{"id":5408,"date":"2024-03-14T15:15:49","date_gmt":"2024-03-14T06:15:49","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e8%a4%87%e6%95%b0%e3%81%ae%e6%9d%a1%e4%bb%b6%e3%81%a7%e3%82%bd%e3%83%bc%e3%83%88%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":"2025-08-03T03:25:05","modified_gmt":"2025-08-02T18:25:05","slug":"java%e3%81%a7%e8%a4%87%e6%95%b0%e3%81%ae%e6%9d%a1%e4%bb%b6%e3%81%a7%e3%82%bd%e3%83%bc%e3%83%88%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%a7%e8%a4%87%e6%95%b0%e3%81%ae%e6%9d%a1%e4%bb%b6%e3%81%a7%e3%82%bd%e3%83%bc%e3%83%88%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 \u8907\u6570\u6761\u4ef6\u30bd\u30fc\u30c8\u306e\u5b9f\u88c5\u65b9\u6cd5\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u4ed8\u304d\u3011"},"content":{"rendered":"

Java\u3067\u306f\u3001\u8907\u6570\u6761\u4ef6\u306e\u4e26\u3073\u66ff\u3048\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306bComparator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Comparator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3001\u6bd4\u8f03\u30e1\u30bd\u30c3\u30c9\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u305d\u3053\u306b\u8907\u6570\u306e\u6761\u4ef6\u3092\u8a18\u8ff0\u3057\u3066\u4e26\u3073\u66ff\u3048\u898f\u5247\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u4e00\u4f8b\u3067\u3059\uff1a<\/p>\n

Person\u30af\u30e9\u30b9\u304c\u3042\u308a\u3001name\u5c5e\u6027\u3068age\u5c5e\u6027\u3092\u542b\u3093\u3067\u3044\u308b\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002<\/p>\n

public class Person {\r\n    private String name;\r\n    private int age;\r\n    \r\n    \/\/ \u6784\u9020\u65b9\u6cd5\u548cgetter\/setter\u7565\r\n}\r\n<\/code><\/pre>\n
\u73fe\u5728\u3001\u79c1\u305f\u3061\u306f\u5e74\u9f62\u9806\u306b\u4e26\u3079\u66ff\u3048\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u5e74\u9f62\u306e\u5834\u5408\u306f\u3001\u540d\u524d\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u9806\u306b\u4e26\u3079\u66ff\u3048\u307e\u3059\u3002<\/p>\n
List<Person> people = new ArrayList<>();\r\n\/\/ \u6dfb\u52a0Person\u5bf9\u8c61\u5230people\u5217\u8868\r\n\r\nCollections.sort(people, new Comparator<Person>() {\r\n    @Override\r\n    public int compare(Person p1, Person p2) {\r\n        if (p1.getAge() != p2.getAge()) {\r\n            return p1.getAge() - p2.getAge();\r\n        } else {\r\n            return p1.getName().compareTo(p2.getName());\r\n        }\r\n    }\r\n});\r\n<\/code><\/pre>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001Comparator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u533f\u540d\u5185\u90e8\u30af\u30e9\u30b9\u3092\u5b9f\u88c5\u3057\u3066compare\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3001\u30bd\u30fc\u30c8\u30eb\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002\u6700\u521d\u306b\u5e74\u9f62\u3092\u6bd4\u8f03\u3057\u3001\u5e74\u9f62\u304c\u7570\u306a\u308b\u5834\u5408\u306f\u5e74\u9f62\u306e\u6607\u9806\u3067\u30bd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002\u5e74\u9f62\u304c\u540c\u3058\u5834\u5408\u306f\u540d\u524d\u3092\u6bd4\u8f03\u3057\u3001\u540d\u524d\u306e\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u9806\u306b\u30bd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002\u6700\u5f8c\u306bCollections.sort\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b9\u30c8\u3092\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java\u3067\u306f\u3001\u8907\u6570\u6761\u4ef6\u306e\u4e26\u3073\u66ff\u3048\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306bComparator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Comparator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3001\u6bd4\u8f03\u30e1\u30bd\u30c3\u30c9\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u305d\u3053\u306b\u8907\u6570\u306e\u6761\u4ef6\u3092\u8a18\u8ff0\u3057\u3066\u4e26\u3073\u66ff\u3048\u898f\u5247\u3092 […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[890,42,403,367,889],"class_list":["post-5408","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-comparator","tag-java","tag-403","tag-367","tag-889"],"yoast_head":"\nJava \u8907\u6570\u6761\u4ef6\u30bd\u30fc\u30c8\u306e\u5b9f\u88c5\u65b9\u6cd5\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u4ed8\u304d\u3011 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Java\u3067\u8907\u6570\u306e\u6761\u4ef6\u3092\u4f7f\u3063\u3066\u30ea\u30b9\u30c8\u3084\u914d\u5217\u3092\u30bd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002Comparator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u3063\u305f\u5b9f\u88c5\u4f8b\u3084\u6ce8\u610f\u70b9\u3082\u7d39\u4ecb\u3002\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\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\u8907\u6570\u306e\u6761\u4ef6\u3067\u30bd\u30fc\u30c8\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 \u8907\u6570\u6761\u4ef6\u30bd\u30fc\u30c8\u306e\u5b9f\u88c5\u65b9\u6cd5\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u4ed8\u304d\u3011\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u8907\u6570\u306e\u6761\u4ef6\u3092\u4f7f\u3063\u3066\u30ea\u30b9\u30c8\u3084\u914d\u5217\u3092\u30bd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002Comparator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u3063\u305f\u5b9f\u88c5\u4f8b\u3084\u6ce8\u610f\u70b9\u3082\u7d39\u4ecb\u3002\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u8907\u6570\u306e\u6761\u4ef6\u3067\u30bd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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