{"id":127587,"date":"2024-03-25T03:01:23","date_gmt":"2024-03-24T18:01:23","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T22:46:46","modified_gmt":"2024-04-05T13:46:46","slug":"java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Java\u3067\u306f\u3001getClass()\u30e1\u30bd\u30c3\u30c9\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002getClass()\u30e1\u30bd\u30c3\u30c9\u306fObject\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u3001\u5168\u3066\u306eJava\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059:<\/p>\n<pre class=\"post-pre\"><code>public class Main {\r\npublic static void main(String[] args) {\r\nString str = \"Hello\";\r\nInteger num = new Integer(10);\r\nDouble d = new Double(3.14);\r\nSystem.out.println(\"str\u7684\u7c7b\u578b\uff1a\" + str.getClass());\r\nSystem.out.println(\"num\u7684\u7c7b\u578b\uff1a\" + num.getClass());\r\nSystem.out.println(\"d\u7684\u7c7b\u578b\uff1a\" + d.getClass());\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>str\u7684\u7c7b\u578b\uff1aclass java.lang.String\r\nnum\u7684\u7c7b\u578b\uff1aclass java.lang.Integer\r\nd\u7684\u7c7b\u578b\uff1aclass java.lang.Double\r\n<\/code><\/pre>\n<p>getClass\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u8868\u3059Class\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u540d\u306f\u3001Class\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306egetName\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001getClass()\u30e1\u30bd\u30c3\u30c9\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002getClass()\u30e1\u30bd\u30c3\u30c9\u306fObject\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u3001\u5168\u3066\u306eJava\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-127587","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u306f\u3001getClass()\u30e1\u30bd\u30c3\u30c9\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002getClass()\u30e1\u30bd\u30c3\u30c9\u306fObject\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u3001\u5168\u3066\u306eJava\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T18:01:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-05T13:46:46+00:00\" \/>\n<meta name=\"author\" content=\"\u84ee, \u7ffc\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u84ee, \u7ffc\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/\",\"name\":\"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-24T18:01:23+00:00\",\"dateModified\":\"2024-04-05T13:46:46+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413\",\"name\":\"\u84ee, \u7ffc\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g\",\"caption\":\"\u84ee, \u7ffc\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/rentsubasa\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\/","og_locale":"ja_JP","og_type":"article","og_title":"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5","og_description":"Java\u3067\u306f\u3001getClass()\u30e1\u30bd\u30c3\u30c9\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002getClass()\u30e1\u30bd\u30c3\u30c9\u306fObject\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u3001\u5168\u3066\u306eJava\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-24T18:01:23+00:00","article_modified_time":"2024-04-05T13:46:46+00:00","author":"\u84ee, \u7ffc","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u84ee, \u7ffc"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","name":"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-24T18:01:23+00:00","dateModified":"2024-04-05T13:46:46+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"Java\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413","name":"\u84ee, \u7ffc","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g","caption":"\u84ee, \u7ffc"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/rentsubasa\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%81%ae%e5%9e%8b%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/127587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=127587"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/127587\/revisions"}],"predecessor-version":[{"id":324521,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/127587\/revisions\/324521"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=127587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=127587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=127587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}