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±³Àç ¾øÀÌ? Ãʺ¸ÀÚµµ °¡´É ÇѰ¡¿ä?
±³Àç ¾øÀ̵µ µ¿¿µ»ó°ú ½Ç½À ÀڷḸÀ¸·Î ÇнÀÇÒ ¼ö ÀÖÀ¸¸ç, Ãʺ¸ÀÚµµ ÀÌÇØÇÏ°í µû¶ó¿Ã ¼ö ÀÖµµ·Ï ¼³°èµÈ °ÀÇÀÔ´Ï´Ù.
¾ËÁö¿ÀÀÇ °ÀÇÆ¯Â¡Àº ¹«¾ùÀΰ¡¿ä?
¾ËÁö¿À °ÀÇ´Â ´Ü¼ø ÃÔ¿µº»ÀÌ ¾Æ´Ï¶ó, Àü¹® ÆíÁýÀ¸·Î Çٽɸ¸ ´ã¾Æ ÇнÀ È¿À²À» ³ôÀÎ °ÀÇÀÔ´Ï´Ù.
ÇÁ·Î±×·¥Àº ¾î¶»°Ô ±¸Çϳª¿ä?
¾ËÁö¿À ´Â ¿ø°ÝÆò»ý±³À°¿ø À¸·Î, ÇÁ·Î±×·¥¿¡ ´ëÇÑ Á¤º¸´Â ¾Ë¼ö ¾ø½À´Ï´Ù.
¼ö°»ý ¿©·¯ºÐ²² °¨»çµå¸®¸ç, ³³ºÎÇϽмö°·á ÀϺδ ¸Å¿ù »çȸ ȯ¿ø Ȱµ¿¿¡ »ç¿ëµË´Ï´Ù. ƯÈ÷ ¼Ò¿ÜµÈ ÀÌ¿ôµé¿¡°Ô ¶ó¸éÀ» ±âºÎÇϸç ÀÛÀº ³ª´®À» À̾°í ÀÖ½À´Ï´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀº ¾Æ·¡ ¸µÅ©¿¡¼ È®ÀÎÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. ¾ËÁö¿À »çȸȯ¿ø Ȱµ¿
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01.36ºÐ
ÀÚ¹Ù IO
Stream, Reader, Writer, File, Zip
¿¹Á¦/InputOutputStream/InputStream/read/int/byte/ŸÀÔ Æ¯Â¡/input/buf/read/LineSeparator/buf/exit/½ÇÇà/ÀÔ·Â/exit/OutputStream/String/byte/text.getBytes/System.out/write/flush/close/½ÇÇà/Reader ±âÃÊ/System.in/readCount/char/LineSeparator/reader.read/String/exit/½ÇÇà/ÀÔ·Â/exit/Writer ±âÃÊ/String/char/toCharArray/System.out/write/flush/close/FileInputStream ±âÃÊ/File.separator/readCount/byte/try/read/½ÇÇà/english/FileOutStream ±âÃÊ/String/Scanner/System.in/try/while/scan.nextline/write/System.LineSeparator/flush/½ÇÇà/write/ÀúÀå È®ÀÎ/FileReader/read/char/try/fileName/reader.read/String/½ÇÇà/ºñ±³/FileWriter ±âÃÊ/String/Scanner/try/exit/FileWriter/flush/½ÇÇà/exit/ÀúÀå È®ÀÎ/µ¥ÀÌÅÍ Ã³¸®/Filter Stream/byte/try/FileInputStream/ZipEntry/getNextEntry/zin.read/zin.colseEntry/½ÇÇà/ouputZipStream/String/Scanner/try/ZipEntry/nextLine/exit/write/LineSeparator/flush/½ÇÇà/exit/ÀúÀå È®ÀÎ
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02.46ºÐ
Thread ±âÃÊ¿Í µ¥ÀÌÅÍ ¹Ýȯ ¹æ¹ý
Thread ±âÃÊ, µ¥ÀÌÅÍ ¹Ýȯ ¹æ¹ý, Æú¸µ ¹æ½Ä, Äݹé°ú ÀνºÅϽº Äݹé, Callable Future ExecutorService
thread/Process, Thread/¿¹Á¦1/public class/run ÇÔ¼ö/MessageDigest/getInstance/sha/try, catch/while/StringBuilder Ŭ·¡½º »ý¼º/System.out.println/°á°ú È®ÀÎ/Thread, start ÇÔ¼ö/Runnable/run/MessageDigest/digest/ÆÄÀϸí ÁöÁ¤/Thread(run)/°á°ú È®ÀÎ/·ÎÁ÷ ÁøÇà Àü ÀÎÀÚ°ªÀ» ÀÔ·Â ¹Þ´Â ¹æ¹ý/fileName/½ÇÇà ·ÎÁ÷ ÈÄ ¹ÝȯµÇ´Â °ª ó¸®/run/¿¹Á¦/ExcuteThread/ExcuteThread/digest/getDigest/run/°æÀï Á¶°Ç/Thread.sleep(2000)/Thread¿¡¼ µ¥ÀÌÅÍ ¹Ýȯ ¹æ¹ý/Thread¿¡¼ µ¥ÀÌÅÍ ¹Ýȯ ¹æ¹ý 1/Thread¿¡¼ µ¥ÀÌÅÍ ¹Ýȯ ¹æ¹ý 2/Thread¿¡¼ µ¥ÀÌÅÍ ¹Ýȯ ¹æ¹ý 3/Polling ¿¹Á¦/ExcuteThread/InputStream »ý¼º/th.getDigest/break/°á°ú È®ÀÎ/Thread.sleep/Callback ¿¹Á¦/main ¸Þ¼Òµå/start/Runnable/getInstance/receiveDigest/°á°ú È®ÀÎ/Polling, Callback ºñ±³/Instance ¿¹Á¦/caculateDigest/Thread/this/run/callback/¿¹Á¦/main ¸Þ¼Òµå/Integer/FindMaxTask/getRandomData/Integer/Random/return data/FindMaxTask/Callable/¿¹Á¦ È®ÀÎ/FindMaxTask/max/return max/ExecutorService/service.shutdown()/°á°ú È®ÀÎ
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03.38ºÐ
ÀÚ¹Ù³×Æ®¿öÅ© ÇÁ·Î±×·¡¹Ö
IP to InetAddress, ¿©·¯°³ÀÇ InetAddress, ·ÎÄÃÈ£½ºÆ®ÀÇ InetAddress, InetAddress.getByAddress, CanonicalHostName, IPv4 IPv6ÀÎÁö ÆÇ´Ü, InetAddressÀÇ Equals
InetAddress/¿¹Á¦/InetAddress.getByName/InetAddress.getByName(È£½ºÆ®¸í)/UnknownHostException/°á°ú È®ÀÎ/InetAddress.getByName(ipÁÖ¼Ò)/getHostName/°á°ú È®ÀÎ/InetAddress.getAllByName/°á°ú È®ÀÎ/¿¹Á¦/InetAddress.getLocalHost/°á°ú È®ÀÎ/¿¹Á¦/byte address/InetAddress.getByAddress/°á°ú È®ÀÎ/¿¹Á¦/InetAddress.getByName(ipÁÖ¼Ò)/getCanonicalHostName/°á°ú È®ÀÎ/¿¹Á¦/InetAddress.getLocalHost/IPv4, IPv6 ±¸º°/IPv4/IPv6/°á°ú È®ÀÎ/¿¹Á¦/Equals/InetAddress.getByName(È£½ºÆ®¸í)/InetAddress.getByName(ipÁÖ¼Ò)/°á°ú È®ÀÎ/¿¹Á¦/sbl.spamhaus »çÀÌÆ®/BLACKHOLE/main ¸Þ¼Òµå/isSpammer/isSpammer/private static boolean/getAddress()/for¹®/ÃÖÁ¾ °Ë»öÇÒ ÁÖ¼Ò È®ÀÎ/InetAddress.getByName(query)/UnknownHostException/°á°ú È®ÀÎ/¿¹Á¦/weblog È®ÀÎ/String filePath/InputStreamReader/for¹®/String entry/°ø¹é ¹®ÀÚ¿/InetAddress.getByName(ip)/°á°ú È®ÀÎ/¿¹Á¦/NUM THREADS/Executors.newFixedThreadPool/LinkedList/LogEntry/Queue LogEntry results/FileInputStream/InputStreamReader/LookupTask/call()/String rest/String hostName/unknown Host/executor.submit/LogEntry result/add/°á°ú È®ÀÎ
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04.43ºÐ
URI/URL °´Ã¼¸¦ ÀÌ¿ëÇÑ µ¥ÀÌÅÍ Ã³¸® ¹× Àü¼Û¹æ½Ä
URL ±âÃÊ, URLÀ» ÀÌ¿ëÇÑ µ¥ÀÌÅÍ Ã³¸®01 - openStream, URLÀ» ÀÌ¿ëÇÑ µ¥ÀÌÅÍ Ã³¸®02 - openConnection, URLÀ» ÀÌ¿ëÇÑ µ¥ÀÌÅÍ Ã³¸®03 - getContent, URLÀ» ÀÌ¿ëÇÑ µ¥ÀÌÅÍ Formµ¥ÀÌÅÍ Àü¼Û - Get, Post ¹æ½Ä
URI, URL/URI/¿¹Á¦ ÁÖ¼Ò 1/¿¹Á¦ ÁÖ¼Ò 2/URL/¿¹Á¦ ÁÖ¼Ò/URI, URL ³»¿ë Á¤¸®/URL ¿¹Á¦/°á°ú È®ÀÎ/¿¹Á¦/new URL/°á°ú È®ÀÎ/¿¹Á¦/URL u1/URL u2/URL u1 °´Ã¼ »ý¼º/URL u2 °´Ã¼ »ý¼º/°á°ú È®ÀÎ/¿¹Á¦/ClassLoader/°á°ú È®ÀÎ/¿¹Á¦/URL °´Ã¼ ÀÌ¿ëÇÏ¿© µ¥ÀÌÅÍ °¡Á®¿À´Â ¹æ¹ý/URL °´Ã¼ ÀÌ¿ëÇÏ¿© µ¥ÀÌÅÍ °¡Á®¿À´Â ¹æ¹ý 1/URL °´Ã¼ ÀÌ¿ëÇÏ¿© µ¥ÀÌÅÍ °¡Á®¿À´Â ¹æ¹ý 2/URL °´Ã¼ ÀÌ¿ëÇÏ¿© µ¥ÀÌÅÍ °¡Á®¿À´Â ¹æ¹ý 3/¿¹Á¦ 1/String/ÇØ´ç URL ºê¶ó¿ìÀú È®ÀÎ/new URL/openStream()/int/read()/write()/°á°ú È®ÀÎ/InputStream/¿¹Á¦/new URL/openStream()/BufferedReader/String line/°á°ú È®ÀÎ/¿¹Á¦/String ALZIO URL/new URL/openConnection()/getInputStream()/System.out.write/°á°ú È®ÀÎ/µ¥ÀÌÅ͸¦ °¡Á®¿ÀÁö ¸øÇÑ ÀÌÀ¯/¿¹Á¦/new URL/getInputStream()/readLine()/°á°ú È®ÀÎ/¿¹Á¦/new URL/µ¥ÀÌÅÍ Å¸ÀÔ - png ÆÄÀÏ/ºê¶ó¿ìÀú È®ÀÎ/getContent()/°á°ú È®ÀÎ/¿¹Á¦/getContent()/µ¥ÀÌÅÍ Å¸ÀÔ - html ¹®¼/°á°ú È®ÀÎ/¿¹Á¦/getContent()/getName()/InputStream/°á°ú È®ÀÎ/¿¹Á¦/Form Data/GET/Æ÷½ºÆ® ¹æ½Ä, GET ¹æ½Ä Â÷ÀÌÁ¡/¿¹Á¦/Get Method/php/echo/get/encode/new URL/openConnection()/huc.getInputStream()/new BufferedReader/°á°ú È®ÀÎ/¿¹Á¦/echo/openConnection()/setDoOutput/setRequestProperty/getOutputStream()/writer.write/getInputStream()/String line, readLine()/°á°ú È®ÀÎ
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05.46ºÐ
URLConnection ±âÃÊ
¼¹ö µ¥ÀÌÅÍ °¡Á®¿À±â, Http Header - ContentType Ȱ¿ë, Http Header - ContentLength¸¦ Ȱ¿ëÇÑ BinÆÄÀÏÀúÀå, Http Header - ·¡ÆÛ ¸Þ¼Òµå¿Í Header ³»¿ëÈ®ÀÎ, ¼¹ö·Î µ¥ÀÌÅ͸¦ Àü¼ÛÇÏ¿© È®ÀÎ
urlconnection/¿¹Á¦/Scanner(System.in)/nextLine()/openConnection()/contentType/if/int encodingIdx/encodingType/¼¹ö¿¡ µ¥ÀÌÅÍ Àоî¿À´Â ¿¹Á¦/getInputStream()/BufferedReader reader/while, readLine()/url/contentType/charset/urlconnection/¿¹Á¦/new Scanner/Url ÁÖ¼Ò ÀÔ·Â/nextLine()/openConnection()/new BufferedReader/readLine()/System.out.printIn/MalformedURLException/½ÇÇà/¿¹Á¦/urlStr/URL url/url.openConnection()/getContentLength()/getInputStream()/byte ¹è¿ »ý¼º/bis.read()/url.getFile()/FileOutputStream/½ÇÇà/À̹ÌÁö È®ÀÎ/urlconnection Header/¿¹Á¦/scan.nextLine()/url.openConnection()/getDate(), getLastModified()/getExpiration()/getContentLength()/½ÇÇà/¿¹Á¦/scan.nextLine()/int, while(true)/getHeaderFieldkey/½ÇÇà/¿¹Á¦/String/php echo/new URL/openConnection()/getOutputStream()/new BufferedWriter/¿¹Á¦/uc.getInputStream()/String line/½ÇÇà
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06.39ºÐ
TCP ÀÚ¹Ù³×Æ®¿öÅ© Åë½Å1
TCP ³×Æ®¿÷ Åë½Å ±âÃÊ, ¼¹ö Àü¼Û, Ŭ¶óÀÌ¾ðÆ® ¼ö½Å, ½º·¹µå °³¼±, ¼¹ö ¼ö½Å, Ŭ¶óÀÌ¾ðÆ® Àü¼Û, Reader, Writer °³¼±
tcp Åë½Å/Server, Client/Server/accept()/read()/write()/Client, socket()/connect/write()/read()/close()/¿¹Á¦1/Server ¼ÒÄÏÀ» »ý¼º(Æ÷Æ®¹øÈ£)/accept()/Blocking ÇÔ¼ö/socket.getInetAddress()/InputStream/System.out.println()/Ŭ¶óÀ̾ðÆ®/socket.getInetAddress()/socket.getInputStream()/socket.getOutputStream()/close()/¼¹ö ½ÇÇà/accept()/Ŭ¶óÀÌ¾ðÆ® ¿¬°á »ý¼º/¿¹Á¦2/Server¼ÒÄÏ »ý¼º/accept()/getInetAddress()/getOutputStream()/BufferedOutputStream()/Date currentDate/SimpleDateFormat/BufferedOutputStream/bos.write(buf, 0, buf.length)/Ŭ¶óÀÌ¾ðÆ® ¿¹Á¦/socket.getInetAddress()/socket.getInputStream()/socket.getOutputStream()/new BufferedInputStream/int read/String line/read/is, os, socket/¼¹ö ½ÇÇà/Ŭ¶óÀÌ¾ðÆ® ½ÇÇà/TCP - Server ClientÅë½Å (Reader/Writer)/¿¹Á¦/socket.getInetAddress()/OutputStream/BufferedWriter/Date/SimpleDateFormat/format(currentDate)/writer/writer.newLine()/writer.flush()/close()
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07.1½Ã°£ 13ºÐ
TCP ÀÚ¹Ù³×Æ®¿öÅ© Åë½Å2
ÇöÀç ½Ã°£ ¹®ÀÚ¿ Àü¼Û, ¼ö½Å - Client Åë½Å, ´ÙÁßÁ¢¼Ó °¡´ÉÇÑ ¼¹ö(Thread Àû¿ë) - Server Åë½Å, ´ÙÁßÁ¢¼Ó °¡´ÉÇÑ ¼¹ö(Thread Àû¿ë) - Client Åë½Å, Ŭ¶óÀÌ¾ðÆ®¿¡¼ ÀԷ¹ÞÀº ¹®ÀÚ¿ Àü¼Û - Server, Client Åë½Å, Ŭ¶óÀÌ¾ðÆ®¿¡¼ ÀԷ¹ÞÀº ¹®ÀÚ¿ Àü¼Û(Reader, Writer °³¼±) - Server, Client Åë½Å, Ŭ¶óÀÌ¾ðÆ® TCP Åë½Å(OutputStream »ç¿ë), Ŭ¶óÀÌ¾ðÆ® TCP Åë½Å(Writer »ç¿ë), ¼¹ö, Ŭ¶óÀÌ¾ðÆ® TCP Åë½Å(Buffered InputStream, OutputStream »ç¿ë), Ŭ¶óÀÌ¾ðÆ® TCP Åë½Å(Thread»ç¿ë), ¼¹ö TCP Åë½Å(Thread»ç¿ë)
Client Åë½Å - ÇöÀç ½Ã°£ ¹®ÀÚ¿ Àü¼Û/¼ö½Å ¿¹Á¦/Socket/InetAddress/InputStream/BufferedReader/readLine()/reader.readLine()/¼¹ö ½ÇÇà/¼¹ö¿¡¼ ÇöÀç½Ã°£ Àü¼Û/Ŭ¶óÀÌ¾ðÆ® ½ÇÇà/Thread ¿¹Á¦/new ServerSocket/server.accept()/new Thread/Runnable/run()/socket.getInetAddress()/BufferedWriter/socket.getOutputStream()/new Date()/SimpleDateFormat/write(formattedDate)/finally, close()/¼¹ö Æ÷Æ® ÀÔ·Â/socket.getInputStream()/String line/while/close()/¼¹ö ½ÇÇà/Thread/Ŭ¶óÀÌ¾ðÆ® ½ÇÇà/¼¹ö È®ÀÎ/Ŭ¶óÀÌ¾ðÆ® È®ÀÎ/Server/Client Åë½Å ¿¹Á¦/new ServerSocket/accept()/inetAddr/socket.getInputStream()/int read/close()/Ŭ¶óÀ̾ðÆ®/new Socket(¼¹ö ÁÖ¼Ò, Æ÷Æ®)/socket.getInetAddress()/System.in/scan.nextLine()/socket.getOutputStream()/os/text.getBytes()/close()/½ÇÇà/¹®ÀÚ¿ ÀÔ·Â/Reader/Writer - Server/Client Åë½Å ¿¹Á¦/new ServerSocket/socket.getInetAddress()/BufferedInputStream/byte ¹è¿/String line/new String(buf, 0, read)/Ŭ¶óÀÌ¾ðÆ® TCP Åë½Å(OutputStream) ¿¹Á¦/Socket/socket.getInetAddress()/Scanner/scan.nextLine()/socket/OutputStream/getBytes()/flush()/scan, os, socket close()/¼¹ö, Ŭ¶óÀÌ¾ðÆ® ½ÇÇà/Ŭ¶óÀ̾ðÆ®/Socket/socket.getInetAddress()/Scanner(System.in)/scan.nextLine()/socket.getOutputStream()/bos.write/flush()/scan, bos, socket close()/Ŭ¶óÀÌ¾ðÆ® ½ÇÇà/¼¹ö Ŭ¶óÀÌ¾ðÆ®¿¡°Ô ¹ÞÀº ¹®ÀÚ¿/Ŭ¶óÀÌ¾ðÆ® TCP Åë½Å(Writer) ¿¹Á¦/ServerSocket/accept()/getInetAddress()/socket.getInputStream()/BufferedReader/String line/readLine()/reader.close(), server.close()/Ŭ¶óÀÌ¾ðÆ® ¼Ò½º/Socket/getInetAddress()/System.in/nextLine()/getOutputStream()/new BufferedWriter/writer/writer.newLine()/close()/½ÇÇà/[01:00:03] Ŭ¶óÀÌ¾ðÆ® ¿¹Á¦/[01:00:54] Socket/[01:01:36] socket.getInetAddress()/[01:01:48] Scanner/[01:02:57] while(true)/[01:03:42] nextLine()/[01:04:05] if, break/[01:04:25] writer/[01:04:33] writer.newLine()/[01:04:54] writer.flush()/[01:05:04] scan, writer, socket, close()/[01:05:39] ServerSocket/[01:06:22] accept()/[01:07:06] Thread/[01:07:41] thread.start()/[01:07:56] Runnable/[01:08:27] run()/[01:08:53] getInetAddress()/[01:09:21] reader/[01:09:45] InputStreamReader/[01:10:26] String/[01:11:24] reader.close()/[01:11:35] ½ÇÇà/[01:12:04] ¼¹ö·Î Àü¼ÛÇÏ°í ½ÍÀº ¹®ÀÚ¿ ÀÔ·Â/[01:12:24] exit ¹®ÀÚ¿
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08.1½Ã°£ 1ºÐ
TCP ÀÚ¹Ù³×Æ®¿öÅ© Åë½Å3
Web¼¹ö ¼Ò½ºÄÚµå ¼³¸í ¹× ½ÇÇà, HTTP Åë½Å¹æ½Ä, JHTTP main ¸Þ¼Òµå, RequestProssessor
TCP Åë½Å Ȱ¿ëÇÑ À¥ ¼¹ö ±¸Çö/À¥ ¼¹ö Åë½Å/À¥ ¼¹ö Åë½Å °úÁ¤ À̹ÌÁö/Browser, Server/main/int port/Integer/port/encoding/args/readAllBytes(path)/URLConnection.getFileNameMap()/start()/ArrayIndexOutOfBoundsException/System.out.println/IOExcepion/Logger/Logger.getLogger/content/header/port/encoding/ù ¹øÂ° »ý¼ºÀÚ/String data, encoding, mimeType, port/µÎ ¹øÂ° »ý¼ºÀÚ/encoding/this/byte data, encoding, mimeType, port/header/Server, Content-length, Content-type/getBytes()/Executors.newFixedThreadPool()/try/while(true)/server.accept()/HTTPHandler, submit/try/log/HTTPHandler/Callable/Callable/HTTPHandler »ý¼ºÀÚ/getOutputStream()/getInputStream()/BufferedOutputStream(), BufferedInputStream()/OutputStream, InputStream/append()/out.flush()/finally/return null/À¥¼¹ö ¿¹Á¦/¾ËÁö¿À ȨÆäÀÌÁö ¿¹Á¦/Run Configurations/ÁÖ¼Ò ÀÔ·Â, Æ÷Æ®/GET/À¥¼¹ö ¿¹Á¦/Åë½Å ¹æ½Ä °úÁ¤ À̹ÌÁö/Ŭ¶óÀÌ¾ðÆ® ¿ªÇÒÇÏ´Â Browser/Browser/¿äû headers Àü¼Û/Web page °æ·Î Ž»ö/JHTTP ÀÚ¹Ù ÆÄÀÏ/RequestProcessor.java/JHTTP/Logger.getLogger/NUM_THREADS/rootDirectory/int port/main ¸Þ¼Òµå/args/new File/Integer.parseInt/JHTTP »ý¼ºÀÚ/rootDirectory, port ¹øÈ£/rootDirectory/NUM_THREADS/try, ServerSocket/Logger/server.accept()/Runnable/pool.submit()/rootDirectory.getCanonicalFile()/rootDirectory.getPath()/OutputStream/Writer/Reader/US-ASCII/while(true)/Logger.info/HTTP ¸Þ¼Òµå/split()/tokens/method.equals/if/sendHeader/flush()/String contentType/getFileNameMap()/Logger.info/File(rootDirectory, fileName)/byte/[01:00:35] raw.flush()
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09.1½Ã°£ 7ºÐ
UDP Åë½Å1
UDP Åë½Å ±âÃÊ ÀÌ·ÐUDP Daytime Client ¿¹Á¦ ¹× ½ÇÇà, UDP Discard¼¹ö, UDP DiscardŬ¶óÀÌ¾ðÆ® ¹× ½ÇÇà, UDP Echo¼¹ö-UDPServer, UDP Echo¼¹ö-UDPEchoServer
else/sendHeader/out.write()/method/String/body.length()/out.flush()/JHTTP °´Ã¼ ½ÇÇà/Run Configurations/locallhost/Console È®ÀÎ/UDP Åë½Å/TCP¿Í UDPÀÇ Â÷ÀÌÁ¡/TCP Åë½Å/½Å·Ú¼º ÀÖ´Â Àü¼Û/UDP Åë½Å/UDP ½Ç½ÀÇϱâ/UDP ¿¹Á¦/package/Logger/PORT ¹øÈ£/main ¸Þ¼Òµå È®ÀÎ/Logger.info/new DatagramSocket/socket.setSoTimeout()/InetAddress host/new DatagramSocket/socket.send()/socket.receive/receivedPacket.getData()/Logger.info/receivedPacket.getPort()/³×Æ®¿öÅ©Åë½Å¿¡¼ °¡Àå Áß¿äÇÑ ¿¹¿Üó¸®/SocketException/UnknownHostException/IOException/¼¹ö UDP Åë½Å/package/Logger.getLogger/try/UDP Åë½Å/Ŭ¶óÀ̾ðÆ®/¹«ÇÑ ·çÇÁ/¼¹ö/TCP Åë½Å/new DatagramPacket/socket.receive()/String daytime/getBytes()/request.getAddress(), request.getPort()/½ÇÇà/¼¹ö ·Î±× È®ÀÎ/Ŭ¶óÀÌ¾ðÆ® È®ÀÎ/UDP Åë½Å/Discard ¼¹ö Ŭ¶óÀ̾ðÆ®/server/Logger.getLogger/MAX_PACKET_SIZE/Logger.info/new DatagramSocket/while(true)/String ŸÀÔÀ¸·Î º¯È¯/UTF-8/Logger.info/receivedPacket.setLength/Ŭ¶óÀÌ¾ðÆ® È®ÀÎ/package/Logger.getLogger/main ¸Þ¼Òµå È®ÀÎ/Logger.info/InetAddress.getByName()/InputStreamReader(System.in)/While(true)/userMessages.getBytes()/socket.send/SocketException/UnknownHostException/IOException/½ÇÇà, °á°ú È®ÀÎ/DiscardServer ½ÇÇà È®ÀÎ/Ŭ¶óÀÌ¾ðÆ® ½ÇÇà È®ÀÎ/¸Þ½ÃÁö Àü¼ÛÇϱâ/UDP Åë½ÅÀ» ÀÌ¿ëÇÑ echo ¼¹ö¿Í Ŭ¶óÀ̾ðÆ®/°´Ã¼ÁöÇâ °³³ä Àû¿ëÇϱâ/UDP ¼¹ö/abstract class/Logger.getLogger()/isShutDown/run()/new DatagramSocket(port)/socket.setSoTimeout()/if(isShutDown) return/receive()/SocketTimeoutException/[01:00:32] respond/[01:01:09] ShutDown()/[01:01:32] echo ¼¹ö/[01:01:56] package/[01:02:37] Logger.getLogger()/[01:03:40] respond ¸Þ¼Òµå/[01:04:19] getAddress()/[01:04:38] getPort()/[01:05:34] shutDown()/[01:06:01] UDPEchoServer()
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10.57ºÐ
UDP Åë½Å2
Echo Ŭ¶óÀÌ¾ðÆ® Å¬·¡½º, UDPRequest ·ÎÁ÷, UDPEchoClient ¸ÞÀÎ ÇÔ¼ö ºÎºÐ, UDPEchoClientÀÇ SenderThread ·ÎÁ÷, UDP ¿¡ÄÚ Å¬¶óÀÌ¾ðÆ® - ReceivedThread ¼³¸í, UDP ÆÄÀÏ Àü¼Û ¼¹ö ¿¹Á¦, UDP ÆÄÀÏ ¼ö½Å Ŭ¶óÀÌ¾ðÆ® ¿¹Á¦ ¹× ½ÇÇà, UDP ÆÄÀÏ ¸ñ·Ï Á¶È¸ ¼¹ö ¿¹Á¦, UDP ÆÄÀÏ ¸ñ·Ï Á¶È¸ Ŭ¶óÀÌ¾ðÆ® ¿¹Á¦
UDP Echo Ŭ¶óÀÌ¾ðÆ® ¼ºñ½º/getLogger()/default_port/InetAddress.getByName()/UDPRequest/udpRequest.request()/Logger.info/InetAddress.getByName/class¸í ÁöÁ¤/getLogger()/buffersize/timeout/host/port/int buffersize/InetAddress host, int port/request()/getBytes()/DatagramPacket/socket.setSoTimeout(timeout)/socket.connect(host, port)/byte buffer/socket.receive()/int receivedLength/return/UDP Echo ¼¹ö ½ÇÇà/°á°ú È®ÀÎ/¼¹ö È®ÀÎ/È¿À²ÀûÀÎ UDP Åë½Å ó¸®Çϱâ/¿¹Á¦ È®ÀÎ/InetAddress.getByName()/¼Û½Å°ú ¼ö½ÅÀ» °¢ Thread·Î ºÐ¸®/new SenderThread/start()/SenderThread/Logger.getLogger/boolean stopped/SenderThread/connect(server, port)/halt()/run()/while/logger.info/datagrampacket/send()/ReceiverThread/ReceiverThread/halt()/while/receive()/Thread.yield()/½ÇÇà, °á°ú È®ÀÎ/UDP ÆÄÀÏ Àü¼Û Åë½Å/TARGET_FILE_NAME/BufferedReader/DatagramPacket/socket.receive/if/BufferedReader/receivePacket.getAddress(), receivePacket.getPort()/Exception/finally/UDPClient ¿¹Á¦/try/DatagramPacket/send()/receivePacket.getAddress()/receivePacket.getData()/½ÇÇà, °á°ú È®ÀÎ/txt ÆÄÀÏ È®ÀÎ/¼¹öÀÇ ÆÄÀϸñ·ÏÀ» Ŭ¶óÀÌ¾ðÆ®¿¡°Ô Àü´ÞÇÏ´Â ¿¹Á¦/server/HOST, PORT/GUBUN/try/receive()/list()/GUBUN/getPort()/datagrampacket ÀÎÀÚ/send()/localhost/main ¸Þ¼Òµå È®ÀÎ/InetAddress
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11.59ºÐ
UDP Åë½Å3
UDP ÆÄÀÏ ¸ñ·Ï Á¶È¸ Ŭ¶óÀÌ¾ðÆ® ¿¹Á¦, UDP ´ÙÁß ·ÎÁ÷ Ŭ¶óÀ̾ðÆ®, ÆÄÀÏ ¸ñ·Ï Á¶È¸, ÆÄÀÏ ´Ù¿î·Îµå
receivepacket/socket.send()/receivepacket.getlength()/string »ý¼ºÀÚ/return/split()/for/½ÇÇà, °á°ú È®ÀÎ/server °á°ú È®ÀÎ/ÆÄÀÏ ¸ñ·Ï Á¶È¸, ÆÄÀÏ Àü¼Û ¹× ¼ö½Å ¿¹Á¦/±¸Çöµµ È®ÀÎ/filelist/transfer/Ŭ¶óÀÌ¾ðÆ® ¼³¸í/logger °´Ã¼ »ý¼º/main ¸Þ¼Òµå/try/inputstreamreader(system.in)/while(true)/readline()/else if/processtransfer/else if, break/processfilelist ¸Þ¼Òµå È®ÀÎ/mode_file_list/target_folder/senddata.getbytes("utf-8")/send()/receive()/getaddress()/getlength()/logger.info/parsereceiveddata()/split()/unknownhostexception e/¿øÇÏ´Â ÆÄÀÏÀ» ´Ù¿î·Îµå ÇÒ °æ¿ì 󸮵Ǵ ·ÎÁ÷/readline()/processtransfer()/mode_transfer/send()/receive()/getlength()/unknownhostexception e/udpserver/target_file_name/main ¸Þ¼Òµå È®ÀÎ/while(true)/receive()/process()/processfilelist()/exists()/for/tostring()/processtransfer()/bufferedreader °´Ã¼ »ý¼º/sb.append()/½ÇÇà, °á°ú È®ÀÎ/jsoup : java html parser/ȯ°æ±¸Ãà/jsoup ´Ù¿î·Îµå/properties/html ¹®ÀÚ¿À» jsoup ¶óÀ̺귯¸®°¡ ÆÄ½ÌÇÏ´Â ¿¹Á¦/jsoup.parse(html)/outerhtml()/½ÇÇà, °á°ú È®ÀÎ/body¿¡ ÀÖ´Â ³»¿ë¸¸À» Ãß°¡ÇÏ´Â ¿¹Á¦/jsoup.parsebodyfragment()/doc.body()/½ÇÇà, °á°ú È®ÀÎ/url¿¡ Á¢¼ÓÇÏ¿© htmlÀ» °¡Á®¿À´Â ¿¹Á¦/jsoup.connect/data()/ȨÆäÀÌÁö Ä«Å×°í¸®¸¦ Ãß°¡ È®ÀÎ/post()/½ÇÇà, °á°ú È®ÀÎ/html ÆÄÀÏÀ» jsoup ¶óÀ̺귯¸®·Î ÆÄ½ÌÇÏ´Â ¿¹Á¦/jsoup.parse()/½ÇÇà, °á°ú È®ÀÎ/htmlÀ» ÆÄ½ÌÇϰí, ºÐ¼®ÇÏ´Â ¿¹Á¦/get()/ºê¶ó¿ìÀú ȸéÀ» ÅëÇÏ¿© °¡Á®¿Ã ´ë»ó È®ÀÎ/f11 (°³¹ßÀÚ µµ±¸)/getelementsbyclass/html ÆÄ½Ì ¿¹Á¦/data()/get()/ºê¶ó¿ìÀúÀÇ »ó¼¼³»¿ë È®ÀÎ
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12.55ºÐ
Swing1
Swing Hello world ¿¹Á¦, ·¹À̾ƿô ¼³¸í, FlowLayout ½Ç½À, BorderLayout ½Ç½À, GridLayout, MixLayout ½Ç½À, Swing ÄÄÆ÷³ÍÆ® : TextField, Button Eventó¸®, üũ¹Ú½º, ÆÄÀϼ±Åà Dialog, ÆÄÀϼ±Åà Dialog with FileFilter, ÀÚ¹Ù I, O Reader with Swing
java swing/±âº» »ý¼ºÀÚ/setdefaultcloseoperation/settitle/jlable/init()/flowlayout/jframe/settitle/init()/flowlayout/ÄÄÆ÷³ÍÆ® Ãß°¡Çϱâ/flowlayout Ŭ·¡½º »ý¼º/pack()/½ÇÇà, °á°ú È®ÀÎ/borderlayout/jframe/settitle/init()/setlayout/new borderlayout()/add()/main ¸Þ¼Òµå È®ÀÎ/init(), pack(), setvisible()/½ÇÇà, °á°ú È®ÀÎ/borderlayout(int hgap, int vgap)/gridlayout/setdefaultcloseoperation/init()/gridlayout(int row, int cols)/½ÇÇà, °á°ú È®ÀÎ/mixlayout/init()/jpanel()/setlayout()/µÎ ¹øÂ° panel »ý¼º, setlayout()/jframe/½ÇÇà, °á°ú È®ÀÎ/±âº» ÄÄÆ÷³ÍÆ®/checkbox ÄÄÆ÷³ÍÆ®/jframe/init()/allcheck º¯¼ö ±â´É/actionperformed/isselected()/Àü¼Û¹öư Ãß°¡/addactionlistener/main ¸Þ¼Òµå È®ÀÎ/init()/½ÇÇà, °á°ú È®ÀÎ/´ÙÀ̾ó·Î±×/actionlistener/jfilechooser/filechooser/jtextarea/addactionlistener(this)/openbutton/getsource()/showopendialog/getselectedfile()/½ÇÇà, °á°ú È®ÀÎ/ÆÄÀÏ ÇÊÅÍ ±â´É/filechooser/getdescription(), accept()/return false/openbutton/borderlayout()/getsource()/½ÇÇà, °á°ú È®ÀÎ/ÀÚ¹Ù IO/filechooser/jframe/seteditable(false)/getcontentpane()/e.getsource()/getfilecontent/bufferedreader/reader.readline()/message.append/½ÇÇà, °á°ú È®ÀÎ
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13.1½Ã°£ 8ºÐ
Swing2
Java I, O File Reader °³¼±, Java I, O File Writer °³¼±, Long Work¸¦ InlineÀ¸·Î ó¸®, Long Work¸¦ Thread·Î ó¸®, Long Work¸¦ Áß°£¿¡ ÁßÁöÇϱâ
Java I/O File Reader °³¼±/actionlistener/setdefaultcloseoperation/filefilter()/getdescription(), accept()/return false/¿±â¹öư »ý¼º/message.seteditable(false)/borderlayout()/add()/actionperformed()/filechooser.showopendialog/getfilecontent()/while/append()/printstacktrace()/½ÇÇà, °á°ú È®ÀÎ/filewriter ¿¹Á¦ 1/ÆÄÀÏ ¾²±â ±â´É Ãß°¡Çϱâ/jframe, actionlistener/textfilechooser, dirchooser/setacceptallfilefilterused/getdescription()/return false/directories_only/seteditable(false)/flowlayout()/northpanel/¹öưÀ» ´·¶À» ¶§ À̺¥Æ® ó¸®Çϱâ/actionperformed()/getsource()/textfilechooser.showopendialog/getselectedfile()/getfilecontent()/stringbuilder/while/return sb.tostring()/dirchooser/getselectedfile()/if, return/writefile ¸Þ¼Òµå/new bufferedwriter/return true/½ÇÇà, °á°ú È®ÀÎ/filewriter ¿¹Á¦ 2/init()/isdirectory()/addactionlistener()/new jpanel()/getcontentpane()/actionperformed()/getsource()/showopendialog()/textfilechooser/getfilecontent()/message.append()/string line/lineseparator()/writefile()/new bufferedwriter/½ÇÇà, °á°ú È®ÀÎ/swing ¿¹Á¦¿¡¼ thread 󸮽à ¹ß»ýÇÏ´Â ¹®Á¦Á¡, »ç¿ë¹ý/¿¹Á¦ 1/»ý¼ºÀÚ ±¸Çö/setactioncommand()/while/thread.sleep/±¸¼ºÇÑ ¿ä¼Ò ¹èÄ¡Çϱâ/northpanel.setlayout/add()/pane.add()/½ÇÇà, °á°ú È®ÀÎ/¿¹Á¦ 2/±¸¼º ¿ä¼Ò/init()/set.actioncommand()/thread.sleep()/setactioncommand()/new actionlistener()/actionperformed()/while/thread.start()/add()/northpanel/pane.add()/init(), pack(), setvisible()/¿¹Á¦ 3/exit_on_close/[01:00:30] setactioncommand()/[01:00:57] thread.sleep()/[01:01:10] thread ó¸® ÇÏ´Â ºÎºÐ/[01:01:23] addactionlistener/[01:02:15] new thread, getactioncommand()/[01:03:33] run()/[01:04:15] ÁßÁö¿äûÀÌ µé¾î¿ÔÀ» ¶§ Á¾·á µÇ´Â ºÎºÐ »ìÆìº¸±â/[01:04:32] thread.currentthread()/[01:04:45] isinterrupted()/[01:05:00] try, catch/[01:05:29] setactioncommand()/[01:06:00] interrupt()/[01:06:29] interrupt()/[01:06:52] setenabled()/[01:07:31] getcontentpane()/[01:07:41] pack(), setvisible()/[01:07:47] ½ÇÇà, °á°ú È®ÀÎ
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14.54ºÐ
Swing3
Swing worker¸¦ ÀÌ¿ëÇÏÁö ¾Ê¾ÒÀ» °æ¿ì, Swing worker¸¦ ÀÌ¿ëÇÑ °æ¿ì, Swing worker ÁøÇà·üó¸® ¼³¸í ¹× ¿¹Á¦, Swing worker ÁøÇà·üó¸®(Ãë¼Ò) ¿¹Á¦, Swing Worker¸¦ ÀÌ¿ëÇÏÁö ¾ÊÀº ÆÄÀÏ º¹»ç ¿¹Á¦, Swing Worker¸¦ ÀÌ¿ëÇÑ ÆÄÀÏ º¹»ç ¿¹Á¦, Swing Worker¸¦ ÀÌ¿ëÇÑ ÆÄÀÏ º¹»ç ÁøÇà·ü Ç¥Çö ¿¹Á¦
º°µµÀÇ thread, ui ÀÛ¾÷À» ÇÏÁö ¾Ê¾ÒÀ» °æ¿ì ¿¹Á¦/setdefaultcloseoperation/new jbutton/setenabled(false)/add()/init()/½ÇÇà, °á°ú È®ÀÎ/swingworker¸¦ »ç¿ëÇÑ °æ¿ì ¿¹Á¦/init()/addactionlistener()/waitworker/override/thread.sleep()/init(), pack(), setvisible()/½ÇÇà, °á°ú È®ÀÎ/ÁøÇà·ü ó¸® ¿¹Á¦/settitle/add()/swingworker/max count, sleep time/while¹®/return/addpropertychangelistener/propertychange()/pcevt.getpropertyname()/setvalue()/½ÇÇà, °á°ú È®ÀÎ/Ãë¼ÒÇϰíÀÚ ÇÏ´Â ¹öư Ãß°¡ÇÏ¿© ±¸ÇöÇÏ´Â ¿¹Á¦/jprogressbar/init()/Ãë¼Ò¹öư »ý¼º/setenabled()/propertychange()/setvalue()/addactionlistener/Ãë¼Ò¹öư ºñ¼ºÈ, ÁøÇà¹öư Ȱ¼ºÈ/add()/thread.sleep()/½ÇÇà, °á°ú È®ÀÎ/ÆÄÀÏ ¼±ÅÃ, ¼±ÅÃÇÑ ÆÄÀÏ º¹»ç ÇÏ´Â ¿¹Á¦/ÆÄÀÏ ÀúÀå½Ã swingworker¸¦ »ç¿ëÇÏÁö ¾ÊÀ» °æ¿ì ¿¹Á¦/jpanel, jbutton/jfilechooser ¼³Á¤/init()/setacceptallfilefilterused()/accept()/getname()/ÆÄÀÏ ¿±â »ý¼º/setactioncommand()/addactionlistener/jbutton »ý¼º/jtextarea ÄÄÆ÷³ÍÆ® Ãß°¡/flowlayout/borderlayout()/borderlayout.center/actionperformed/getactioncommand()/¿±â ¹öư À̺¥Æ® »ìÆìº¸±â/showopendialog/if, getselectedfile()/ÀúÀå ¹öư À̺¥Æ® »ìÆìº¸±â/showsavedialog/writefile()/bufferedinputstream, bufferedoutputstream/int read/while¹®, write()/return false/showsavedialog()/log.append/init(), pack(), setvisible(true)/½ÇÇà, °á°ú È®ÀÎ/Áö³ ¿¹Á¦¸¦ ÀÌ¿ëÇÏ¿© °³¼±ÇÏ´Â ¿¹Á¦/jprogressbar/init()/open, save º¯¼ö »ý¼º/log º¯¼ö »ý¼º/progressbar »ý¼º/flowlayout()/main panel »ý¼º/progressbar Ãß°¡/¿±â ¹öư Ŭ¸¯ÇßÀ» ¶§ ó¸®ÇÏ´Â À̺¥Æ® »ìÆìº¸±â/open action command/ÀúÀå ¹öư Ŭ¸¯ÇßÀ» ¶§ ó¸®ÇÏ´Â À̺¥Æ® »ìÆìº¸±â/actioncommand/ÁÖÀDZí°Ô »ìÆìº¼ Á¡/filecopyworker/return null/totalsize, progress/int read/percent/write()/return percent/addpropertychangelistener/propertychange/execute()/½ÇÇà, °á°ú È®ÀÎ
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15.34ºÐ
JTable
¹è¿À» »ç¿ëÇÑ ¿¹Á¦, Vector¸¦ »ç¿ëÇÑ ¿¹Á¦, CsvÆÄÀÏ Import ±â´É, export ±â´É
JTable ±âº» array »ç¿ë ¿¹Á¦/exit_on_close/init()/add()/init()/½ÇÇà, °á°ú È®ÀÎ/2Â÷¿ø ¹è¿, º¤ÅÍ/Ä÷º¼Ç º¤Å͸¦ »ç¿ëÇÏ¿© jtableÀ» ±¸ÇöÇÏ´Â ¿¹Á¦/defaulttablemodel/»ý¼ºÀÚ, ´Ý±â ¿É¼Ç/init()/addelement()/addrow()/main ¸Þ¼Òµå/½ÇÇàµÈ ȸé È®ÀÎ/csv ÆÄÀÏ ¿¹Á¦/jfilechooser/setdefaultcloseoperation/init()/setacceptallfilefilterused(false)/accept()/addactionlistener()/e.getactioncommand()/showopendialog/getabsolutepath()/readfile()/arraylist/while/split(±¸ºÐÀÚ ±âÈ£)/if, else/resultmap.put()/printtable/get()/setcolumnidentifiers()/setmodel()/printtable/ȸ鿡 Ç¥½ÃÇÒ µ¥ÀÌÅÍ È®ÀÎ/ÅØ½ºÆ® ÆÄÀÏ ¿±â·Î ȸé Ãâ·ÂÇϱâ/ȸéÀÇ ±¸¼º/imort, export ÇÒ¼ö ÀÖ´Â ¿¹Á¦/jpanel ¼±¾ð/jfilechooser Ãß°¡/»ý¼ºÀÚ, init()/jfilechooser »ý¼º/seteditable(false)/addactionlistener()/add()/readfile()/Á¶°Ç¹®/showsavedialog()/writefile()/defaultmodel/getcolumnname()/getrowcount()/getvalueat()/ij¸®Áö ¸®ÅÏ, ¶óÀÎ Çǵå/return true/½ÇÇà, °á°ú È®ÀÎ/ÆÄÀÏ ÀúÀå ¿©ºÎ È®ÀÎ
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16.35ºÐ
NIO
NIO¸¦ ÀÌ¿ëÇÑ ¹®ÀÚ»ý¼º±â Ŭ¶óÀ̾ðÆ®(Blocking ¹æ½Ä), NIO¸¦ ÀÌ¿ëÇÑ ¹®ÀÚ»ý¼º±â Ŭ¶óÀ̾ðÆ®(Non-Blocking ¹æ½Ä), NIO¸¦ ÀÌ¿ëÇÑ ¹®ÀÚ»ý¼º±â ¼¹ö, NIO¸¦ ÀÌ¿ëÇÑ ¿¡ÄÚ¼¹ö
nio¸¦ ÀÌ¿ëÇÑ ¹®Àڹ߻ý±â ¿¹Á¦/¹®Àڹ߻ý±â À̹ÌÁö È®ÀÎ/¾Æ½ºÅ°ÄÚµå/nio¸¦ ÀÌ¿ëÇÑ Å¬¶óÀÌ¾ðÆ® ¿¹Á¦/Ŭ¶óÀÌ¾ðÆ® »ìÆìº¸±â/new inetsocketaddress()/open()/bytebuffer/ij¸®Áö ¸®ÅÏ, ¶óÀÎ Çǵå/Ç¥ÁØÃâ·Â¿¡ µ¥ÀÌÅÍ Ãâ·ÂÇϱâ/read()/flip()/write()/clear()/½ÇÇà, °á°ú È®ÀÎ/¾Æ½ºÅ°ÄÚµå °ª È®ÀÎ/NonBlocking I/O ¿¹Á¦/open()/NonBlocking ¹æ½Ä/system.out/NonBlocking, read()/¹«ÇÑ ·çÇÁ ±¸¹®/clear()/½ÇÇà, °á°ú È®ÀÎ/server »ìÆìº¸±â/¾Æ½ºÅ° ÄÚµå(¹®ÀÚ¿) ÁöÁ¤/for¹®/½ºÆäÀ̽º ¹®ÀÚ¿ Ű Äڵ尪(32¹ø)/¼¹ö¼ÒÄÏä³Î °´Ã¼¸¦ »ý¼º/NonBlocking i/o ¹æ½Ä/open()/bind()/NonBlocking i/o ¹æ½Ä »ç¿ë/¼¿·ºÅÍ »ý¼º/register()/Ŭ¶óÀÌ¾ðÆ®¿Í ¿¬°áÇÏ°í µ¥ÀÌÅÍ Àü¼ÛÇϱâ/NonBlocking i/o ¹æ½Ä/selectedkeys()/iterator.next()/op_accept/channel()/register()/attachment()/rewind()/flip()/try, catch¹®/close()/½ÇÇà, °á°ú È®ÀÎ/¹®ÀÚ¿ »ý¼º±â ¿¹Á¦/¿¡ÄÚ ¼¹ö¿Í Ŭ¶óÀÌ¾ðÆ® »ìÆìº¸±â/echoserver/open()/while¹®/selectedkeys()/iterator.remove()/accept()/register()/channel()/flip()/compact()/½ÇÇà, °á°ú È®ÀÎ