{"id":202974,"date":"2025-05-22T11:04:35","date_gmt":"2025-05-22T03:04:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202974\/"},"modified":"2025-05-22T11:04:35","modified_gmt":"2025-05-22T03:04:35","slug":"java%e5%87%bd%e6%95%b0%e5%9c%a8%e5%8f%af%e9%9d%a0%e6%80%a7%e6%96%b9%e9%9d%a2%e7%9a%84%e4%bc%98%e5%8a%bf%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202974\/","title":{"rendered":"Java\u51fd\u6570\u5728\u53ef\u9760\u6027\u65b9\u9762\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u51fd\u6570\u5728\u53ef\u9760\u6027\u65b9\u9762\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aJava\u51fd\u6570\u5728\u53ef\u9760\u6027\u65b9\u9762\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p>Java \u51fd\u6570\u4ee5\u591a\u79cd\u65b9\u5f0f\u786e\u4fdd\u53ef\u9760\u6027\uff0c\u5305\u62ec\uff1a1. \u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u5141\u8bb8\u4f18\u96c5\u5730\u5904\u7406\u9519\u8bef\uff1b2. Java \u865a\u62df\u673a\uff0c\u63d0\u4f9b\u5783\u573e\u56de\u6536\u3001\u5b89\u5168\u68c0\u67e5\u548c\u5b57\u8282\u7801\u9a8c\u8bc1\uff1b3. \u51fd\u6570\u7ec4\u5408\uff0c\u652f\u6301\u53ef\u9760\u5730\u94fe\u63a5\u591a\u4e2a\u51fd\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730009324671dd8ecc8885.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u5728\u53ef\u9760\u6027\u65b9\u9762\u7684\u4f18\u52bf<\/strong><\/p>\n<p>\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u53ef\u9760\u6027\u662f\u4e00\u4e2a\u5173\u952e\u56e0\u7d20\uff0c\u5b83\u51b3\u5b9a\u4e86\u5e94\u7528\u7a0b\u5e8f\u5728\u6545\u969c\u6216\u9519\u8bef\u60c5\u51b5\u4e0b\u6301\u7eed\u8fd0\u884c\u7684\u80fd\u529b\u3002Java \u51fd\u6570\u901a\u8fc7\u4ee5\u4e0b\u7279\u6027\u63d0\u4f9b\u4e86\u53ef\u9760\u6027\u4f18\u52bf\uff1a<\/p>\n<p><strong>\u5f02\u5e38\u5904\u7406<\/strong><\/p>\n<p>Java \u51fd\u6570\u5c06\u5f02\u5e38\u5904\u7406\u673a\u5236\u5185\u7f6e\u5230\u5176\u8bed\u6cd5\u4e2d\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u5bf9\u9519\u8bef\u548c\u5f02\u5e38\u60c5\u51b5\u8fdb\u884c\u4f18\u96c5\u7684\u5904\u7406\u3002\u901a\u8fc7\u660e\u786e\u5730\u6355\u83b7\u5f02\u5e38\u5e76\u6267\u884c\u9002\u5f53\u7684\u6062\u590d\u64cd\u4f5c\uff0c\u51fd\u6570\u53ef\u4ee5\u9632\u6b62\u7a0b\u5e8f\u610f\u5916\u7ec8\u6b62\u6216\u4ea7\u751f\u4e0d\u53ef\u9884\u6599\u7684\u884c\u4e3a\u3002<\/p>\n<p><strong>Java \u865a\u62df\u673a<\/strong><\/p>\n<p>Java \u865a\u62df\u673a\uff08JVM\uff09\u662f Java \u4ee3\u7801\u8fd0\u884c\u7684\u73af\u5883\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u79cd\u529f\u80fd\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u51fd\u6570\u7684\u53ef\u9760\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u5783\u573e\u56de\u6536:<\/strong> JVM \u81ea\u52a8\u7ba1\u7406\u5bf9\u8c61\u7684\u5185\u5b58\uff0c\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u3002\u8fd9\u6d88\u9664\u4e86\u624b\u52a8\u5185\u5b58\u7ba1\u7406\u7684\u9519\u8bef\uff0c\u4f8b\u5982\u5185\u5b58\u6cc4\u6f0f\u548c\u6bb5\u9519\u8bef\u3002<\/li>\n<li><strong>\u5b89\u5168\u68c0\u67e5:<\/strong> JVM \u6267\u884c\u5b89\u5168\u68c0\u67e5\uff0c\u68c0\u6d4b\u548c\u5904\u7406\u51fd\u6570\u4e2d\u7684\u6f5c\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u4f8b\u5982\u7a7a\u6307\u9488\u5f02\u5e38\u548c\u5185\u5b58\u8d85\u51fa\u8303\u56f4\u9519\u8bef\u3002<\/li>\n<li><strong>\u5b57\u8282\u7801\u9a8c\u8bc1:<\/strong> JVM \u5728\u6267\u884c\u51fd\u6570\u5b57\u8282\u7801\u4e4b\u524d\u5bf9\u5176\u8fdb\u884c\u9a8c\u8bc1\uff0c\u68c0\u67e5\u4ee3\u7801\u662f\u5426\u7b26\u5408 Java \u89c4\u8303\u3002\u8fd9\u6709\u52a9\u4e8e\u5728\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u4e4b\u524d\u6355\u83b7\u4ee3\u7801\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p><strong>\u51fd\u6570\u7ec4\u5408<\/strong><\/p>\n<p>Java \u51fd\u6570\u652f\u6301\u51fd\u6570\u7ec4\u5408\uff0c\u5141\u8bb8\u5c06\u591a\u4e2a\u51fd\u6570\u94fe\u63a5\u5728\u4e00\u8d77\u5f62\u6210\u66f4\u590d\u6742\u7684\u64cd\u4f5c\u3002\u51fd\u6570\u7ec4\u5408\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u521b\u5efa\u5177\u6709\u7279\u5b9a\u4efb\u52a1\u7684\u6a21\u5757\u5316\u51fd\u6570\uff0c\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u53ef\u9760\u5730\u7ec4\u5408\u5728\u4e00\u8d77\u6267\u884c\u590d\u6742\u7684\u64cd\u4f5c\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u6765\u5904\u7406\u6587\u4ef6\u8bfb\u5199\u9519\u8bef\u7684 Java \u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<pre>import java.io.File;\nimport java.io.FileNotFoundException;\nimport java.io.IOException;\n\npublic class FileIO {\n\n    public static void readFile(String path) throws IOException {\n        try {\n            File file = new File(path);\n            \/\/ \u6267\u884c\u6587\u4ef6\u8bfb\u64cd\u4f5c\n        } catch (FileNotFoundException e) {\n            throw new IOException(\"File not found\", e);\n        }\n    }\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>readFile<\/code> \u51fd\u6570\u6355\u83b7 <code>FileNotFoundException<\/code> \u5f02\u5e38\uff0c\u5e76\u5728\u53d1\u751f\u6587\u4ef6\u672a\u627e\u5230\u9519\u8bef\u65f6\u629b\u51fa <code>IOException<\/code>\u3002\u901a\u8fc7\u5904\u7406\u8fd9\u4e2a\u5f02\u5e38\uff0c\u51fd\u6570\u53ef\u4ee5\u9632\u6b62\u610f\u5916\u7684\u7a0b\u5e8f\u7ec8\u6b62\uff0c\u5e76\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u4f18\u96c5\u5730\u5904\u7406\u9519\u8bef\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>Java \u51fd\u6570\u901a\u8fc7\u5f02\u5e38\u5904\u7406\u3001Java \u865a\u62df\u673a\u7279\u6027\u548c\u51fd\u6570\u7ec4\u5408\u63d0\u4f9b\u4e86\u53ef\u9760\u6027\u4f18\u52bf\u3002\u901a\u8fc7\u9002\u5f53\u5229\u7528\u8fd9\u4e9b\u7279\u6027\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u521b\u5efa\u53ef\u9760\u3001\u7a33\u5b9a\u7684 Java \u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aJava\u51fd\u6570\u5728\u53ef\u9760\u6027\u65b9\u9762\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u51fd\u6570\u5728\u53ef\u9760\u6027\u65b9\u9762\u7684\u4f18\u52bf\u662f&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202974","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202974"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202974\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}