{"id":102,"date":"2023-08-20T16:44:43","date_gmt":"2023-08-20T07:44:43","guid":{"rendered":"https:\/\/blog.mumooinfo.com\/?p=102"},"modified":"2023-10-10T22:50:45","modified_gmt":"2023-10-10T13:50:45","slug":"java%ec%9d%98-%ec%b6%94%ec%83%81%ed%81%b4%eb%9e%98%ec%8a%a4%ec%99%80-%ec%b6%94%ec%83%81%eb%a9%94%ec%84%9c%eb%93%9c","status":"publish","type":"post","link":"https:\/\/mumooinfo.com\/programming\/java%ec%9d%98-%ec%b6%94%ec%83%81%ed%81%b4%eb%9e%98%ec%8a%a4%ec%99%80-%ec%b6%94%ec%83%81%eb%a9%94%ec%84%9c%eb%93%9c\/","title":{"rendered":"JAVA\uc758 \ucd94\uc0c1\ud074\ub798\uc2a4\uc640 \ucd94\uc0c1\uba54\uc11c\ub4dc"},"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-103 aligncenter\" src=\"https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-11.jpg\" alt=\"\" srcset=\"https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-11.jpg 533w, https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-11-300x300.jpg 300w, https:\/\/mumooinfo.com\/wp-content\/uploads\/2023\/08\/\uc81c\ubaa9\uc744-\uc785\ub825\ud574\uc8fc\uc138\uc694_-001-11-150x150.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\">\ucd94\uc0c1\ud074\ub798\uc2a4(Abstract Classes)<\/h2>\r\n\r\n\r\n\r\n<p>Java\uc758 \ucd94\uc0c1 \ud074\ub798\uc2a4\ub294 \uc790\uccb4\uc801\uc73c\ub85c \uc778\uc2a4\ud134\uc2a4\ud654\ud560 \uc218 \uc5c6\uc9c0\ub9cc \ub2e4\ub978 \ud074\ub798\uc2a4\uc758 \uccad\uc0ac\uc9c4 \uc5ed\ud560\uc744 \ud560 \uc218 \uc788\ub294 \ud074\ub798\uc2a4\uc785\ub2c8\ub2e4. \uc11c\ube0c\ud074\ub798\uc2f1\uc744 \uc758\ubbf8\ud558\ub294 \ud074\ub798\uc2a4\uc774\uba70 \uc77c\ubc18(\uad6c\uccb4\uc801) \uba54\uc11c\ub4dc\uc640 \ucd94\uc0c1 \uba54\uc11c\ub4dc\uac00 \ud63c\ud569\ub418\uc5b4 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad00\ub828 \ud074\ub798\uc2a4 \uadf8\ub8f9\uc5d0 \ub300\ud55c \uacf5\ud1b5 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc815\uc758\ud558\ub824\ub294 \uacbd\uc6b0 \ucd94\uc0c1 \ud074\ub798\uc2a4\uac00 \uc0ac\uc6a9\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<h3 class=\"wp-block-heading\">\ucd94\uc0c1 \ud074\ub798\uc2a4 \uc120\uc5b8<\/h3>\r\n\r\n\r\n\r\n<p>\ud074\ub798\uc2a4 \uc120\uc5b8\uc5d0\uc11c abstract \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucd94\uc0c1 \ud074\ub798\uc2a4\ub97c \uc120\uc5b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" style=\"font-size: .875rem; font-family: Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace; line-height: 1.25rem;\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\">\r\n<pre class=\"shiki nord\" style=\"background-color: #2e3440ff;\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #81a1c1;\">abstract<\/span> <span style=\"color: #81a1c1;\">class<\/span> <span style=\"color: #8fbcbb;\">Shape<\/span> <span style=\"color: #eceff4;\">{<\/span><\/span>\r\n<span class=\"line\">    <span style=\"color: #81a1c1;\">abstract<\/span> <span style=\"color: #81a1c1;\">void<\/span> <span style=\"color: #88c0d0;\">draw<\/span><span style=\"color: #eceff4;\">()<\/span><span style=\"color: #81a1c1;\">;<\/span>  <span style=\"color: #616e88;\">\/\/ Abstract method with no implementation<\/span><\/span>\r\n<span class=\"line\"><span style=\"color: #eceff4;\">}<\/span><\/span><\/code><\/pre>\r\n<\/div>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\ucd94\uc0c1 \uba54\uc11c\ub4dc<\/h3>\r\n\r\n\r\n\r\n<p>\ucd94\uc0c1 \uba54\uc11c\ub4dc\ub294 \ucd94\uc0c1 \ud074\ub798\uc2a4\uc5d0\uc11c \uc120\uc5b8\ub418\uc5c8\uc9c0\ub9cc \ucd94\uc0c1 \ud074\ub798\uc2a4 \uc790\uccb4\uc5d0\ub294 \uad6c\ud604\uc774 \uc5c6\ub294 \uba54\uc11c\ub4dc\uc785\ub2c8\ub2e4. \ubaa8\ub4e0 \ucd94\uc0c1 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud55c \uad6c\ud604\uc744 \uc81c\uacf5\ud558\ub824\uba74 \ucd94\uc0c1 \ud074\ub798\uc2a4\uc758 \ud558\uc704 \ud074\ub798\uc2a4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\uad6c\ud604 \ubc29\ubc95<\/h3>\r\n\r\n\r\n\r\n<p>\ucd94\uc0c1 \ud074\ub798\uc2a4\uc5d0\ub294 \uad6c\ud604\uc774 \uc788\ub294 \uc77c\ubc18(\uad6c\uccb4\uc801\uc778) \uba54\uc11c\ub4dc\ub3c4 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uba54\uc11c\ub4dc\ub294 \uc218\uc815\ud558\uc9c0 \uc54a\uace0 \ud558\uc704 \ud074\ub798\uc2a4\uc5d0\uc11c \uc0c1\uc18d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\ube44 \uc778\uc2a4\ud134\uc2a4\ud654<\/h3>\r\n\r\n\r\n\r\n<p>new \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucd94\uc0c1 \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \ub9cc\ub4e4 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ucd94\uc0c1 \ud074\ub798\uc2a4\ub97c \ud655\uc7a5\ud558\uace0 \uad6c\uccb4\uc801\uc778 \ud558\uc704 \ud074\ub798\uc2a4\uc5d0\uc11c \ud574\ub2f9 \ucd94\uc0c1 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud55c \uad6c\ud604\uc744 \uc81c\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\ud558\uc704 \ubd84\ub958<\/h3>\r\n\r\n\r\n\r\n<p>\ucd94\uc0c1 \ud074\ub798\uc2a4\uc758 \ud558\uc704 \ud074\ub798\uc2a4\ub294 \uc0c1\uc704 \ud074\ub798\uc2a4\uc5d0\uc11c \uc0c1\uc18d\ub41c \ubaa8\ub4e0 \ucd94\uc0c1 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud55c \uad6c\ud604\uc744 \uc81c\uacf5\ud558\uac70\ub098 \ucd94\uc0c1 \ud074\ub798\uc2a4\ub85c \uc120\uc5b8\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">\ucd94\uc0c1 \uba54\uc11c\ub4dc(Abstract Methods)<\/h2>\r\n\r\n\r\n\r\n<p>\ucd94\uc0c1 \uba54\uc11c\ub4dc\ub294 \ucd94\uc0c1 \ud074\ub798\uc2a4\uc5d0\uc11c \uc120\uc5b8\ub418\uc5c8\uc9c0\ub9cc \ud574\ub2f9 \ud074\ub798\uc2a4\uc5d0 \uad6c\ud604\uc774 \uc5c6\ub294 \uba54\uc11c\ub4dc\uc785\ub2c8\ub2e4. \ubcf8\uc9c8\uc801\uc73c\ub85c \uba54\uc11c\ub4dc \ubcf8\ubb38\uc774 \uc5c6\ub294 \uba54\uc11c\ub4dc \uc11c\uba85\uc785\ub2c8\ub2e4. \uac01 \ucd94\uc0c1 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc778 \uad6c\ud604\uc744 \uc81c\uacf5\ud558\ub824\uba74 \ucd94\uc0c1 \ud074\ub798\uc2a4\uc758 \ud558\uc704 \ud074\ub798\uc2a4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\ucd94\uc0c1 \uba54\uc11c\ub4dc \uc120\uc5b8<\/h3>\r\n\r\n\r\n\r\n<p>\ucd94\uc0c1 \uba54\uc11c\ub4dc\ub294 abstract \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc120\uc5b8\ub418\uba70 \uba54\uc11c\ub4dc \ubcf8\ubb38\uc744 \ud3ec\ud568\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" style=\"font-size: .875rem; font-family: Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace; line-height: 1.25rem;\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\">\r\n<pre class=\"shiki nord\" style=\"background-color: #2e3440ff;\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #81a1c1;\">abstract<\/span> <span style=\"color: #81a1c1;\">void<\/span> <span style=\"color: #88c0d0;\">draw<\/span><span style=\"color: #eceff4;\">()<\/span><span style=\"color: #81a1c1;\">;<\/span>  <span style=\"color: #616e88;\">\/\/ Abstract method declaration<\/span><\/span><\/code><\/pre>\r\n<\/div>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\ud558\uc704 \ud074\ub798\uc2a4\uc5d0\uc11c \uad6c\ud604<\/h3>\r\n\r\n\r\n\r\n<p>\ucd94\uc0c1 \ud074\ub798\uc2a4\ub97c \ud655\uc7a5\ud558\ub294 \ud558\uc704 \ud074\ub798\uc2a4\ub294 \uc218\ud37c \ud074\ub798\uc2a4\uc5d0\uc11c \uc0c1\uc18d\ub41c \uac01 \ucd94\uc0c1 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc778 \uad6c\ud604\uc744 \uc81c\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" style=\"font-size: .875rem; font-family: Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace; line-height: 1.25rem;\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\">\r\n<pre class=\"shiki nord\" style=\"background-color: #2e3440ff;\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #81a1c1;\">class<\/span> <span style=\"color: #8fbcbb;\">Circle<\/span> <span style=\"color: #81a1c1;\">extends<\/span> <span style=\"color: #8fbcbb; font-weight: bold;\">Shape<\/span> <span style=\"color: #eceff4;\">{<\/span><\/span>\r\n<span class=\"line\">    <span style=\"color: #81a1c1;\">void<\/span> <span style=\"color: #88c0d0;\">draw<\/span><span style=\"color: #eceff4;\">()<\/span> <span style=\"color: #eceff4;\">{<\/span><\/span>\r\n<span class=\"line\">        <span style=\"color: #616e88;\">\/\/ Implementation of the draw method for Circle<\/span><\/span>\r\n<span class=\"line\">    <span style=\"color: #eceff4;\">}<\/span><\/span>\r\n<span class=\"line\"><span style=\"color: #eceff4;\">}<\/span><\/span><\/code><\/pre>\r\n<\/div>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\uc7ac\uc815\uc758(Override Annotation)<\/h3>\r\n\r\n\r\n\r\n<p>\uc11c\ube0c\ud074\ub798\uc2a4\uc5d0\uc11c \ucd94\uc0c1 \uba54\uc11c\ub4dc\ub97c \uad6c\ud604\ud560 \ub54c @Override \uc8fc\uc11d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc218\ud37c\ud074\ub798\uc2a4\uc5d0\uc11c \uba54\uc11c\ub4dc\ub97c \uc62c\ubc14\ub974\uac8c \uc624\ubc84\ub77c\uc774\ub4dc\ud558\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" style=\"font-size: .875rem; font-family: Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace; line-height: 1.25rem;\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\">\r\n<pre class=\"shiki nord\" style=\"background-color: #2e3440ff;\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #81a1c1;\">class<\/span> <span style=\"color: #8fbcbb;\">Circle<\/span> <span style=\"color: #81a1c1;\">extends<\/span> <span style=\"color: #8fbcbb; font-weight: bold;\">Shape<\/span> <span style=\"color: #eceff4;\">{<\/span><\/span>\r\n<span class=\"line\">    <span style=\"color: #eceff4;\">@<\/span><span style=\"color: #d08770;\">Override<\/span><\/span>\r\n<span class=\"line\">    <span style=\"color: #81a1c1;\">void<\/span> <span style=\"color: #88c0d0;\">draw<\/span><span style=\"color: #eceff4;\">()<\/span> <span style=\"color: #eceff4;\">{<\/span><\/span>\r\n<span class=\"line\">        <span style=\"color: #616e88;\">\/\/ Implementation of the draw method for Circle<\/span><\/span>\r\n<span class=\"line\">    <span style=\"color: #eceff4;\">}<\/span><\/span>\r\n<span class=\"line\"><span style=\"color: #eceff4;\">}<\/span><\/span><\/code><\/pre>\r\n<\/div>\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>\ucd94\uc0c1 \ud074\ub798\uc2a4 \ubc0f \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba74 \uad00\ub828 \ud074\ub798\uc2a4 \uadf8\ub8f9\uc5d0 \ub300\ud55c \uacf5\ud1b5 \uad6c\uc870 \ubc0f \ub3d9\uc791\uc744 \uc815\uc758\ud558\ub294 \ub3d9\uc2dc\uc5d0 \ud2b9\uc815 \uad6c\ud604 \uc138\ubd80 \uc815\ubcf4\ub294 \ud558\uc704 \ud074\ub798\uc2a4\uc5d0 \ub0a8\uaca8 \ub458 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Java \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ucd94\uc0c1\ud654\uc640 \uc0c1\uc18d\uc744 \ubaa8\ub450 \ub2ec\uc131\ud558\uae30 \uc704\ud55c \uc911\uc694\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; \ucd94\uc0c1\ud074\ub798\uc2a4(Abstract Classes) Java\uc758 \ucd94\uc0c1 \ud074\ub798\uc2a4\ub294 \uc790\uccb4\uc801\uc73c\ub85c \uc778\uc2a4\ud134\uc2a4\ud654\ud560 \uc218 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":103,"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-102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/posts\/102"}],"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=102"}],"version-history":[{"count":3,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":527,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/posts\/102\/revisions\/527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/media\/103"}],"wp:attachment":[{"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/media?parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/categories?post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mumooinfo.com\/wp-json\/wp\/v2\/tags?post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}