{"id":909,"date":"2017-01-17T16:00:41","date_gmt":"2017-01-17T07:00:41","guid":{"rendered":"https:\/\/java-code.jp\/?p=909"},"modified":"2017-01-17T13:39:57","modified_gmt":"2017-01-17T04:39:57","slug":"navigablemap","status":"publish","type":"post","link":"https:\/\/java-code.jp\/909","title":{"rendered":"NavigableMap"},"content":{"rendered":"<p><em class=\"ccenterContents01\">\u8fd1\u63a5\u3057\u305f\u30ad\u30fc\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30de\u30c3\u30d7 &#8211; NavigableMap\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9<\/em><\/p>\n<p>NavigableMap\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u306b\u8fd1\u63a5\u3057\u305f\u30ad\u30fc\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3092\u5099\u3048\u305f\u30de\u30c3\u30d7\u3067\u3059\u3002NavigableMap\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u305f\u3068\u3048\u3070\u6307\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u5468\u8fba\u306e\u30ad\u30fc\u3092\u53d6\u5f97\u3057\u305f\u3044\u3001\u3068\u3044\u3046\u3088\u3046\u306a\u51e6\u7406\u3092\u624b\u8efd\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<br \/>\n  NavigableMap\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u4e3b\u306a\u30e1\u30f3\u30d0\u30fc\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<tr>\n<th colspan=\"3\" class=\"tableTitle\">NavigableMap\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u5229\u7528\u3067\u304d\u308b\u4e3b\u306a\u30e1\u30bd\u30c3\u30c9<\/th>\n<\/tr>\n<tr>\n<th>\u5206\u985e<\/th>\n<th>\u30e1\u30f3\u30d0\u30fc<\/th>\n<th>\u6982\u8981<\/th>\n<\/tr>\n<tr>\n<td  rowspan=\"4\">\u30ad\u30fc<\/td>\n<td>ceilingKey(K key)<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3068\u7b49\u3057\u3044\u304b\u5927\u304d\u3044\u30ad\u30fc\u3067\u6700\u5c0f\u306e\u30ad\u30fc\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td>floorKey(K key)<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3068\u7b49\u3057\u3044\u304b\u5c0f\u3055\u3044\u30ad\u30fc\u3067\u6700\u5927\u306e\u30ad\u30fc\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td>higherKey(K key)<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3088\u308a\u3082\u5927\u304d\u3044\u30ad\u30fc\u3067\u6700\u5c0f\u306e\u30ad\u30fc\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td>lowerKey(K key)\t<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3088\u308a\u3082\u5c0f\u3055\u3044\u30ad\u30fc\u3067\u6700\u5927\u306e\u30ad\u30fc\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td  rowspan=\"4\">\u5024<\/td>\n<td>ceilingEntry(K key)<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3068\u7b49\u3057\u3044\u304b\u5927\u304d\u3044\u30ad\u30fc\u3067\u6700\u5c0f\u306e\u5024\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td>floorEntry(K key)<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3068\u7b49\u3057\u3044\u304b\u5c0f\u3055\u3044\u30ad\u30fc\u3067\u6700\u5927\u306e\u5024\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td>higherEntry(K key)<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3088\u308a\u3082\u5927\u304d\u3044\u30ad\u30fc\u3067\u6700\u5c0f\u306e\u5024\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td>lowerEntry(K key)<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3088\u308a\u3082\u5c0f\u3055\u3044\u30ad\u30fc\u3067\u6700\u5927\u306e\u5024\u3092\u53d6\u5f97<\/td>\n<\/tr>\n<tr>\n<td  rowspan=\"3\">\u30b5\u30d6\u30de\u30c3\u30d7\t<\/td>\n<td>cheadMap(K toKey [,boolean inclusive])<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3088\u308a\u3082\u5c0f\u3055\u3044\u30ad\u30fc\u3092\u6301\u3064\u30b5\u30d6\u30de\u30c3\u30d7\u3092\u53d6\u5f97<br \/>\uff08\u5f15\u6570inclusive\u304ctrue\u306e\u5834\u5408\u306f\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3068\u7b49\u3057\u3044\u3082\u306e\u3092\u542b\u3080\uff09<\/td>\n<\/tr>\n<tr>\n<td>tailMap(K fromKey [, boolean inclusive])<\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3088\u308a\u3082\u5927\u304d\u3044\u30ad\u30fc\u3092\u6301\u3064\u30b5\u30d6\u30de\u30c3\u30d7\u3092\u53d6\u5f97<br \/>\uff08\u5f15\u6570inclusive\u304ctrue\u306e\u5834\u5408\u306f\u6307\u5b9a\u30ad\u30fc\u3068\u7b49\u3057\u3044\u3082\u306e\u3092\u542b\u3080\uff09<\/td>\n<\/tr>\n<\/table>\n<p>\u524d\u8ff0\u306eTreeMap\u30af\u30e9\u30b9\u3082\u307e\u305f\u3001NavigableMap\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001TreeMap\u3092\u5229\u7528\u3057\u3066\u3001\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u305f\u8f9e\u66f8\u304b\u3089\u76ee\u7684\u306e\u5358\u8a9e\u3092\u691c\u7d22\u3059\u308b\u4f8b\u3067\u3059\u3002\u5358\u8a9e\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u305d\u308c\u306b\u6700\u3082\u8fd1\u3044\u524d\u5f8c\u306e\u5358\u8a9e\u3092\u5019\u88dc\u3068\u3057\u3066\u63d0\u6848\u3057\u307e\u3059\u3002<\/p>\n<p class=\"list\">CollNavigable.java<\/p>\n<div class=\"pre\">\n<pre class=\"brush:java;highlight:[8,23];\">\r\npackage com.example.mynavi.collection;\r\n\r\nimport java.util.NavigableMap;\r\nimport java.util.TreeMap;\r\n\r\npublic class CollNavigable {\r\n  public static void main(String[] args) {\r\n    NavigableMap&lt;String, String&gt; map = new TreeMap&lt;String, String&gt;() {\r\n      {\r\n        put(\"ketchup\", \"\u30b1\u30c1\u30e3\u30c3\u30d7\");\r\n        put(\"margarine\", \"\u30de\u30fc\u30ac\u30ea\u30f3\");\r\n        put(\"miso\", \"\u5473\u564c\");\r\n        put(\"mustard\", \"\u30de\u30b9\u30bf\u30fc\u30c9\");\r\n        put(\"oil\", \"\u6cb9\");\r\n      }\r\n    };\r\n\r\n    String key = \"mayonnaise\";\r\n\r\n    System.out.print(\"\u304a\u63a2\u3057\u306e\u8abf\u5473\u6599\u306f\");\r\n    System.out.print(map.lowerEntry(key) + \"\u307e\u305f\u306f\");\r\n    System.out.print(map.ceilingEntry(key));\r\n    System.out.println(\"\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f\");\r\n  }\r\n}\r\n<\/pre>\n<p><!-- \/ .pre --><\/div>\n<p class=\"arrow01\">\n<img loading=\"lazy\" decoding=\"async\" src=\"wp-content\/themes\/Javacord\/images\/common\/icon08.gif\" alt=\"\u2193\" width=\"29\" height=\"30\">\n<\/p>\n<div class=\"pre\">\n<pre class=\"brush:java;\">\r\n\u304a\u63a2\u3057\u306e\u8abf\u5473\u6599\u306fmargarine=\u30de\u30fc\u30ac\u30ea\u30f3\u307e\u305f\u306fmiso=\u5473\u564c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f\r\n<\/pre>\n<p><!-- \/ .pre --><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u63a5\u3057\u305f\u30ad\u30fc\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30de\u30c3\u30d7 &#8211; NavigableMap\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9 NavigableMap\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u306b\u8fd1\u63a5\u3057\u305f\u30ad\u30fc\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3092\u5099\u3048\u305f\u30de\u30c3\u30d7\u3067\u3059\u3002NavigableMap\u3092\u5229\u7528 [&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-909","post","type-post","status-publish","format-standard","hentry","category-frame"],"_links":{"self":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/909"}],"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=909"}],"version-history":[{"count":1,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/909\/revisions"}],"predecessor-version":[{"id":910,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/909\/revisions\/910"}],"wp:attachment":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/media?parent=909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/categories?post=909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/tags?post=909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}