{"id":31,"date":"2023-08-15T14:58:15","date_gmt":"2023-08-15T05:58:15","guid":{"rendered":"https:\/\/blog.mumooinfo.com\/?p=31"},"modified":"2023-10-10T23:12:10","modified_gmt":"2023-10-10T14:12:10","slug":"java%ec%9d%98-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ed%83%80%ec%9e%85","status":"publish","type":"post","link":"https:\/\/mumooinfo.com\/programming\/java%ec%9d%98-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ed%83%80%ec%9e%85\/","title":{"rendered":"JAVA\uc758 \ub370\uc774\ud130 \ud0c0\uc785"},"content":{"rendered":"\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n<div class=\"wp-block-image\">\r\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"533\" height=\"533\" class=\"wp-image-34 aligncenter\" src=\"https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-1.jpg\" alt=\"\" srcset=\"https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-1.jpg 533w, https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-1-300x300.jpg 300w, https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-1-150x150.jpg 150w\" sizes=\"(max-width: 533px) 100vw, 533px\" \/><\/figure><\/div>\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">JAVA \ub370\uc774\ud130 \uc720\ud615<\/h2>\r\n\r\n\r\n\r\n<p>Java\uc5d0\uc11c \ub370\uc774\ud130 \uc720\ud615\uc740 \ubcc0\uc218\uac00 \ubcf4\uc720\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \uc720\ud615\uc744 \uc9c0\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. Java\uc5d0\ub294 \uae30\ubcf8 \ub370\uc774\ud130 \uc720\ud615\uacfc \ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uc758 \ub450 \uac00\uc9c0 \ub370\uc774\ud130 \uc720\ud615 \ubc94\uc8fc\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n<center>\r\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-4435445268668222\" crossorigin=\"anonymous\"><\/script>\r\n<!-- [\ub514\uc2a4\ud50c\ub808\uc774 \uad11\uace0] \ubc18\uc751\ud615 \uc6cc\ub4dc\ud504\ub808\uc2a4 \ubcf8\ubb38 -->\r\n<ins class=\"adsbygoogle\" style=\"display: block;\" data-ad-client=\"ca-pub-4435445268668222\" data-ad-slot=\"9091536397\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\r\n<\/center>\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\uae30\ubcf8 \ub370\uc774\ud130 \uc720\ud615<\/h3>\r\n\r\n\r\n\r\n<p>\uc6d0\uc2dc \ub370\uc774\ud130 \uc720\ud615\uc740 Java\uc5d0\uc11c \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \ub370\uc774\ud130 \uc720\ud615\uc785\ub2c8\ub2e4. \ub2e8\uc77c \uac12\uc744 \ub098\ud0c0\ub0b4\uba70 \uac1d\uccb4\uac00 \uc544\ub2d9\ub2c8\ub2e4. Java\uc5d0\ub294 8\uac00\uc9c0 \uae30\ubcf8 \ub370\uc774\ud130 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">byte<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>8\ube44\ud2b8 \ubd80\ud638 \uc788\ub294 \uc815\uc218\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\r\n\r\n\r\n\r\n<li>\uac12\uc758 \ubc94\uc704\ub294 -128 ~ 127 \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">short<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>16\ube44\ud2b8 \ubd80\ud638 \uc788\ub294 \uc815\uc218\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\r\n\r\n\r\n\r\n<li>\uac12\uc758 \ubc94\uc704\ub294 -32768 ~ 32767 \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">int<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>32\ube44\ud2b8 \ubd80\ud638 \uc788\ub294 \uc815\uc218\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\r\n\r\n\r\n\r\n<li>\uac12\uc758 \ubc94\uc704\ub294 -2147483648 ~ 2147483647 \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">long<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>64\ube44\ud2b8 \ubd80\ud638 \uc788\ub294 \uc815\uc218\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\r\n\r\n\r\n\r\n<li>\uac12\uc758 \ubc94\uc704\ub294 -9223372036854775808 ~ 9223372036854775807 \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">float<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>32\ube44\ud2b8 \ubd80\ub3d9 \uc18c\uc218\uc810 \uc22b\uc790\ub97c \ub098\ud0c0\ub0b4\uba70, \uc18c\uc218\uc810 \uc774\ud558 \uc57d 6 ~ 7 \uc790\ub9ac \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">double<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>64\ube44\ud2b8 \ubd80\ub3d9 \uc18c\uc218\uc810 \uc22b\uc790\ub97c \ub098\ud0c0\ub0b4\uba70, \uc18c\uc218\uc810 \uc774\ud558 \uc57d 15 \uc790\ub9ac \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">char<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\ub2e8\uc77c 16\ube44\ud2b8 \uc720\ub2c8\ucf54\ub4dc \ubb38\uc790\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\r\n\r\n\r\n\r\n<li>\uac12\uc758 \ubc94\uc704\ub294 \uc790\ubc14 \uc5b8\uc5b4\uac00 \uc9c0\uc6d0\ud558\ub294 \ubaa8\ub4e0 \uc720\ub2c8\ucf54\ub4dc \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">boolean<\/h4>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\ucc38 \ub610\ub294 \uac70\uc9d3 \uac12\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\r\n\r\n\r\n\r\n<li>\uac12\uc758 \ubc94\uc704\ub294 true \ub610\ub294 false \uc785\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615<\/h3>\r\n\r\n\r\n\r\n<p>Java\uc758 \ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uc740 \ub370\uc774\ud130\ub97c \uc9c1\uc811 \ubcf4\uc720\ud558\ub294 \ub300\uc2e0 \uac1c\uccb4\ub97c \ucc38\uc870\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub370\uc774\ud130 \uc720\ud615\uc740 \ud799 \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ub41c \uc2e4\uc81c \uac1c\uccb4\uc5d0 \ub300\ud55c \uba54\ubaa8\ub9ac \uc8fc\uc18c \ub610\ub294 \ucc38\uc870\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uc5d0 \ub300\ud574 \uc774\ud574\ud574\uc57c \ud560 \uba87 \uac00\uc9c0 \ud575\uc2ec \uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">\uac1d\uccb4<\/h4>\r\n\r\n\r\n\r\n<p>Java\uc5d0\uc11c \ub300\ubd80\ubd84\uc758 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uad6c\uc870\ub294 \ud074\ub798\uc2a4\uc640 \uac1d\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc0dd\uc131\ub429\ub2c8\ub2e4. \uac1c\uccb4\ub294 \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\uc774\uba70 \ub370\uc774\ud130(\uc18d\uc131 \ub610\ub294 \ud544\ub4dc)\uc640 \uba54\uc11c\ub4dc(\ud568\uc218 \ub610\ub294 \ub3d9\uc791)\ub97c \ubaa8\ub450 \ud3ec\ud568\ud569\ub2c8\ub2e4. \ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uc740 \uac1c\uccb4 \uc791\uc5c5\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">\uba54\ubaa8\ub9ac \ud560\ub2f9<\/h4>\r\n\r\n\r\n\r\n<p>new \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac1c\uccb4\ub97c \uc0dd\uc131\ud558\uba74 \ud574\ub2f9 \uac1c\uccb4\uc758 \ub370\uc774\ud130 \ubc0f \uba54\uc11c\ub4dc\ub97c \uc800\uc7a5\ud558\uae30 \uc704\ud574 \ud799\uc5d0 \uba54\ubaa8\ub9ac\uac00 \ud560\ub2f9\ub429\ub2c8\ub2e4. \ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615 \ubcc0\uc218\ub294 \uac1d\uccb4\uac00 \uc704\uce58\ud55c \uba54\ubaa8\ub9ac \uc8fc\uc18c\ub97c \ubcf4\uc720\ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">Null<\/h4>\r\n\r\n\r\n\r\n<p>\ucc38\uc870 \ubcc0\uc218\ub294 &#8216;null&#8217;\uc774\ub77c\ub294 \ud2b9\uc218 \uac12\uc744 \ubcf4\uc720\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud604\uc7ac \uac1c\uccb4\ub97c \ucc38\uc870\ud558\uc9c0 \uc54a\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 \uc720\ud6a8\ud55c \uac1c\uccb4 \ucc38\uc870\uac00 \uc5c6\uc74c\uc744 \ub098\ud0c0\ub0b4\ub824\ub294 \uacbd\uc6b0\uc5d0 \uc720\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">\ubc30\uc5f4<\/h4>\r\n\r\n\r\n\r\n<p>\ubc30\uc5f4\ub3c4 \ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uc785\ub2c8\ub2e4. \ubc30\uc5f4\uc740 \ub3d9\uc77c\ud55c \ub370\uc774\ud130 \uc720\ud615\uc758 \uc694\uc18c \ubaa8\uc74c\uc785\ub2c8\ub2e4. \ubc30\uc5f4\uc744 \ub9cc\ub4e4 \ub54c \uc2e4\uc81c\ub85c \uc5f0\uc18d \uba54\ubaa8\ub9ac \ube14\ub85d\uc5d0 \uc694\uc18c\ub97c \ubcf4\uc720\ud558\ub294 \uac1c\uccb4\ub97c \ub9cc\ub4dc\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">\uc0ac\uc6a9\uc790 \uc815\uc758 \ud074\ub798\uc2a4<\/h4>\r\n\r\n\r\n\r\n<p>\uc790\uc2e0\ub9cc\uc758 \ud074\ub798\uc2a4\ub97c \uc815\uc758\ud558\uc5ec \uc0ac\uc6a9\uc790 \uc815\uc758 \ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 Person\uc774\ub77c\ub294 \ud074\ub798\uc2a4\ub97c \uc815\uc758\ud558\ub294 \uacbd\uc6b0 new \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774 \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc73c\uba70 Person \uc720\ud615\uc758 \ubcc0\uc218\ub294 \ud574\ub2f9 \uc778\uc2a4\ud134\uc2a4\uc5d0 \ub300\ud55c \ucc38\uc870\ub97c \ubcf4\uc720\ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">\ucc38\uc870\uc5d0 \uc758\ud55c \uc804\ub2ec<\/h4>\r\n\r\n\r\n\r\n<p>\ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uc744 \uba54\uc11c\ub4dc\uc758 \uc778\uc218\ub85c \uc804\ub2ec\ud560 \ub54c \uac1c\uccb4 \uc790\uccb4\uc758 \ubcf5\uc0ac\ubcf8\uc774 \uc544\ub2c8\ub77c \ucc38\uc870\uc758 \ubcf5\uc0ac\ubcf8\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774\ub294 \uba54\uc11c\ub4dc \ub0b4\ubd80\uc758 \uac1c\uccb4\uc5d0 \ub300\ud55c \ubcc0\uacbd \uc0ac\ud56d\uc774 \uba54\uc11c\ub4dc \uc678\ubd80\uc5d0\ub3c4 \ubc18\uc601\ub428\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">\uac00\ube44\uc9c0 \uc218\uc9d1<\/h4>\r\n\r\n\r\n\r\n<p>Java\uc5d0\ub294 \ub354 \uc774\uc0c1 \ucc38\uc870\ub418\uc9c0 \uc54a\ub294 \uac1c\uccb4(\uc989, \ud574\ub2f9 \uac1c\uccb4\ub97c \uac00\ub9ac\ud0a4\ub294 \ubcc0\uc218\uac00 \uc5c6\uc74c)\ub97c \uc815\ub9ac\ud558\ub294 \uc790\ub3d9 \uba54\ubaa8\ub9ac \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uac83\uc740 \uac00\ube44\uc9c0 \uc218\uc9d1\uc774\ub77c\ub294 \ud504\ub85c\uc138\uc2a4\uc5d0 \uc758\ud574 \uc218\ud589\ub429\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n<center>\r\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-4435445268668222\" crossorigin=\"anonymous\"><\/script>\r\n<!-- [\ub514\uc2a4\ud50c\ub808\uc774 \uad11\uace0] \ubc18\uc751\ud615 \uc6cc\ub4dc\ud504\ub808\uc2a4 \ubcf8\ubb38 -->\r\n<ins class=\"adsbygoogle\" style=\"display: block;\" data-ad-client=\"ca-pub-4435445268668222\" data-ad-slot=\"9091536397\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\r\n<\/center>\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p>\ucc38\uc870 \ub370\uc774\ud130 \uc720\ud615\uacfc \uc791\ub3d9 \ubc29\uc2dd\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 Java\uc758 \ud6a8\uacfc\uc801\uc778 \uba54\ubaa8\ub9ac \uad00\ub9ac \ubc0f \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc5d0 \uc911\uc694\ud558\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \uba54\ubaa8\ub9ac \ubc0f \ucc38\uc870\ub97c \uc801\uc808\ud558\uac8c \uad00\ub9ac\ud558\uba74 \uba54\ubaa8\ub9ac \ub204\uc218\ub97c \ubc29\uc9c0\ud558\uace0 \uc2dc\uc2a4\ud15c \ub9ac\uc18c\uc2a4\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; JAVA \ub370\uc774\ud130 \uc720\ud615 Java\uc5d0\uc11c \ub370\uc774\ud130 \uc720\ud615\uc740 \ubcc0\uc218\uac00 \ubcf4\uc720\ud560 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":34,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-31","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/posts\/31"}],"collection":[{"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/comments?post=31"}],"version-history":[{"count":3,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/posts\/31\/revisions"}],"predecessor-version":[{"id":547,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/posts\/31\/revisions\/547"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/media\/34"}],"wp:attachment":[{"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/media?parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/categories?post=31"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/tags?post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}