{"id":4617,"date":"2019-10-19T13:31:09","date_gmt":"2019-10-19T04:31:09","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=4617"},"modified":"2019-10-19T13:43:05","modified_gmt":"2019-10-19T04:43:05","slug":"%e0%a4%9c%e0%a4%be%e0%a4%b5%e0%a4%be-%e0%a4%b8%e0%a5%8d%e0%a4%9f%e0%a5%8d%e0%a4%b0%e0%a4%bf%e0%a4%82%e0%a4%97","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/hi\/blog\/java\/java-string","title":{"rendered":"\u091c\u093e\u0935\u093e \u092e\u0947\u0902 \u092c\u0941\u0928\u093f\u092f\u093e\u0926\u0940 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0939\u0947\u0930\u092b\u0947\u0930 \u0915\u093e \u0938\u093e\u0930\u093e\u0902\u0936"},"content":{"rendered":"<h2>\u090f\u0915 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u094b \u0935\u093f\u092d\u093e\u091c\u093f\u0924 \u0915\u0930\u0947\u0902 \u2013 <strong>\u0938\u094d\u0925\u093e\u0928<\/strong><\/h2>\n<p>\u092f\u0939 \u090f\u0915 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u094b \u090f\u0915 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u0935\u093f\u092d\u093e\u091c\u0915 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u0935\u093f\u092d\u093e\u091c\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void splitSample() {\r\n    String line = \"\u308a\u3093\u3054,\u307f\u304b\u3093,\u30d0\u30ca\u30ca\";\r\n    String[] fruits = line.split(\",\");\r\n    for (String fruit : fruits) {\r\n        System.out.println(fruit);\r\n    }\r\n}\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n\u0938\u0947\u092c, \u092e\u0915\u094d\u0915\u093e, \u0915\u0947\u0932\u093e\r\n<\/pre>\n<h2>\u092c\u0941\u0928\u093f\u092f\u093e\u0926\u0940 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0938\u0902\u092f\u094b\u091c\u0928<\/h2>\n<p>\u0906\u092a \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u094b \u091c\u094b\u0921\u093c\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f &quot;+&quot; \u0911\u092a\u0930\u0947\u091f\u0930 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void plusSample() { String s1 = &quot;hello &quot;; String s2 = &quot;world!&quot;; System.out.println(s1 + s2); }\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n\u0939\u0948\u0932\u094b \u0935\u0930\u094d\u0932\u094d\u0921!\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>\u090f\u0915 \u0935\u093f\u092d\u093e\u091c\u0915 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u094b \u0938\u0902\u092f\u094b\u091c\u093f\u0924 \u0915\u0930\u0947\u0902\u0964 <strong>\u0935\u093f\u0937\u092f:<\/strong><\/h2>\n<p>\u092f\u0939 \u092b\u093c\u0902\u0915\u094d\u0936\u0928 \u090f\u0915 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u0938\u0940\u092e\u093e\u0902\u0915\u0915 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u094b \u091c\u094b\u0921\u093c\u0924\u093e \u0939\u0948 (\u092f\u0939 \u0938\u0941\u0935\u093f\u0927\u093e \u091c\u093e\u0935\u093e 8 \u0914\u0930 \u0909\u0938\u0915\u0947 \u092c\u093e\u0926 \u0915\u0947 \u0938\u0902\u0938\u094d\u0915\u0930\u0923\u094b\u0902 \u092e\u0947\u0902 \u0909\u092a\u0932\u092c\u094d\u0927 \u0939\u0948)\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void joinSample() {\r\n    String line = String.join(\",\", \"\u308a\u3093\u3054\", \"\u307f\u304b\u3093\", \"\u30d0\u30ca\u30ca\");\r\n    System.out.println(line);\r\n}\r\n<\/pre>\n<p>\u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u090f\u0930\u0947 \u0915\u094b \u091c\u094b\u0921\u093c\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u091c\u0949\u0907\u0928 \u0911\u092a\u0930\u0947\u091f\u0930 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0909\u0938\u0940 \u0924\u0930\u0939 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/p>\n<pre class=\"sample_src\">\r\npublic static void joinArraySample() {\r\n    String[] fruits = {\"\u308a\u3093\u3054\", \"\u307f\u304b\u3093\", \"\u30d0\u30ca\u30ca\"};\r\n    String line = String.join(\",\", fruits);\r\n    System.out.println(line); \/\/\u7d50\u679c\u306f\u540c\u3058\r\n}\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n\u0938\u0947\u092c, \u0938\u0902\u0924\u0930\u0947, \u0915\u0947\u0932\u0947\r\n<\/pre>\n<h2>\u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0930\u0947\u0902\u091c \u0938\u0947 \u090f\u0915 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0928\u093f\u0915\u093e\u0932\u0947\u0902\u0964 <strong>\u0938\u092c\u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917<\/strong><\/h2>\n<p>\u0906\u092a \u090f\u0915\u094d\u0938\u091f\u094d\u0930\u0948\u0915\u094d\u0936\u0928 \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u093e\u0930\u0902\u092d \u0914\u0930 \u0938\u092e\u093e\u092a\u094d\u0924\u093f \u092c\u093f\u0902\u0926\u0941 \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u0914\u0930 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u0947 \u090f\u0915 \u0939\u093f\u0938\u094d\u0938\u0947 \u0915\u094b \u090f\u0915\u094d\u0938\u091f\u094d\u0930\u0948\u0915\u094d\u091f \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void substringSample() {\r\n    String str = \"hello world!\";\r\n    System.out.println(str.substring(0, 5));\r\n    System.out.println(str.substring(2, 9));\r\n    System.out.println(str.substring(6)); \/\/\u59cb\u70b9\u3060\u3051\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\r\n}\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n\u0939\u0947\u0932\u094b \u0907\u0932\u094b \u0935\u0930\u094d\u0932\u094d\u0921!\r\n<\/pre>\n<h2>\u0906\u0917\u0947 \u0914\u0930 \u092a\u0940\u091b\u0947 \u0915\u0947 \u0930\u093f\u0915\u094d\u0924 \u0938\u094d\u0925\u093e\u0928 \u0939\u091f\u093e \u0926\u0947\u0902\u0964 <strong>\u0915\u093e\u091f-\u091b\u093e\u0902\u091f \u0915\u0930\u0928\u093e<\/strong><\/h2>\n<p>\u092f\u0939 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0938\u0947 \u0936\u0941\u0930\u0941\u0906\u0924 \u0914\u0930 \u0905\u0902\u0924 \u092e\u0947\u0902 \u092e\u094c\u091c\u0942\u0926 \u0930\u093f\u0915\u094d\u0924 \u0938\u094d\u0925\u093e\u0928, \u0932\u093e\u0907\u0928 \u092c\u094d\u0930\u0947\u0915 \u0914\u0930 \u091f\u0948\u092c \u0915\u094b \u0939\u091f\u093e\u0924\u093e \u0939\u0948\u0964<br \/>\n\u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u0947 \u092d\u0940\u0924\u0930 \u092e\u094c\u091c\u0942\u0926 \u0935\u094d\u0939\u093e\u0907\u091f\u0938\u094d\u092a\u0947\u0938 \u0914\u0930 \u092b\u0941\u0932-\u0935\u093f\u0921\u094d\u0925 \u0938\u094d\u092a\u0947\u0938 \u0915\u094b \u0939\u091f\u093e\u092f\u093e \u0928\u0939\u0940\u0902 \u091c\u093e\u090f\u0917\u093e\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void trimSample() { String str = &quot; hello world! &quot;; System.out.println(str.trim()); }\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n\u0939\u0948\u0932\u094b \u0935\u0930\u094d\u0932\u094d\u0921!\r\n<\/pre>\n<h2>\u0915\u093f\u0938\u0940 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u0947 \u090f\u0915 \u092d\u093e\u0917 \u0915\u094b \u0926\u0942\u0938\u0930\u0940 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0938\u0947 \u092c\u0926\u0932\u0947\u0902\u0964 <strong>\u092a\u094d\u0930\u0924\u093f\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902<\/strong><\/h2>\n<p>\u092f\u0939 \u092b\u093c\u0902\u0915\u094d\u0936\u0928 \u0915\u093f\u0938\u0940 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u0947 \u090f\u0915 \u0939\u093f\u0938\u094d\u0938\u0947 \u0915\u094b \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0938\u0947 \u092c\u0926\u0932 \u0926\u0947\u0924\u093e \u0939\u0948\u0964 `replace` \u0938\u092d\u0940 \u092e\u0947\u0932 \u0916\u093e\u0928\u0947 \u0935\u093e\u0932\u0940 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u094b \u092c\u0926\u0932 \u0926\u0947\u0924\u093e \u0939\u0948\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void replaceSample() {\r\n    String str = \"hello world!\";\r\n    System.out.println(str.replace(\"l\", \"\u00d7\"));\r\n}\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\nhe\u00d7\u00d7o wor\u00d7d!\r\n<\/pre>\n<p>`replaceFirst` \u0915\u0947\u0935\u0932 \u092a\u0939\u0932\u0940 \u092e\u0947\u0932 \u0916\u093e\u0928\u0947 \u0935\u093e\u0932\u0940 \u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u0915\u094b \u092c\u0926\u0932\u0924\u093e \u0939\u0948\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void replaceFirstSample() { String str = &quot;hello world!&quot;; System.out.println(str.replaceFirst(&quot;l&quot;, &quot;\u00d7&quot;)); }\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n\u0939\u0947\u0932\u094b \u0935\u0930\u094d\u0932\u094d\u0921!\r\n<\/pre>\n<h2>\u0938\u094d\u091f\u094d\u0930\u093f\u0902\u0917 \u092e\u0947\u0902 \u0935\u0930\u094d\u0923\u094b\u0902 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u0932\u094c\u091f\u093e\u0924\u093e \u0939\u0948\u0964 <strong>\u0906\u0915\u093e\u0930<\/strong><\/h2>\n<p>\u6587\u5b57\u5217\u306e\u6587\u5b57\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002String.length()\u306f\u5358\u7d14\u306b\u6587\u5b57\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void lengthSample() {\r\n    String str = \"\u3007\u3007\u770c\u25a1\u25a1\u5e02\u25b3\u25b3\u753a10-11\";\r\n    System.out.println(str.length());\r\n}\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n14\r\n<\/pre>\n<p>\u092c\u093e\u0907\u091f\u094d\u0938 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e \u091c\u093e\u0928\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f String.getBytes().length \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0947\u0902\u0964 \u091a\u0942\u0902\u0915\u093f \u091c\u093e\u0935\u093e 8 \u0921\u093f\u092b\u093c\u0949\u0932\u094d\u091f \u0935\u0930\u094d\u0923 \u090f\u0928\u094d\u0915\u094b\u0921\u093f\u0902\u0917 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 UTF8 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948, \u0907\u0938\u0932\u093f\u090f \u092a\u094d\u0930\u0924\u094d\u092f\u0947\u0915 \u092a\u0942\u0930\u094d\u0923-\u091a\u094c\u0921\u093c\u093e\u0908 \u0935\u093e\u0932\u093e \u0935\u0930\u094d\u0923 3 \u092c\u093e\u0907\u091f\u094d\u0938 \u0915\u093e \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n<h4>\u0928\u092e\u0942\u0928\u093e \u0915\u094b\u0921<\/h4>\n<pre class=\"sample_src\">\r\npublic static void byteLengthSample() { String str = &quot;\u3007\u3007 Prefecture \u25a1\u25a1 City \u25b3\u25b3 Town 10-11&quot;; System.out.println(str.getBytes().length); }\r\n<\/pre>\n<p>\u092a\u0930\u093f\u0923\u093e\u092e:<\/p>\n<pre class=\"console\">\r\n32\r\n<\/pre>","protected":false},"excerpt":{"rendered":"<p>\u6587\u5b57\u5217\u3092\u5206\u5272\u3059\u308b &#8211; split \u7279\u5b9a\u306e\u6587\u5b57\u5217(\u30c7\u30ea\u30df\u30bf)\u3067\u6587\u5b57\u5217\u3092\u5206\u5272\u3057\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[19],"tags":[],"class_list":["post-4617","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/posts\/4617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/comments?post=4617"}],"version-history":[{"count":8,"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/posts\/4617\/revisions"}],"predecessor-version":[{"id":4628,"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/posts\/4617\/revisions\/4628"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/media?parent=4617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/categories?post=4617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/hi\/wp-json\/wp\/v2\/tags?post=4617"}],"curies":[{"name":"\u0921\u092c\u094d\u0932\u094d\u092f\u0942\u092a\u0940","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}