your app, just a few lines of code is all you need to start building services like a boss. New to Spring? Try our simple quickstart guide. Most [of our] services today are all based on Spring Boot. I think the most important thing is that [Spring] has just been very well maintained over the years...that is important for us for the long term because we d
ãã®ãã¼ã¸ã®å 容㯠Java 1.4 æä»£ã®å 容㨠Java 21 æä»£ã®å å®¹ãæ··å¨ãã¦ãã¾ããé æ¬¡ãJava 21 ã«åããã¦æ¹çãã¦ããããã¨æãã¾ããä¸è¨ç®æ¬¡ã®åç« ã« Java 1.4 ã Java 21 ãã示ãã¾ãã ç´¢å¼ Javaã¨ã¯ ... Java 21 Javaã¨ã¯ JDKã¨JRE Javaã®ã¨ãã£ã·ã§ã³(Java SE, Java EE, Java ME) Javaã®ãã¼ã¸ã§ã³ Oracle JDKã¨OpenJDK OpenJDKã®ã©ã¤ã»ã³ã¹ ã¯ããã¦ã¿ãã ... Java 21 JDKãã¤ã³ã¹ãã¼ã«ãã Javaã¢ããªã±ã¼ã·ã§ã³ã®ãµã³ãã«(Hello World) ææ³ ... Java 21 ã³ã¡ã³ã(//, /* */, /** */) ãã¼ã¯ã¼ã ãªãã©ã« ããªããã£ãå(boolean, byte, char, short, int, long, float
javadocã£ã¦ãªãããï¼ ã¤ã³ã¹ãã¼ã«ã¯ã©ããããï¼ ã¾ãã¯javadocç¨ã½ã¼ã¹ãã¡ã¤ã«ãç¨æããªã ã½ã¼ã¹ãã¡ã¤ã«ã®æ¸ãæ¹ã ã³ã¡ã³ã ã¿ã° ä¾ ãããjavadocã³ãã³ããã¤ãã£ã¦ã¿ãã¹ ã¾ãã¯ãã«ã javadocã®æ¸å¼ã ãªãã·ã§ã³ã @filesã«ã¤ãã¦ã javadocã£ã¦ãªãããï¼ javaã®ã½ã¼ã¹ãã¡ã¤ã«ã®å 容ãè§£éãã¦ãªãã¡ã¬ã³ã¹ããã¥ã¢ã«ãçæãã¦ãã便å©ãªã³ãã³ãããã®åå¨ãç¥ããã«ææ¸ãã§ã¬ãã¡ã¬ã³ã¹ãæ¸ããå¾ã«javadocã®åå¨ãç¥ãã¨æ¬æ°ã§æ³£ããï¼çµé¨è è«ï¼ ã¤ã³ã¹ãã¼ã«ã¯ã©ããããï¼ JDKãã¤ã³ã¹ãã¼ã«æ¸ã¿ãªãã°ãã§ã«ã¤ã³ã¹ãã¼ã«ããã¦ãã¾ããJDKã¤ã³ã¹ãã¼ã«ãã©ã«ãã®binãã©ã«ãå ã«å®è¡ãã¡ã¤ã«ãããã¯ãã§ãã JDKããã¤ã³ã¹ãã¼ã«ãã¦ããªãã¨ãã人ã¯ã¾ãã¯SUNã®WEBãã¼ã¸ããJDKãè½ã¨ãã¦ã¤ã³ã¹ãã¼ã«ãã¦ãã ããã ã¾ããã¤ã³ã¹ãã¼
ï¼ ITç·¨éé¨ 2009/3/24 æçµæ´æ°ï¼ 2012/04/11 17:57 ãã®ãã¼ã¸ã¯ãJavaéçºè ï¼ããã°ã©ãã®ããã®ãJava SEï¼æ§ãJ2SEï¼ã®ã³ã¢APIã®ä½¿ç¨ã³ã¼ãä¾ã®è¨äºã¸ã®ãªã³ã¯éã§ããããã±ã¼ã¸ãã¨ã«è¡¨ã§ã¾ã¨ãã¦ããã¾ããã¡ã½ãããã³ã³ã¹ãã©ã¯ã¿ãä¾å¤ãªã©APIã®ä½¿ãæ¹ã®åèã«ãã¦ãã ãããããã±ã¼ã¸ãã¯ã©ã¹ã®ä¸¦ã³é ã¯ãæ¨æºã®Javadocï¼ãJava Platform, Standard Edition API 仿§ãï¼ã¨åæ§ã«ãã¦ãã¾ãã ãã¹ã¦ã®ã¯ã©ã¹ java awtï¼Abstract Window Toolkitï¼ event image ioï¼In/Outï¼ langï¼LANGuageï¼ reflect mathï¼MATHmaticsï¼ net nioï¼New In/Outï¼ charsetï¼CHARacter SETï¼ rmiï¼Remote Meth
ãµã¼ãã¬ãã+JSP+ãã¼ã¿ã¯ã©ã¹/Beanã使ã£ãWebã¢ããªã±ã¼ã·ã§ã³ã§ããªãã¸ã§ã¯ãæåããã°ã©ãã³ã°ãè¡ãæ¹æ³ã«ã¤ãã¦è§£èª¬ãã¾ãã ãªãã¸ã§ã¯ãã¢ãã« ä¸è¬çãªWebã¢ããªã±ã¼ã·ã§ã³ã¨ãã¦ã以ä¸ã®ãããªãªãã¸ã§ã¯ãã¢ãã«ã使ã£ã¦è§£èª¬ãã¾ãã ãã®ãããªã¢ãã«ã¨ãã¦ã¯ã顧客管çã·ã¹ãã ã顧客ã®å¿å¯¾ãè¡ãã³ã¼ã«ã»ã³ã¿ã·ã¹ãã ã課éè«æ±å¦çãè¡ãããªã³ã°ã·ã¹ãã ãªã©ãããã¾ãã ãããã®ã·ã¹ãã ã§ã¯ããã°ã¤ã³ãªãã¸ã§ã¯ãã«ãããæä½è ï¼ãªãã¬ã¼ã¿ï¼ãç¹å®ãã顧客æ¤ç´¢ãªãã¸ã§ã¯ãã«ããã対象ã¨ãªã顧客ãç¹å®ãã¾ãã 顧客æ å ±ãå¿å¯¾æ å ±ãèª²éæ å ±ãªã©ã¯ããã顧客ã«å¯¾ããå¦çã®ã¿ãè¡ãã¾ãã
ã³ãã³ãã©ã¤ã³å¼æ°ãåç §ãã(args) å¤é¨ã³ãã³ããèµ·åãã(exec) ç°¡æããã¹ãã¨ãã£ã¿ jarãã¡ã¤ã«ãä½ã(jar) ãªãã¡ã¬ã³ã¹ããã¥ã¢ã«ãä½ã(javadoc) ã¯ã©ã¹ãæ¢ã(CLASSPATH) ã·ã¹ãã ããããã£ãåç §ãã(Properties) ã³ãã³ãã©ã¤ã³å¼æ°ãåç §ãã(args) ã³ãã³ãã©ã¤ã³ã§æå®ãã弿°ã¯ãmain() ã¡ã½ããã®å¼æ°(String é å)ã§åç §ãããã¨ãã§ãã¾ãã class ArgsTest { public static void main(String[] args) { for (int i = 0; i < args.length; i++) { System.out.println("[" + args[i] + "]"); } } } C:\java>javac ArgsTest.java C:\java>java Arg
åææ¡ä»¶ Oracle XML Parserã¯ãXMLææ¸ãèªã¿è¾¼ã¿ãDOMã¾ãã¯SAX APIã使ç¨ãã¦ããã®ã³ã³ãã³ãã¨æ§é ã¸ã®ããã°ã©ã ã»ã¢ã¯ã»ã¹ãå¯è½ã«ãã¾ãããã®ãã¼ãµã¼ã¯æ¤è¨¼ã¢ã¼ãã¾ãã¯éæ¤è¨¼ã¢ã¼ãã§ä½¿ç¨ã§ãã¾ãã ãã®ç« ã§ã¯ã次ã®ãã¯ããã¸ãååã«çè§£ãã¦ããã¨æ³å®ãã¾ãã ããã¥ã¡ã³ãã»ãªãã¸ã§ã¯ãã»ã¢ãã«ï¼DOMï¼: DOMã¯ãXMLææ¸ã®æ§é ã示ãã¡ã¢ãªã¼å ããªã¼è¡¨ç¾ã§ãã Simple API for XMLï¼SAXï¼: SAXã¯ãã¤ãã³ããã¼ã¹ã®XMLè§£æã®æ¨æºã§ãã Java API for XML Processingï¼JAXPï¼: JAXPã¯ãJavaã¢ããªã±ã¼ã·ã§ã³ã§XMLãå¦çããããã®æ¨æºã¤ã³ã¿ãã§ã¼ã¹ã§ããDOMæ¨æºã¨SAXæ¨æºããµãã¼ããã¾ãã Document Type Definitionï¼DTDï¼: XML DTDã¯ãXMLææ¸ã®æå¹ãªæ§é ãå®
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
å®éã®ã¹ããªã¼ã ããã°ã©ãã³ã° ããã§ã¯ããã¡ã¤ã«ããã®èªã¿è¾¼ã¿ï¼InputStreamï¼ãåãä¸ãã¦è©±ãé²ãã¾ããæ¸ãè¾¼ã¿ï¼OutputStreamï¼ã®ç´¹ä»ã¯çç¥ãã¾ãããèªã¿è¾¼ã¿å´ã®ä»çµã¿ããã£ããã¨çè§£ããã°ããã®å¿ç¨ã§çè§£ã§ããã¨èãã¾ãã å®è¡æã®ã«ã¬ã³ããã£ã¬ã¯ããªã«ä»åã®ãµã³ãã«ã§å©ç¨ãããsampledata.txtãã¡ã¤ã«ããæºåãã¦ããã¦ãã ããããã®ãã¡ã¤ã«ãããã¼ã¿ãèªã¿è¾¼ããã®ã¨ãã¦è©±ãé²ãã¾ãããã®ãã¡ã¤ã«ã«ã¯ãä¸è¨ã®ãããªå å®¹ãæ ¼ç´ããã¦ãããã¨ã¨ãã¾ãã
æ¬§ç¾æ§ç±å¨çº¿,æ¬§ç¾æ§ç±å¨çº¿ææ¾,æ¬§ç¾æ§ç±å¨çº¿è§ç,æ¬§ç¾æ§ç±å¨çº¿è§é¢,ç¹æ®ææ©è®©å°å¦é«æ½®è¿è¿,æ¥é©avå½±é¢å¨çº¿è§ç,æ ç æ½®å·ä¸æåå¹å¨çº¿è§é¢
ãã¦ã§ããªããã°ã㯠2023å¹´1æ31æ¥ ããã¡ã¾ãã¦ãµã¼ãã¹æä¾ãçµäºãããã¾ããã 2004å¹´3æã®ãµã¼ãã¹éå§ãã19å¹´è¿ããã®éãæ²¢å±±ã®çãã¾ã«ãæç¨ããã ãã¾ãããã¨ãå¿ããã礼ç³ãä¸ãã¾ããä»å¾ã¨ããBIGLOBEããæé¡§è³ãã¾ãããããããããé¡ãç³ãä¸ãã¾ãã â»å¼ã£è¶ãå ããã°ã¸ã®ãªãã¤ã¬ã¯ããµã¼ãã¹ã¯2024å¹´1æ31æ¥ã§çµäºãããã¾ããã â»10ç§å¾ã«BIGLOBEã®ãããããã¼ã¸ã«é·ç§»ãã¾ã
ä»åã¯ãWindowsã®BMPãã¡ã¤ã«ãJavaã®BufferedImageã«èªã¿è¾¼ãã§ã¿ã¾ããããã¾ã§BMPã®èªã¿è¾¼ã¿ã¯ä½åº¦ããã£ã¦ãããããã¡ã¤ã«ããã®èªã¿è¾¼ã¿ãBufferedImageã試ãã¦ã¿ãã°ãããªã®ã§ãå¾ã¯ããããçµã¿åãããã ãã§ããããããã¡ã®æ§é ã«æ³¨æãã¦BufferedImageã®DataBufferã«ï¼²ï¼§ï¼¢ãè¨å®ãã¦ã¿ã¾ãããã BMPã®èªã¿è¾¼ã¿ ä»åã¯ãï¼ï¼ãããBMPãèªã¿è¾¼ãã§ã¿ã¾ãããã®å½¢å¼ã®BMPã¯ãDIBã¨ã°ã©ãã£ãã¯å¦çã§éã¶ã§ä½åº¦ãæ±ã£ã¦ããã®ã§ãåæ§ã«èªã¿è¾¼ãã ããã¾ããBufferedImageãï¼ï¼ãããå½¢å¼ãªãRGBã®é ç½®ã¨ä¸ä¸ãéã«ãªã£ã¦ããç¹ã«æ°ãã¤ããã°ï¼ï¼ãããDIBã«è¿ãæè¦ã§æ±ãäºãåºæ¥ã¾ãã ã¨ããããã§ãæ©éèªã¿è¾¼ãã§ã¿ã¾ããããã¾ãããã¡ã¤ã«ã®å¤§ããã調ã¹ã¦ãã®åã®ãããã¡ï¼byteåé ådatï¼ã確ä¿ãã¾ãã File
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ã¡ã³ããã³ã¹
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}}