{"id":29128,"date":"2024-03-18T20:05:08","date_gmt":"2024-03-18T11:05:08","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aecomparetoignorecase%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"},"modified":"2024-03-22T20:15:22","modified_gmt":"2024-03-22T11:15:22","slug":"java%e3%81%aecomparetoignorecase%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aecomparetoignorecase%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","title":{"rendered":"Java\u306ecompareToIgnoreCase\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>Java\u306ecompareToIgnoreCase()\u30e1\u30bd\u30c3\u30c9\u306f\u30012\u3064\u306e\u6587\u5b57\u5217\u306e\u5927\u5c0f\u95a2\u4fc2\u3092\u6bd4\u8f03\u3057\u3001\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u3092\u7121\u8996\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u65b9\u6cd5\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code>public int compareToIgnoreCase(String str)\r\n<\/code><\/pre>\n<p>\u8a2d\u5b9a\uff1a<\/p>\n<ol>\n<li>str\uff1a\u6bd4\u8f03\u5bfe\u8c61\u306e\u6587\u5b57\u5217\u3002<\/li>\n<\/ol>\n<p>\u623b\u308a\u5024:<\/p>\n<ol>\n<li>\u3082\u3057\u6587\u5b57\u5217\u304c\u8f9e\u66f8\u9806\u3067\u300cstr\u300d\u3088\u308a\u3082\u524d\u306b\u6765\u308b\u5834\u5408\u3001\u8ca0\u306e\u6574\u6570\u3092\u8fd4\u3059\u3002<\/li>\n<li>\u6587\u5b57\u5217\u306e\u547c\u3073\u51fa\u3057\u304cstr\u3088\u308a\u8f9e\u66f8\u9806\u3067\u5f8c\u306b\u306a\u308b\u5834\u5408\u3001\u6b63\u306e\u6574\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<li>\u3082\u30572\u3064\u306e\u6587\u5b57\u5217\u304c\u540c\u3058\u306a\u3089\u30010\u3092\u8fd4\u3059\u3002<\/li>\n<\/ol>\n<p>I like to eat sushi.<\/p>\n<p>\u5bff\u53f8\u3092\u98df\u3079\u308b\u306e\u304c\u597d\u304d\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">str1<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"hello\"<\/span>;\r\n<span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">str2<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"Hello\"<\/span>;\r\n<span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">str3<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"world\"<\/span>;\r\n\r\nSystem.out.println(str1.compareToIgnoreCase(str2)); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa0\uff0c\u5ffd\u7565\u5927\u5c0f\u5199\u540e\u4e24\u4e2a\u5b57\u7b26\u4e32\u76f8\u7b49<\/span>\r\nSystem.out.println(str1.compareToIgnoreCase(str3)); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa-15\uff0c\u5ffd\u7565\u5927\u5c0f\u5199\u540estr1\u5728str3\u4e4b\u524d<\/span>\r\nSystem.out.println(str3.compareToIgnoreCase(str1)); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa15\uff0c\u5ffd\u7565\u5927\u5c0f\u5199\u540estr3\u5728str1\u4e4b\u540e<\/span>\r\n<\/code><\/pre>\n<p>compareToIgnoreCase()\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u306eUnicode\u5024\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u3001\u6f22\u5b57\u306a\u3069\u306e\u975eASCII\u6587\u5b57\u3067\u306f\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u5b9a\u306e\u8a00\u8a9e\u306e\u898f\u5247\u306b\u5f93\u3063\u3066\u6bd4\u8f03\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306f\u3001Collator\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u306ecompareToIgnoreCase()\u30e1\u30bd\u30c3\u30c9\u306f\u30012\u3064\u306e\u6587\u5b57\u5217\u306e\u5927\u5c0f\u95a2\u4fc2\u3092\u6bd4\u8f03\u3057\u3001\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u3092\u7121\u8996\u3057\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a public int compareToIgnoreCase( [&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-29128","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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