{"id":113,"date":"2005-04-10T08:00:00","date_gmt":"2005-04-10T08:00:00","guid":{"rendered":"https:\/\/out.cat\/?p=109"},"modified":"2005-04-10T08:00:00","modified_gmt":"2005-04-10T08:00:00","slug":"java%e6%9c%80%e7%ae%80%e5%8d%95%e7%9a%84%e7%ab%af%e5%8f%a3%e6%89%ab%e6%8f%8f","status":"publish","type":"post","link":"https:\/\/out.cat\/?p=113","title":{"rendered":"java\u6700\u7b80\u5355\u7684\u7aef\u53e3\u626b\u63cf"},"content":{"rendered":"<p>import java.net.*;<br \/>\nimport java.io.*;<br \/>\npublic class LowPortScanner {<br \/>\npublic static void main(String[] args) {<br \/>\nString host = &#8220;www.163.com&#8221;;<br \/>\nif (args.length == 1) {<br \/>\nhost = args[0];<br \/>\n}<br \/>\nfor (int i = 79; i &lt; 83; i++) {<br \/>\ntry {<br \/>\nSocket s = new Socket(host, i);<br \/>\nSystem.out.println(<br \/>\n&#8220;there is a server on port &#8221; + i + &#8221; of &#8221; + host);<br \/>\n} catch (UnknownHostException e) {<br \/>\nSystem.err.println(&#8220;UnknownHost&#8221;);<br \/>\n} catch (IOException e) {<br \/>\nSystem.err.println(e + &#8220;port &#8221; + i);<br \/>\n}<br \/>\n}<br \/>\n}<br \/>\n}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>import java.net.&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[379,2066,512],"class_list":["post-113","post","type-post","status-publish","format-standard","hentry","category-2","tag-java","tag-2066","tag-512"],"_links":{"self":[{"href":"https:\/\/out.cat\/index.php?rest_route=\/wp\/v2\/posts\/113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/out.cat\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/out.cat\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/out.cat\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/out.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=113"}],"version-history":[{"count":0,"href":"https:\/\/out.cat\/index.php?rest_route=\/wp\/v2\/posts\/113\/revisions"}],"wp:attachment":[{"href":"https:\/\/out.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/out.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/out.cat\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}