{"id":10886,"date":"2024-03-14T12:58:08","date_gmt":"2024-03-14T12:58:08","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-implement-file-splitting-by-lines-in-java\/"},"modified":"2025-08-04T05:06:53","modified_gmt":"2025-08-04T05:06:53","slug":"how-to-implement-file-splitting-by-lines-in-java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-implement-file-splitting-by-lines-in-java\/","title":{"rendered":"Java File Splitting: Read and Split Files by Lines"},"content":{"rendered":"<p>In Java, you can use the BufferedReader class to read a file line by line and use the split() method of String to split each line&#8217;s content. Here is an example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.BufferedReader;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.FileReader;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.IOException;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Main<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-keyword\">try<\/span> {\r\n            <span class=\"hljs-type\">BufferedReader<\/span> <span class=\"hljs-variable\">reader<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">BufferedReader<\/span>(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileReader<\/span>(<span class=\"hljs-string\">\"file.txt\"<\/span>));\r\n            String line;\r\n            <span class=\"hljs-keyword\">while<\/span> ((line = reader.readLine()) != <span class=\"hljs-literal\">null<\/span>) {\r\n                String[] parts = line.split(<span class=\"hljs-string\">\"\\\\s+\"<\/span>); <span class=\"hljs-comment\">\/\/ \u4f7f\u7528\u7a7a\u683c\u62c6\u5206\u6bcf\u4e00\u884c\u7684\u5185\u5bb9<\/span>\r\n                <span class=\"hljs-keyword\">for<\/span> (String part : parts) {\r\n                    System.out.println(part);\r\n                }\r\n            }\r\n            reader.close();\r\n        } <span class=\"hljs-keyword\">catch<\/span> (IOException e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the code above, we first create a BufferedReader object to read the file &#8220;file.txt&#8221;, and then use a while loop to read the contents of the file line by line. In each line, we use the split(&#8220;\\s+&#8221;) method to split the content of each line using a space as a delimiter, and store the split results in a String array. Finally, we iterate through this array and print each part.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, you can use the BufferedReader class to read a file line by line and use the split() method of String to split each line&#8217;s content. Here is an example code: import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class Main { public static void main(String[] args) { try { BufferedReader reader = new BufferedReader(new [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[6593,10895,13772,87,276],"class_list":["post-10886","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-bufferedreader","tag-file-processing","tag-file-splitting","tag-java","tag-string-manipulation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java File Splitting: Read and Split Files by Lines - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to split files by lines in Java using BufferedReader. 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