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Àü¹®°­»ç : ¾ËÁö¿À R&D [IT]

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ÄÚÆ²¸°Àº ÀÚ¹Ù°¡»ó¸Ó½Å(JVM)°ú ¾Èµå·ÎÀ̵忡¼­ Ȱ¿ëÇÒ ¼ö ÀÖ´Â ÇÁ·Î±×·¡¹Ö ¾ð¾îÀ̸ç, ÀÚ¹Ù¿Í ÇÔ²² ÀÌ¿ëÇϸé ÀÚ¹ÙÀÇ ÇѰ踦 ±Øº¹ÇÒ ¼ö ÀÖ½À´Ï´Ù. ÄÚÆ²¸° ÇÁ·Î±×·¡¹Ö ¹®¹ýÀÌ °£°áÇϸç ÄÚµå ±æÀ̰¡ ª±â¶§¹®¿¡ À¯Áöº¸¼ö°¡ Æí¸®ÇÏ°í ¾ÈÁ¤ÀûÀ̰í, ÄÄÆÄÀÏ ¼Óµµ°¡ ºü¸£°í ·±Å¸ÀÓ Å©±â°¡ À۾Ƽ­ ¾Èµå·ÎÀ̵忡 ³Ö±â ÁÁ½À´Ï´Ù. ¾ËÁö¿À °­Á¸¦ ÅëÇØ ÄÚÆ²¸°ÀÇ ÄÚµù¹æ¹ýÀ» È®½ÇÈ÷ ¹è¿ö ÄÚÆ²¸° °³¹ßÀÚÀÇ ±æ·Î µé¾î¼³ ¼ö ÀÖ½À´Ï´Ù.
  • 01.29ºÐ ÄÚÆ²¸° ±âÃÊ

    ÄÚÆ²¸° ±âÃÊ¿¡ ´ëÇØ ÇнÀÇÕ´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] ÄÚÆ²¸° ´Ù¿î·Îµå ¹× ¼³Ä¡/[02:35] New Project »ý¼º/[07:45] New Kotilin File »ý¼º/[09:30] ÄÚÆ²¸° ¼³Á¤/[10:50] ¸ÞÀÎ ÇÔ¼ö Ãâ·Â/[14:14] º¯¼ö¸¦ ÅëÇÑ ÇÁ¸°Æ®/[18:00] sum ÇÔ¼ö ½Ç½À
  • 02.27ºÐ ÄÚÆ²¸°ÀÇ Å¸ÀÔ°ú ±â´É

    ÄÚÆ²¸°ÀÇ Å¸ÀÔ°ú ±â´É¿¡ ´ëÇØ ÇнÀÇÕ´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] ÄÚÆ²¸°ÀÇ »ó¼ö/[04:00] ÄÚÆ²¸°ÀÇ º¯¼ö/[06:15] Äڵ鸰À» ÅëÇÑ ÄÚµù ½Ç½À (if)/[10:25] null/[14:00] null Ȱ¿ë ½Ç½À/[14:55] interface/[16:50] class/[19:00] nullÀ» ÀúÀåÇÏ´Â ¹æ¹ý/[26:05] get¹æ½ÄÀÇ Á¤ÀÇ
  • 03.30ºÐ ÄÚÆ²¸°ÀÇ ±â´É 1

    Nullable, Elvis Operator, when ÄÚµùÀ» ½Ç½ÀÇÕ´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] Nullable ½Ç½À/[02:25] Elvis Operator ½Ç½À/[06:30] is ¿¬»êÀÚ/[12:07] Ãß°¡ ½Ç½À ¾È³»/[13:50] listof/[21:45] when Á¶°Ç¹® ½Ç½À/[26:15] in ¿¬»êÀÚ
  • 04.30ºÐ ÄÚÆ²¸°ÀÇ ±â´É 2

    lastindex, insices, step, downto, rangeto, when, filter, foreachÀ» ½Ç½ÀÇϰí ÀÚ·áÇü ¹æ½Ä¿¡ ´ëÇØ ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] lastindex, indices ÄÚµù/[04:25] lastindex/[05:35] indices/[06:40] step/[09:30] downto/[11:40] rangeto/[12:25] when/[16:37] filter/[18:05] foreach/[20:00] ÀÚ·áÇü
  • 05.30ºÐ ÄÚÆ²¸°ÀÇ ±â´É 3

    intÇü Çüº¯È¯, Boolean ¿¬»êÀÚ, trimMargin ÇÔ¼ö, ÄÚÆ²¸° Á¦¾î, ¹®ÀÚ¿­ ÅÛÇø´¿¡ ´ëÇØ ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] int Çü º¯È¯/[03:10] Boolean ŸÀÔ ¿¬»êÀÚ/[04:04] get ¹æ½Ä, set ¹æ½Ä, size ¸Þ¼Òµå/[04:20] Array class Generic ŸÀÔ Á¤ÀÇ/[06:32] ÄÚÆ²¸° ¹è¿­ ¿¹½Ã/[09:43] literal ½Ç½À/[12:27] trimMargin ÇÔ¼ö/[17:57] ¹®ÀÚ¿­ ÅÛÇø´/[21:07] ÄÚÆ²¸°Á¦¾î/[25:43] return, break, continue /[26:06] @(¶óº§) Á¤ÀÇ/[28:24] ÁýÇÕÇ¥Çö ±¸Çö (Nested, outer-¶÷´ÙÇ¥Çö½Ä)
  • 06.24ºÐ ÄÚÆ²¸°ÀÇ ±â´É 4

    ¶÷´Ù À͸íÇÔ¼ö¿Í classÀÇ Á¤ÀÇ¿¡ ´ëÇØ ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] ¶÷´Ù À͸íÇÔ¼ö·Î ´ëó/[01:01] class ÇнÀ/[04:00] class init Ű¿öµå ÃʱâÈ­/[05:20] ÇÔ¼ö toUpperCase Á¤ÀÇ/[06:50] ÇѰ³ ÀÌ»óÀÇ »ý¼ºÀÚ »ý¼º ½Ç½À/[08:59] class this Ű¿öµå/[11:15] open class Á¤ÀÇ¿Í ÀçÁ¤ÀÇ/[15:02] class Àç¼³¸í/[18:34] ±âº»»ý¼ºÀÚ/[20:50] class ±âº»»ý¼ºÀÚ Á¤ÀÇ
  • 07.27ºÐ ÄÚÆ²¸°ÀÇ ±â´É 5

    class Property »ý¼º°ú, class Any typeÀ» ¾Ë¾Æº¸°í open calss »ó¼Ó ½Ç½ÀÀ» ÇØº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] class ¿¡·¯ ¼³¸í/[01:32] Ãâ·Â È®ÀÎ/[02:18] Property (getter, setter)»ý¼º/[07:06] ±âº»»ý¼ºÀÚ, sub»ý¼ºÀÚ/[12:54] class ¸â¹ö/[13:53] Any type/[16:00] Any type À¯Çü(equals, hashCode, toString)/[18:39] open calss »ó¼Ó ½Ç½À/[25:46] method overriding
  • 08.29ºÐ ÄÚÆ²¸°ÀÇ ±â´É 6

    override¸¦ ½Ç½ÀÇØº¸°í property¿¡ ´ëÇØ¼­ ¾Ë¾Æº¸¸ç ÇÔ¼ö¿Í ÀÏ¹Ý º¯¼ö ÇÔ¼ö È£ÃâÀ» ½Ç½ÀÇØ º¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] override Á¤ÀÇ /[03:21] override property Á¤ÀÇ/[06:11] interface Á¤ÀÇ/[06:53] classÀÇ open class¿Í interface Á¤ÀÇ/[11:11] Ãâ·Â È®ÀÎ/[13:00] Ãß»óÀûÀÎ class Á¤ÀÇ /[14:52] classÀÇ Property º¯¼ö Á¤ÀÇ/[16:57] Property ÇÔ¼ö È£Ãâ /[21:15] Ãâ·Â È®ÀÎ/[23:13] Property ÀÏ¹Ý º¯¼ö ÇÔ¼ö È£Ãâ/[27:09] get¹æ½Ä°ú set¹æ½Ä
  • 09.28ºÐ ÄÚÆ²¸°ÀÇ ±â´É 7

    Backing Fields¿Í initÀÇ ÃʱâÈ­µÈ ¼Ó¼º°ú º¯¼ö¿¡ ´ëÇØ¼­ ¾Ë¾Æº¸°í ½Ç½ÀÇØ º¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] Automatic Backing Fields/[01:07] setter¿Í getter ¹æ½ÄÀÇ Field Á¤ÀÇ/[05:41] Backing Properties ¿¹Á¦/[08:35] const (»ó¼ö ÄÄÆÄÀÏ)/[11:09] Properties ¼±¾ð (not null type)/[12:29] init ÃʱâÈ­µÈ ¼Ó¼º°ú º¯¼ö/[14:39] init ¿À·ù È®ÀÎ/[17:06] lateinit ¿¹Á¦ È®ÀÎ ÄÚµù/[18:24] Data classÀÇ Utility/[22:53] Data class Ãâ·Â È®ÀÎ/[25:15] Decompile È®ÀÎ
  • 10.21ºÐ ÄÚÆ²¸°ÀÇ ±â´É 8

    °¡»ó¸Ó½ÅÀÇ »ç¿ë, ÄÄÆÛ³ÍÆ® ÄÄÆÄÀÏ ÀÚµ¿»ý¼º, Standard Data Classes, Sealed class¿¡ ´ëÇØ¼­ ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] java °¡»ó¸Ó½ÅÀÇ »ç¿ë/[02:41] Ãâ·Â toString Decompile È®ÀÎ /[04:03] Ãâ·Â°ª º¯°æ/[06:57] ÄÄÆÛ³ÍÆ® ÇÔ¼ö ÄÄÆÄÀÏ ÀÚµ¿»ý¼º/[09:52] Decompile È®ÀÎ/[11:02] Standard Data ClassesÀÇ Pair°ú Triple/[15:00] Sealed class/[17:23] ÄÚÆ²¸°ÀÇ Generic
  • 11.25ºÐ ÄÚÆ²¸°ÀÇ ±â´É 9

    Generic Á¤ÀÇ¿¡ ´ëÇØ¼­ ¾Ë¾Æº¸°í Áßø, ³»ºÎ, ÀÍ¸í³»ºÎ class ±¸Á¶Ã¼¿¡ ´ëÇØ¼­ ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] ÄÚÆ²¸°¿¡¼­ÀÇ Generic Á¤ÀÇ/[03:36] List Generic Á¤ÀÇ/[05:42] out ¼Ò½º ¿¹Á¦/[07:52] Áßø class/[11:13] ³»ºÎ class/[14:53] init, root class ÄÚµù/[20:55] ÀÍ¸í³»ºÎ class (°´Ã¼Ç¥Çö½Ä)
  • 12.24ºÐ ÄÚÆ²¸°ÀÇ ±â´É 10

    Object °´Ã¼ Ç¥Çö½Ä, ¼±¾ð½Ä°ú µ¿¹Ý °´Ã¼¿¡ ´ëÇØ¼­ ¾Ë¾Æº¸°í ¼±¾ð½Ä ½Ì±ÛÅæ ÆÐÅÏÀ» ½Ç½ÀÇØ º¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] Object °´Ã¼ Ç¥Çö½Ä/[07:12] Ãâ·Â È®ÀÎ /[08:07] ObjectÀÇ supper type/[09:37] °´Ã¼ Ç¥ÇöÀÇ ÀÍ¸í °´Ã¼/[11:41] Object °´Ã¼ ¼±¾ð½Ä/[15:35] Object µ¿¹Ý °´Ã¼/[17:48] Singleton pattern Ãâ·Â/[19:48] classÀÇ À§ÀÓ
  • 13.21ºÐ ÄÚÆ²¸°ÀÇ ±â´É 11

    byÀýÀÇ À§ÀÓµÈ Delegate classÈ­ ÇØº¸°í lazy ÇÔ¼ö ÃʱâÈ­¿¡ ´ëÇØ¼­ ¾Ë¾Æº¸°í ½Ç½ÀÇØ º¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] byÀý(Property Delegate) /[03:56] lazy(¶÷´Ù) get¹æ½Ä ¹Ýȯ Ãâ·Â/[06:48] Decompile È®ÀÎ /[10:46] Lazy(¶÷´Ù) ÇÔ¼ö ÃʱâÈ­/[12:16] ÇÔ¼ö ±âº» ÄÚµù/[14:15] methodÀÇ ÀçÁ¤ÀÇ/[15:18] ±âº» °ª ÇÔ¼ö »ç¿ë/[17:01] Named Arguments/[23:21] ´ÜÀÏ Ç¥Çö½Ä ÇÔ¼ö/[24:44] ÇÔ¼öÀÇ ´ÜÀ§ º¯È¯/[25:21] ´ÜÀ§ Ç¥Çö½Ä ÇÔ¼ö
  • 14.29ºÐ ÄÚÆ²¸°ÀÇ ±â´É 12

    °¡º¯Àμö, Áö¿ªÇÔ¼ö, Àü¿ªÇÔ¼ö, °íÂ÷ÇÔ¼ö, È®ÀåÇÔ¼ö¿¡ ´ëÇØ ¾Ë¾Æº¸°í Á¾ÇÕÀûÀÎ ÇÔ¼ö ÄÚµù ½Ç½ÀÀ» ÇØº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] °¡º¯Àμö vararg/[01:58] infix/[02:43] Áö¿ªÇÔ¼ö, Àü¿ªÇÔ¼ö/[06:52] ¿ÜºÎÇÔ¼öÀÇ ·ÎÄú¯¼ö ¿¹Á¦/[07:06] ¸â¹öÇÔ¼ö/[09:31] Á¦³×¸¯ ÇÔ¼ö/[12:49] °íÂ÷ÇÔ¼ö/[15:38] È®ÀåÇÔ¼ö/[21:05] ÄÚµù ½Ç½À/[24:21] È®ÀåÇÔ¼ö Á¤¸®/[24:56] °íÂ÷ÇÔ¼ö¿Í ¶÷´Ù
  • 15.28ºÐ ÄÚÆ²¸°ÀÇ ±â´É 13

    ²¿¸® Àç±Í ÇÔ¼ö, °íÂ÷ÇÔ¼ö, ºÐÇØ¼±¾ð, Collections°ú Range to ¿¬»êÀÚ¿¡ ´ëÇØ¼­ ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] ²¿¸® Àç±Í ÇÔ¼ö (tailrec)/[05:10] °íÂ÷ÇÔ¼ö/[08:52] ºÐÇØ¼±¾ð/[11:06] ¿É¼Å³Î ¹ÝȯÇü½Ä/[12:39] Ç¥ÁØ ¶óÀ̺귯¸®/[13:54] ¼Ò¸ê¼±¾ð/[15:00] componentN ¼Ò¸ê¼±¾ð ¿¹Á¦/[16:51] Data Class ÄÚµù/[18:48] Collections/[21:58] Range to ¿¬»êÀÚ
  • 16.25ºÐ ÄÚÆ²¸°ÀÇ ±â´É 14

    À¯Çü°Ë»ç(Smart Cast), Ç¥Çö½Ä, Equality, ´ÜÇ× ¿¬»êÀÚ¿¡ ´ëÇØ ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] À¯Çü°Ë»ç(Cast-is, !is)/[03:52] &&¿Í ///[05:25] À¯Çü°Ë»ç(Smart Cast-as)/[08:29] ¾ÈÀüÇÑ Ä³½ºÆÃ ¿î¿µÀÚ/[09:42] À¯Çü°Ë»ç(Smart Cast) ½Ç½À/[13:54] Ç¥Çö½Ä/[17:02] Equality/[22:16] ´ÜÇ× ¿¬»êÀÚ over load/[24:03] ´ÜÇ× Á¢µÎ ¿¬»ê
  • 17.28ºÐ ÄÚÆ²¸°ÀÇ ±â´É 15

    ´Ù¾çÇÑ ¿¬»ê°ú ¿¬»êÀÚÀÇ ¿¹½Ã¸¦ ¾Ë¾Æº¸°í nullÀÇ Ã³¸® ±â¹ý°ú ³ÎÀ» Çã¿ëÇϴ ŸÀÔÀ» ¾Ë¾Æº¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] ¿¹¾à¾î /[00:58] ´ÜÇ× ¿¬»ê ½Ç½À/[03:42] ÇÒ´ç ¿¬»ê º¯¼öÁ¤ÀÇ/[04:20] »ê¼ú ¿¬»ê ½Ç½À/[05:57] Ç×µî ¿¬»ê/[07:58] ³í¸®¿¬»êÀÚ/[09:04] in ¿¬»êÀÚ/[10:45] index Á¢±Ù ¿¬»êÀÚ/[12:30] null ó¸® ±â¹ý/[16:34] nullable ÂüÁ¶ /[20:01] nullable ÂüÁ¶ let ÇÔ¼ö/[25:03] nullÀÇ Çã¿ë
  • 18.35ºÐ ÄÚÆ²¸°ÀÇ ±â´É 16

    ¿¹¿Ü ClassÀÇ Ã³¸®¹æ¹ý°ú È®ÀåÇÔ¼ö, ÁÖ¼® ¼±¾ð, ´Ù¾çÇÑ ÂüÁ¶¿¡ ¾Ë¾Æº¸°í ÀνºÅϽº ÂüÁ¶¸¦ ½Ç½ÀÇØ º¾´Ï´Ù.

    Ã¥°¥ÇÇ[00:00] ¿¹¿Ü class(exception class)/[04:33] runtime ¿¹¿Ü ó¸® ¹æ¹ý/[06:06] È®ÀåÇÔ¼ö/[08:12] ¹ÝȯÇÔ¼ö nothing, throw À¯Çü/[13:30] ÁÖ¼® ¼±¾ð/[14:54] ¼Ó¼ºÁ¢±ÙÀÚÀÇ ÁÖ¼®/[17:26] ÁÖ¼® »ý¼º ¹æ¹ý/[21:39] Class ÂüÁ¶/[23:02] ÇÔ¼ö ÂüÁ¶/[25:51] ¼Ó¼º ÂüÁ¶ /[27:15] JAVA »óÈ£ ¿î¿µ/[28:29] »ý¼ºÀÚ ÂüÁ¶/[29:42] ¹Ù¿îµå ÂüÁ¶/[30:55] ÀνºÅϽº ÂüÁ¶ ½Ç½À


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