{"id":27987,"date":"2024-03-18T16:10:18","date_gmt":"2024-03-18T07:10:18","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92null%e3%81%ab%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%ef%bc%9f\/"},"modified":"2024-03-22T17:30:59","modified_gmt":"2024-03-22T08:30:59","slug":"java%e3%81%a7localdatetime%e3%82%92null%e3%81%ab%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%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7localdatetime%e3%82%92null%e3%81%ab%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%ef%bc%9f\/","title":{"rendered":"java\u3067LocalDateTime\u3092null\u306b\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>Java\u3067\u306f\u3001`LocalDateTime`\u306f\u4e0d\u5909\u306e\u30af\u30e9\u30b9\u3067\u3042\u308a\u3001\u65e5\u4ed8\u3068\u6642\u523b\u3092\u8868\u3057\u307e\u3059\u304c\u3001\u76f4\u63a5\u7684\u306bnull\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001`LocalDateTime`\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u7a7a\u3067\u3042\u308b\u304b\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u793a\u3059\u305f\u3081\u306b`null`\u5024\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u5c06`LocalDateTime`\u5bf9\u8c61\u8bbe\u4e3anull\uff1a<\/p>\n<pre class=\"post-pre\">LocalDateTime\u00a0dateTime\u00a0=\u00a0null;<\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001 `LocalDateTime` \u578b\u306e\u5909\u6570 `dateTime` \u3092\u5ba3\u8a00\u3057\u3001\u305d\u308c\u306b `null` \u3092\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001`dateTime` \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u7a7a\u3067\u3042\u308b\u304b\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>`dateTime` \u5909\u6570\u3092\u5f8c\u3067\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001\u6709\u52b9\u306a\u5024\u3092\u4ee3\u5165\u307e\u305f\u306f\u51e6\u7406\u3057\u3066\u3001NullPointerException\u3092\u907f\u3051\u308b\u3088\u3046\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u7279\u5b9a\u306e\u65e5\u4ed8\u3068\u6642\u523b\u3092\u6301\u3064 `LocalDateTime` \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3044\u5834\u5408\u306f\u3001`of()` \u30e1\u30bd\u30c3\u30c9\u3084\u4ed6\u306e\u95a2\u9023\u3059\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u521d\u671f\u5316\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<\/p>\n<pre class=\"post-pre\">LocalDateTime\u00a0dateTime\u00a0=\u00a0LocalDateTime.of(2022,\u00a01,\u00a01,\u00a012,\u00a00,\u00a00);<\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001&#8221;2022-01-01 12:00:00&#8243; \u3092\u8868\u3059 `LocalDateTime` \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001`LocalDateTime`\u306f\u4e0d\u5909\u306e\u30af\u30e9\u30b9\u3067\u3042\u308a\u3001\u65e5\u4ed8\u3068\u6642\u523b\u3092\u8868\u3057\u307e\u3059\u304c\u3001\u76f4\u63a5\u7684\u306bnull\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001`LocalDateTime`\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u7a7a\u3067\u3042\u308b\u304b\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u306a [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27987","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) - 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