{"id":241784,"date":"2014-10-29T22:03:03","date_gmt":"2014-10-29T18:03:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=241784"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=241784","title":{"rendered":"<span class=\"post_title\">\u041d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u0430 String.split \u0432 Java 8 \u0438 Java 7<\/span>"},"content":{"rendered":"<div class=\"content html_format\">     \t\u042d\u0442\u043e \u0437\u0430\u043c\u0435\u0442\u043a\u0430 \u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0435, \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u044f \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0441\u044f \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0441 Java 7 \u043d\u0430 Java 8. \u0421\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c \u044d\u0442\u043e \u0443\u0436\u0435 \u043e\u043a\u043e\u043b\u043e \u043f\u043e\u043b\u0443\u0433\u043e\u0434\u0430 \u043d\u0430\u0437\u0430\u0434, \u043d\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0440\u0435\u0448\u0438\u043b \u0441\u0435\u0439\u0447\u0430\u0441, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e \u043f\u0440\u043e \u043d\u0435\u0435(\u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443) \u0432\u0441\u043f\u043e\u043c\u043d\u0438\u043b.<\/p>\n<p>  \u0418\u0442\u0430\u043a, \u0441 \u043c\u0435\u0441\u0442\u0430 \u0432 \u043a\u0430\u0440\u044c\u0435\u0440.<br \/>  <a name=\"habracut\"><\/a><br \/>  \u0412\u043e\u0442 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430:  <\/p>\n<pre><code class=\"java\">package test;  import java.util.Arrays;  public class Main {      public static void main(String[] args) {         System.out.println(&quot;result: &quot; + Arrays.toString(&quot;0000&quot;.split(&quot;&quot;)));     } } <\/code><\/pre>\n<p>  \u043f\u043e\u0434 Java 8:  <\/p>\n<pre><code>result: [0, 0, 0, 0] <\/code><\/pre>\n<p>  \u0438 Java 7:  <\/p>\n<pre><code>result: [, 0, 0, 0, 0] <\/code><\/pre>\n<p>  \u041a\u0430\u043a \u0432\u0438\u0434\u0438\u0442\u0435 \u0441\u0442\u0440\u043e\u043a\u0430 \u0441\u043f\u043b\u0438\u0442\u0438\u0442\u0441\u044f \u043f\u043e \u0440\u0430\u0437\u043d\u043e\u043c\u0443, \u0438 \u0438\u0437 \u0437\u0430 \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u044f \u0441\u043b\u043e\u0432\u0438\u043b <a href=\"http:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/lang\/ArrayIndexOutOfBoundsException.html\">ArrayIndexOutOfBoundsException<\/a>.<br \/>  \u0411\u044b\u043b\u043e \u043d\u0435\u043f\u0440\u0438\u044f\u0442\u043d\u043e, \u043d\u043e \u044f \u0441\u043c\u043e\u0433 \u043f\u0435\u0440\u0435\u0436\u0438\u0442\u044c, \u0441\u043e\u0431\u0440\u0430\u043b \u0432\u0441\u044e \u0432\u043e\u043b\u044e \u0432 \u043a\u0443\u043b\u0430\u043a \u0438 \u0440\u0435\u0448\u0438\u043b \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f \u0432 \u0447\u0435\u043c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430.<br \/>  \u0412\u043e\u0442 \u0447\u0442\u043e \u043f\u0438\u0448\u0435\u0442 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u0430\u044f <a href=\"http:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/lang\/String.html#split-java.lang.String-int-\">\u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f<\/a>:  <\/p>\n<blockquote><p>When there is a positive-width match at the beginning of this string then an empty leading substring is included at the beginning of the resulting array. <b>A zero-width match at the beginning however never produces such empty leading substring.<\/b><\/p><\/blockquote>\n<p>  \u0422.\u0435. \u0442\u0435\u043f\u0435\u0440\u044c \u0432 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u043a\u043e\u0433\u0434\u0430 \u0441\u0442\u0440\u043e\u043a\u0430 \u0440\u0430\u0437\u0431\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e \u043f\u0443\u0441\u0442\u043e\u043c\u0443 \u0441\u0438\u043c\u0432\u043e\u043b\u0443, \u043d\u0443\u043b\u0435\u0432\u043e\u0439 \u043f\u0443\u0441\u0442\u043e\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043d\u0435 \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u0442\u0441\u044f.<br \/>  \u0422\u0430\u043a\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043b\u043e\u0433\u0438\u0447\u043d\u0435\u0435 \u0447\u0435\u043c \u0441\u0442\u0430\u0440\u043e\u0435, \u043d\u043e \u043f\u043e\u043b\u043e\u043c\u043a\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u043c\u0435\u043d\u044f \u0431\u044b\u043b\u0430 \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e\u0441\u0442\u044c\u044e. \u0412 \u043b\u044e\u0431\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0443\u0436\u0435 \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435\u043b\u044c\u0437\u044f, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u044f \u0436\u0435\u043b\u0430\u044e \u0432\u0430\u043c \u0431\u044b\u0442\u044c \u0432\u043d\u0438\u043c\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u0438 \u0441\u043b\u043e\u0432\u0438\u0442\u044c \u043a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u043c\u0435\u043d\u044c\u0448\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c :).<\/p>\n<p>  P.S. \u0423\u0436\u0435 \u043f\u043e\u0437\u0436\u0435 \u044f \u043d\u0430\u0448\u0435\u043b <a href=\"http:\/\/stackoverflow.com\/questions\/22718744\/why-does-split-in-java-8-sometimes-remove-empty-strings-at-start-of-result-array\/22718904#22718904\">\u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435<\/a> \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043d\u0430 stackoverflow.com.<br \/>  P.P.S. \u041a\u0430\u043a \u0432\u0435\u0440\u043d\u043e \u0443\u043a\u0430\u0437\u0430\u043b \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c <a href=\"http:\/\/habrahabr.ru\/post\/241784\/#comment_8096266\">Borz<\/a> \u044d\u0442\u043e \u0431\u044b\u043b <a href=\"http:\/\/bugs.java.com\/bugdatabase\/view_bug.do?bug_id=6559590\">\u0431\u0430\u0433<\/a>. \u0412\u0438\u0434\u0438\u043c\u043e \u043d\u0430\u0434\u043e \u043b\u0443\u0447\u0448\u0435 \u0447\u0438\u0442\u0430\u0442\u044c \u0447\u0435\u043d\u0434\u0436\u043b\u043e\u0433\u0438.      \t<\/p>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/241784\/\"> http:\/\/habrahabr.ru\/post\/241784\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">     \t\u042d\u0442\u043e \u0437\u0430\u043c\u0435\u0442\u043a\u0430 \u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0435, \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u044f \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0441\u044f \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0441 Java 7 \u043d\u0430 Java 8. \u0421\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c \u044d\u0442\u043e \u0443\u0436\u0435 \u043e\u043a\u043e\u043b\u043e \u043f\u043e\u043b\u0443\u0433\u043e\u0434\u0430 \u043d\u0430\u0437\u0430\u0434, \u043d\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0440\u0435\u0448\u0438\u043b \u0441\u0435\u0439\u0447\u0430\u0441, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e \u043f\u0440\u043e \u043d\u0435\u0435(\u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443) \u0432\u0441\u043f\u043e\u043c\u043d\u0438\u043b.<\/p>\n<p>  \u0418\u0442\u0430\u043a, \u0441 \u043c\u0435\u0441\u0442\u0430 \u0432 \u043a\u0430\u0440\u044c\u0435\u0440.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-241784","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/241784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=241784"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/241784\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=241784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=241784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=241784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}