{"id":29384,"date":"2024-03-18T20:52:20","date_gmt":"2024-03-18T11:52:20","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/"},"modified":"2024-03-22T20:51:50","modified_gmt":"2024-03-22T11:51:50","slug":"java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/","title":{"rendered":"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002"},"content":{"rendered":"<p>java.util.Date\u30af\u30e9\u30b9\u306efrom()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001java.time.LocalDateTime\u3092java.util.Date\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.time.LocalDateTime;\r\n<span class=\"hljs-keyword\">import<\/span> java.time.ZoneId;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.Date;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">LocalDateTimeToDateExample<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-type\">LocalDateTime<\/span> <span class=\"hljs-variable\">localDateTime<\/span> <span class=\"hljs-operator\">=<\/span> LocalDateTime.now();\r\n        <span class=\"hljs-type\">Date<\/span> <span class=\"hljs-variable\">date<\/span> <span class=\"hljs-operator\">=<\/span> Date.from(localDateTime.atZone(ZoneId.systemDefault()).toInstant());\r\n        System.out.println(<span class=\"hljs-string\">\"LocalDateTime: \"<\/span> + localDateTime);\r\n        System.out.println(<span class=\"hljs-string\">\"Date: \"<\/span> + date);\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u6700\u521d\u306bLocalDateTime.now()\u3092\u4f7f\u7528\u3057\u3066\u73fe\u5728\u306eLocalDateTime\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u305d\u308c\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u6301\u3064ZonedDateTime\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306batZone()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u305d\u306e\u5f8ctoInstant()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Instant\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001Date.from()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Instant\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092java.util.Date\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\uff1ajava.util.Date\u306b\u306f\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u6982\u5ff5\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002\u4ed6\u306e\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001ZoneId.of()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8a72\u5f53\u3059\u308b\u30bf\u30a4\u30e0\u30be\u30fc\u30f3ID\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java.util.Date\u30af\u30e9\u30b9\u306efrom()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001java.time.LocalDateTime\u3092java.util.Date\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002 import java.tim [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-29384","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\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002 - 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\u3067localdatetime\u3092date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\" \/>\n<meta property=\"og:description\" content=\"java.util.Date\u30af\u30e9\u30b9\u306efrom()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001java.time.LocalDateTime\u3092java.util.Date\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002 import java.tim [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067localdatetime\u3092date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-18T11:52:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T11:51:50+00:00\" \/>\n<meta name=\"author\" content=\"\u967d, \u5411\u5b87\" \/>\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=\"\u967d, \u5411\u5b87\" \/>\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%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/\",\"name\":\"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-18T11:52:20+00:00\",\"dateModified\":\"2024-03-22T11:51:50+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4aef6196128551a0f5d66db46c42866c\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\"}]},{\"@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\/4aef6196128551a0f5d66db46c42866c\",\"name\":\"\u967d, \u5411\u5b87\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g\",\"caption\":\"\u967d, \u5411\u5b87\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/hinatasora\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002 - 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\u3067localdatetime\u3092date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\/","og_locale":"ja_JP","og_type":"article","og_title":"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002","og_description":"java.util.Date\u30af\u30e9\u30b9\u306efrom()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001java.time.LocalDateTime\u3092java.util.Date\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002 import java.tim [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067localdatetime\u3092date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-18T11:52:20+00:00","article_modified_time":"2024-03-22T11:51:50+00:00","author":"\u967d, \u5411\u5b87","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u967d, \u5411\u5b87"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/","name":"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-18T11:52:20+00:00","dateModified":"2024-03-22T11:51:50+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4aef6196128551a0f5d66db46c42866c"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"java\u3067LocalDateTime\u3092Date\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002"}]},{"@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\/4aef6196128551a0f5d66db46c42866c","name":"\u967d, \u5411\u5b87","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g","caption":"\u967d, \u5411\u5b87"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/hinatasora\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92date%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/29384","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=29384"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/29384\/revisions"}],"predecessor-version":[{"id":113049,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/29384\/revisions\/113049"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=29384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=29384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=29384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}