{"id":64524,"date":"2025-05-03T13:34:25","date_gmt":"2025-05-03T05:34:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64524\/"},"modified":"2025-05-03T13:34:25","modified_gmt":"2025-05-03T05:34:25","slug":"java%e6%80%8e%e4%b9%88%e6%8c%89%e8%a1%8c%e8%af%bb%e5%8f%96%e6%96%87%e4%bb%b6%e5%b9%b6%e5%ad%98%e4%b8%ba%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64524\/","title":{"rendered":"java\u600e\u4e48\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u4e3a\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u4f7f\u7528scanner\u7c7b\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\uff0c\u5b58\u50a8\u5230\u6570\u7ec4\uff1a\u4f7f\u7528scanner\u521b\u5efa\u6587\u4ef6\u8bfb\u53d6\u5bf9\u8c61\u3002\u7edf\u8ba1\u6587\u4ef6\u884c\u6570\u5e76\u521d\u59cb\u5316\u6570\u7ec4\u3002\u518d\u6b21\u4f7f\u7528scanner\u8bfb\u53d6\u6587\u4ef6\uff0c\u5e76\u5c06\u6bcf\u4e00\u884c\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110323305563778.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u4e3a\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u4e3a\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7528 Java \u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u50a8\u4e3a\u6570\u7ec4<\/strong><\/p>\n<p>\u8981\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u50a8\u4e3a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 Java \u7684 Scanner \u7c7b\u3002\u8fd9\u662f\u4e00\u79cd\u7b80\u5355\u800c\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>import java.io.File;\nimport java.io.FileNotFoundException;\nimport java.util.Scanner;\n\npublic class ReadFileLinesToArray {\n\n    public static void main(String[] args) {\n        \/\/ \u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u6587\u4ef6\u8def\u5f84\n        String filePath = \"path\/to\/file.txt\";\n\n        \/\/ \u58f0\u660e\u4e00\u4e2a String \u6570\u7ec4\u6765\u5b58\u50a8\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\n        String[] lines;\n\n        try {\n            \/\/ \u521b\u5efa\u4e00\u4e2a Scanner \u5bf9\u8c61\u6765\u8bfb\u53d6\u6587\u4ef6\n            Scanner scanner = new Scanner(new File(filePath));\n\n            \/\/ \u7edf\u8ba1\u6587\u4ef6\u4e2d\u7684\u884c\u6570\n            int lineCount = 0;\n            while (scanner.hasNextLine()) {\n                lineCount++;\n                scanner.nextLine();\n            }\n\n            \/\/ \u521d\u59cb\u5316 String \u6570\u7ec4\uff0c\u5927\u5c0f\u4e3a\u884c\u6570\n            lines = new String[lineCount];\n\n            \/\/ \u4f7f\u7528 Scanner \u518d\u6b21\u8bfb\u53d6\u6587\u4ef6\uff0c\u5c06\u6bcf\u4e00\u884c\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\n            scanner = new Scanner(new File(filePath));\n            int index = 0;\n            while (scanner.hasNextLine()) {\n                lines[index] = scanner.nextLine();\n                index++;\n            }\n\n            \/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u884c\n            for (String line : lines) {\n                System.out.println(line);\n            }\n\n        } catch (FileNotFoundException e) {\n            System.out.println(\"\u6587\u4ef6\u672a\u627e\u5230\uff01\" + e.getMessage());\n        }\n    }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u4e3a\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528scanner\u7c7b\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\uff0c\u5b58\u50a8\u5230\u6570\u7ec4\uff1a\u4f7f\u7528scanner\u521b\u5efa\u6587\u4ef6\u8bfb\u53d6\u5bf9\u8c61\u3002\u7edf\u8ba1\u6587\u4ef6\u884c\u6570\u5e76\u521d\u59cb\u5316\u6570\u7ec4\u3002\u518d\u6b21\u4f7f\u7528scanner\u8bfb\u53d6\u6587\u4ef6\uff0c\u5e76\u5c06\u6bcf\u4e00\u884c\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\u3002 \u5982\u4f55\u7528 Java \u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u50a8\u4e3a\u6570\u7ec4 \u8981\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u5b58\u50a8\u4e3a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 Java \u7684 Scanner \u7c7b\u3002\u8fd9\u662f\u4e00\u79cd\u7b80\u5355\u800c\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner; public class ReadFileLinesToArray { public static void main(String[] args) { \/\/ \u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u6587\u4ef6\u8def\u5f84 String filePath = &#8220;path\/to\/file.txt&#8221;; \/\/ \u58f0\u660e\u4e00\u4e2a String \u6570\u7ec4\u6765\u5b58\u50a8\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c String[] lines; try { \/\/ \u521b\u5efa\u4e00\u4e2a Scanner \u5bf9\u8c61\u6765\u8bfb\u53d6\u6587\u4ef6 Scanner scanner = new Scanner(new File(filePath)); \/\/ \u7edf\u8ba1\u6587\u4ef6\u4e2d\u7684\u884c\u6570 int lineCount = 0; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64524","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64524"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64524\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}