{"id":271,"date":"2015-06-23T15:28:27","date_gmt":"2015-06-23T07:28:27","guid":{"rendered":"http:\/\/blog.sway.com.cn\/?p=271"},"modified":"2015-06-23T15:28:49","modified_gmt":"2015-06-23T07:28:49","slug":"java%e4%b8%ad%e5%ae%9e%e7%8e%b0hashmap%e4%b8%ad%e7%9a%84%e6%8c%89%e7%85%a7key%e7%9a%84%e5%ad%97%e5%85%b8%e9%a1%ba%e5%ba%8f%e6%8e%92%e5%ba%8f%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"http:\/\/blog.sway.com.cn\/?p=271","title":{"rendered":"java\u4e2d\u5b9e\u73b0HashMap\u4e2d\u7684\u6309\u7167key\u7684\u5b57\u5178\u987a\u5e8f\u6392\u5e8f\u8f93\u51fa"},"content":{"rendered":"<pre class=\"lang:java decode:true  \"> HashMap&lt;String, String&gt; maptest =new  HashMap&lt;String, String&gt;();\r\n\t\t maptest.put(\"1\u5929\",\"day1\");\r\n\t\t maptest.put(\"5\u5929\",\"day5\");\r\n\t\t maptest.put(\"4\u5929\",\"day4\");\r\n\t\t maptest.put(\"2\u5929\",\"day2\");\r\n\t\t maptest.put(\"3\u5929\",\"day3\");\r\n\t\t \r\n\t\t Collection&lt;String&gt; keyset= maptest.keySet();\r\n\t\t List&lt;String&gt; list = new ArrayList&lt;String&gt;(keyset);\r\n\t\t \r\n\t\t \/\/\u5bf9key\u952e\u503c\u6309\u5b57\u5178\u5347\u5e8f\u6392\u5e8f\r\n\t\t Collections.sort(list);\r\n\t\t \r\n\t\t \r\n\t\t for (int i = 0; i &lt; list.size(); i++) {\r\n\t\t\t System.out.println(\"key\u952e---\u503c: \"+list.get(i)+\",\"+maptest.get(list.get(i)));\r\n\t\t }<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HashMap&lt;String, String&gt; maptest =new HashMap&lt;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":[14],"tags":[87,119],"class_list":["post-271","post","type-post","status-publish","format-standard","hentry","category-java","tag-java-2","tag-119"],"_links":{"self":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=271"}],"version-history":[{"count":2,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/271\/revisions"}],"predecessor-version":[{"id":273,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/271\/revisions\/273"}],"wp:attachment":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=271"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}