{"id":77,"date":"2017-08-28T22:26:48","date_gmt":"2017-08-28T14:26:48","guid":{"rendered":"http:\/\/sgvps.hyh0.com\/?p=77"},"modified":"2017-10-30T23:39:04","modified_gmt":"2017-10-30T15:39:04","slug":"java%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84-3-treeset","status":"publish","type":"post","link":"https:\/\/www.hyh0.com\/?p=77","title":{"rendered":"Java\u4e2d\u7684\u6570\u636e\u7ed3\u6784 3.TreeSet"},"content":{"rendered":"<p>TreeSet\u4f7f\u7528\u4e0a\u603b\u4f53\u4e0a\u4e0eHashSet\u76f8\u540c\uff0c\u4e0d\u540c\u7684\u662fTreeSet\u4f1a\u5bf9\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\uff0c\u5411TreeSet\u4e2d\u6dfb\u52a0\u5143\u7d20\u82b1\u7684\u65f6\u95f4\u6bd4HashSet\u7a0d\u957f\uff0c\u4f46TreeSet\u6dfb\u52a0\/\u641c\u7d22\/\u4fee\u6539\/\u5220\u9664\u5143\u7d20\u7684\u590d\u6742\u5ea6\u662f\u7a33\u5b9a\u7684log(n)<\/p>\n<p><!--more--><\/p>\n<p>TreeSet\u4f7f\u7528\u793a\u4f8b<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\npublic static void main(String[] args) {\r\n    TreeSet&lt;String&gt; sorter = new TreeSet&lt;&gt;();\r\n    sorter.add(&quot;Bob&quot;);\r\n    sorter.add(&quot;Amy&quot;);\r\n    sorter.add(&quot;David&quot;);\r\n    sorter.add(&quot;Carl&quot;);\r\n    \r\n    for (String s : sorter) {\r\n        System.out.println(s);\r\n    }\r\n}\r\n<\/pre>\n<p>\u8be5\u7a0b\u5e8f\u4f1a\u8f93\u51fa<\/p>\n<p>Amy<br \/>\nBob<br \/>\nCarl<br \/>\nDavid<\/p>\n<p>TreeSet\u7531TreeMap\u5b9e\u73b0<\/p>\n<p>\u5411TreeSet\u4e2d\u6dfb\u52a0\u7684\u5143\u7d20\u5e94\u8be5\u5b9e\u73b0Comparable\u63a5\u53e3<\/p>\n<p>\u5982\u679c\u8981\u6dfb\u52a0\u7684\u5143\u7d20\u6ca1\u6709\u5b9e\u73b0\u8be5\u63a5\u53e3\u6216\u8005\u60f3\u7528\u5176\u4ed6\u65b9\u5f0f\u6bd4\u8f83\uff0c\u53ef\u4ee5\u5728\u6784\u9020TreeSet\u65f6\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u73b0\u4e86Comparator\u7684\u5bf9\u8c61<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\npublic interface Comparator&lt;T&gt;\r\n{\r\n\u00a0\u00a0\u00a0int compare(T a, T b);\r\n}\r\n<\/pre>\n<p>TreeSet\u5b9e\u73b0\u4e86SortedSet\uff08\u9700\u8981\u5728\u6784\u9020\u65f6\u4f20\u5165\u6bd4\u8f83\u5668\u624d\u80fd\u771f\u6b63\u4f7f\u7528\uff09\u4e0eNavigableSet\u63a5\u53e3<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TreeSet\u4f7f\u7528\u4e0a\u603b\u4f53\u4e0a\u4e0eHashSet\u76f8\u540c\uff0c\u4e0d\u540c\u7684\u662fTreeSet\u4f1a\u5bf9\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\uff0c\u5411TreeSet\u4e2d\u6dfb\u52a0 &hellip; <a href=\"https:\/\/www.hyh0.com\/?p=77\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Java\u4e2d\u7684\u6570\u636e\u7ed3\u6784 3.TreeSet<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/www.hyh0.com\/index.php?rest_route=\/wp\/v2\/posts\/77"}],"collection":[{"href":"https:\/\/www.hyh0.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hyh0.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hyh0.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hyh0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=77"}],"version-history":[{"count":5,"href":"https:\/\/www.hyh0.com\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions"}],"predecessor-version":[{"id":110,"href":"https:\/\/www.hyh0.com\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions\/110"}],"wp:attachment":[{"href":"https:\/\/www.hyh0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hyh0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hyh0.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}