{"id":899,"date":"2017-01-17T16:00:52","date_gmt":"2017-01-17T07:00:52","guid":{"rendered":"https:\/\/java-code.jp\/?p=899"},"modified":"2020-03-03T14:01:07","modified_gmt":"2020-03-03T05:01:07","slug":"synchronizedlist%ef%bc%8fsynchronizedmap%ef%bc%8fsynchronizedset%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89","status":"publish","type":"post","link":"https:\/\/java-code.jp\/899","title":{"rendered":"synchronizedList\uff0fsynchronizedMap\uff0fsynchronizedSet\u30e1\u30bd\u30c3\u30c9"},"content":{"rendered":"<p><em class=\"ccenterContents01\">\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u3082\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b &#8211; synchronizedList\uff0fsynchronizedMap\uff0fsynchronizedSet\u30e1\u30bd\u30c3\u30c9<\/em><\/p>\n<dl class=\"comand_frame\">\n<dt class=\"comand_txt\">public static <T> List<T> synchronizedList(List<T> list)<\/dt>\n<dt class=\"comand_txt\">public static <K,V> Map<K,V> synchronizedMap(Map<K,V> m)<\/dt>\n<dt class=\"comand_txt\">public static <T> Set<T> synchronizedSet(Set<T> s)<\/dt>\n<dd class=\"comand_exp\">T\u3001K\u3001V\uff1a\u8981\u7d20\u578b<\/dd>\n<dd class=\"comand_exp\">list\u3001m\u3001s\uff1a\u5909\u63db\u5bfe\u8c61\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/dd>\n<\/dl>\n<p>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u5b9f\u88c5\u30af\u30e9\u30b9\u306e\u307b\u3068\u3093\u3069\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u306e\u305f\u3081\u306e\u5bfe\u5fdc\uff08\uff1d\u6392\u4ed6\u51e6\u7406\uff09\u3092\u65bd\u3059\u306e\u306f\u7121\u99c4\u306a\u3053\u3068\u3067\u3042\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u52a3\u5316\u3059\u308b\u539f\u56e0\u306b\u3082\u306a\u308b\u305f\u3081\u3067\u3059\u3002<br \/>\n  \u305d\u3053\u3067\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u5b9f\u88c5\u30af\u30e9\u30b9\u3092\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u5229\u7528\u3059\u308b\u5834\u5408\u306b\u306f\u3001synchronizedList\uff0fsynchronizedMap\uff0fsynchronizedSet\u30e1\u30bd\u30c3\u30c9\u3092\u4ecb\u3057\u3066\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u5bfe\u5fdc\u306e\u30ea\u30b9\u30c8\uff0f\u30de\u30c3\u30d7\uff0f\u30bb\u30c3\u30c8\u306b\u5909\u63db\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u3053\u3068\u3092<span>\u540c\u671f\u5316\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/span>\u3068\u8a00\u3044\u307e\u3059\u3002<br \/>\n  \u4f8b\u3048\u3070\u4ee5\u4e0b\u306f\u3001\u30ea\u30b9\u30c8\uff08ArrayList\uff09\u3092\u540c\u671f\u5316\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u5909\u63db\u3057\u305f\u4f8b\u3067\u3059\u3002<\/p>\n<p class=\"list\">CollSynchronized.java\uff08\u629c\u7c8b\uff09<\/p>\n<div class=\"pre\">\n<pre class=\"brush:java;highlight:[10];\">\r\npackage com.example.mynavi.collection;\r\n\r\nimport java.util.ArrayList;\r\nimport java.util.Collections;\r\nimport java.util.List;\r\n\r\npublic class CollSynchronized {\r\n\r\n  public static void main(String[] args) {\r\n    Listlist = Collections.synchronizedList(new ArrayList<>());\r\n    list.add(\"Windows\");\r\n    list.add(\"Linux\");\r\n    list.add(\"macOS\");\r\n    System.out.println(list);\t\/\/ \u7d50\u679c\uff1a[Windows, Linux, macOS]\r\n  }\r\n}\r\n<\/pre>\n<p><!-- \/ .pre --><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u3082\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b &#8211; synchronizedList\uff0fsynchronizedMap\uff0fsynchronizedSet\u30e1\u30bd\u30c3\u30c9 public static List s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-899","post","type-post","status-publish","format-standard","hentry","category-frame"],"_links":{"self":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/899"}],"collection":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/comments?post=899"}],"version-history":[{"count":2,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/899\/revisions"}],"predecessor-version":[{"id":1495,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/899\/revisions\/1495"}],"wp:attachment":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/media?parent=899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/categories?post=899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/tags?post=899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}