{"id":924,"date":"2018-09-17T18:27:12","date_gmt":"2018-09-17T09:27:12","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=924"},"modified":"2018-12-23T02:00:53","modified_gmt":"2018-12-22T17:00:53","slug":"file-getpreffix","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/vi\/blog\/java\/tien-to-tap-tin","title":{"rendered":"X\u00f3a ph\u1ea7n m\u1edf r\u1ed9ng kh\u1ecfi t\u00ean t\u1ec7p Java"},"content":{"rendered":"<h2 class=\"common_title\"><a name=\"0\">X\u00f3a ph\u1ea7n m\u1edf r\u1ed9ng kh\u1ecfi t\u00ean t\u1ec7p Java<\/a><\/h2>\n<p>\nb\u1eb1ng Java<strong>t\u00ean t\u1eadp tin<\/strong>t\u1eeb<strong>s\u1ef1 m\u1edf r\u1ed9ng<\/strong>\u0110\u00e2y l\u00e0 ngu\u1ed3n m\u1eabu tr\u1ea3 v\u1ec1 t\u00ean b\u1eb1ng .\n<\/p>\n<h2 class=\"common_title\"><a name=\"1\">ch\u01b0\u01a1ng tr\u00ecnh m\u1eabu<\/a><\/h2>\n<pre class=\"sample_src\">\/** * Tr\u1ea3 v\u1ec1 t\u00ean file kh\u00f4ng c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng. * @param fileName T\u00ean t\u1ec7p * @return T\u00ean t\u1ec7p *\/ public static String getPreffix(String fileName) { if (fileName == null) return null; int point = fileName.lastIndexOf(&quot;.&quot;); if (point != - 1) { return fileName.substring(0, point); } return fileName; }\r\n<\/pre>\n<p><script type=\"text\/javascript\" src=\"https:\/\/chat-messenger.com\/js\/common.js?dd12sssas2223\" charset=\"UTF-8\"><\/script><br \/>\n<script type=\"text\/javascript\"> writePR(); <\/script><\/p>\n<h2 class=\"common_title\"><a name=\"2\">K\u1ebft qu\u1ea3 th\u1ef1c hi\u1ec7n<\/a><\/h2>\n<p>\u25c6V\u00ed d\u1ee5 th\u1ef1c thi<\/p>\n<pre class=\"sample_src\">\/** * V\u00ed d\u1ee5 th\u1ef1c thi * @param args *\/ public static void main(String[] args) { String ret1 = getPreffix(&quot;test.html&quot;); System.out.println(ret1); String ret2 = getPreffix(&quot; C:\\\\test.html&quot;); System.out.println(ret2); }\r\n<\/pre>\n<p>\u25c6K\u1ebft qu\u1ea3 \u0111\u1ea7u ra<\/p>\n<pre class=\"console\">ki\u1ec3m tra C:\\ki\u1ec3m tra\r\n<\/pre>","protected":false},"excerpt":{"rendered":"<p>Java X\u00f3a ph\u1ea7n m\u1edf r\u1ed9ng kh\u1ecfi t\u00ean t\u1ec7p Ngu\u1ed3n m\u1eabu tr\u1ea3 v\u1ec1 t\u00ean t\u1ec7p c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng \u0111\u00e3 b\u1ecb x\u00f3a trong Java [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/924"}],"collection":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/comments?post=924"}],"version-history":[{"count":4,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/924\/revisions"}],"predecessor-version":[{"id":1891,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/924\/revisions\/1891"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/media?parent=924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/categories?post=924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/tags?post=924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}