{"id":31044,"date":"2022-11-10T13:29:05","date_gmt":"2023-06-26T15:39:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%9f%ba%e7%a1%80-%e4%bb%80%e4%b9%88%e6%98%afjava%e7%bb%a7%e6%89%bf\/"},"modified":"2025-08-12T22:02:03","modified_gmt":"2025-08-12T14:02:03","slug":"java%e5%9f%ba%e7%a1%80-%e4%bb%80%e4%b9%88%e6%98%afjava%e7%bb%a7%e6%89%bf","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%9f%ba%e7%a1%80-%e4%bb%80%e4%b9%88%e6%98%afjava%e7%bb%a7%e6%89%bf\/","title":{"rendered":"[Java\u57fa\u7840] \u4ec0\u4e48\u662fJava\u7ee7\u627f?"},"content":{"rendered":"<h2>Java\u7684\u7ee7\u627f\u610f\u5473\u7740\u4ec0\u4e48\uff1f<\/h2>\n<p>\u5f53\u521b\u5efa\u4e00\u4e2a\u7c7b\u65f6\uff0c\u5bf9\u7c7b\u7684\u4e00\u90e8\u5206\u8fdb\u884c\u66f4\u6539\u4ee5\u4fbf\u91cd\u590d\u4f7f\u7528\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002<br \/>\n\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ef\u4ee5\u7ee7\u627f\u5728\u67d0\u4e2a\u7c7b\u4e2d\u5b9a\u4e49\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9a\u5236\u72ec\u6709\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u4f5c\u4e3a\u5dee\u5f02\u3002<br \/>\n\u5c06\u7ee7\u627f\u7684\u7c7b\u79f0\u4e3a\u201c\u7236\u7c7b\u201d\u3002<\/p>\n<h2>\u901a\u8fc7\u7ee7\u627f\u5b50\u7c7b\u6765\u521b\u5efa<\/h2>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">EmployeeDev<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">EmployeeBase<\/span> <span class=\"o\">{<\/span>\r\n   <span class=\"kd\">public<\/span> <span class=\"nf\">EmployeeDev<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n   <span class=\"o\">}<\/span>\r\n   <span class=\"kd\">public<\/span> <span class=\"nf\">EmployeeDev<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">employeeName<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n     <span class=\"kd\">super<\/span><span class=\"o\">.<\/span><span class=\"na\">setEmployeeName<\/span><span class=\"o\">(<\/span><span class=\"n\">employeeName<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"kd\">super<\/span><span class=\"o\">.<\/span><span class=\"na\">setDivisionName<\/span><span class=\"o\">(<\/span><span class=\"n\">\u5f15\u6570\u3092\u6307\u5b9a<\/span><span class=\"o\">);<\/span>\r\n   <span class=\"o\">}<\/span>\r\n <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u4e2a\uff0c\u7ee7\u627f\u8d85\u7c7b\u7684&#8221;EmployeeBase\u7c7b&#8221;\u7684\u5b50\u7c7b&#8221;EmployeeDev\u7c7b&#8221;\u5df2\u7ecf\u5b8c\u6210\u3002<\/p>\n<h3>\u7ee7\u627f\u7684\u597d\u5904<\/h3>\n<p>\u5982\u679c\u4fee\u6539\u4e86\u539f\u59cb\u8d85\u7c7b\u7684\u7ee7\u627f\uff0c\u90a3\u4e48\u7ee7\u627f\u7684\u5b50\u7c7b\u4e5f\u4f1a\u53cd\u6620\u8fd9\u79cd\u53d8\u5316\u3002\u5f53\u7136\uff0c\u5728\u4e0d\u4f7f\u7528\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u72ec\u7acb\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u5b9e\u73b0\u5bf9\u7ee7\u627f\u7684\u5b50\u7c7b\u7684\u9ad8\u6548\u5f00\u53d1\uff0c\u800c\u65e0\u9700\u8fdb\u884c\u8fc7\u5ea6\u7684\u5b9a\u4e49\u6216\u4fee\u6539\u3002<\/p>\n<p>Java \u7684 asList \u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6570\u7ec4\u8f6c\u6362\u6210\u4e00\u4e2a\u5217\u8868\u3002<\/p>\n<p>public static List asList(A&#8230;B) &#8211; \u4ee5A\u4e3a\u4efb\u610f\u7c7b\u578b\uff0c\u5c06B\u8f6c\u6362\u4e3a\u5217\u8868<\/p>\n<p>\u5c3d\u7ba1Java\u4e2d\u5df2\u7ecf\u5185\u7f6e\u4e86\u6570\u7ec4\u4f5c\u4e3a\u4e00\u79cd\u673a\u5236\uff0c\u4f46\u4ece\u89c4\u8303\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u9996\u5148\u5e94\u8be5\u4f18\u5148\u4f7f\u7528\u96c6\u5408\u6846\u67b6\u3002<br \/>\n\u539f\u56e0\u5982\u4e0b\uff1a<br \/>\n&#8211; \u96c6\u5408\u6846\u67b6\u5728\u529f\u80fd\u4e0a\u66f4\u4e3a\u4f18\u8d8a\uff0c\u6839\u636e\u7528\u9014\u63d0\u4f9b\u4e86\u5404\u79cd\u4e0d\u540c\u7684\u7c7b\u3002<br \/>\n&#8211; \u4f5c\u4e3a\u7c7b\u5e93\uff0c\u5b83\u4e0e\u5176\u4ed6\u7c7b\u7684\u517c\u5bb9\u6027\u4e5f\u5f88\u9ad8\u3002<br \/>\nasList\u65b9\u6cd5\u7684\u529f\u80fd\u53ea\u662f\u5c06\u6570\u7ec4\u5305\u88c5\u6210\u4e00\u4e2a\u96c6\u5408\u6846\u67b6\u4e2d\u53ef\u4ee5\u4f7f\u7528\u7684\u5217\u8868\u3002<br \/>\n\u56e0\u6b64\uff0c\u5bf9\u5217\u8868\u7684\u66f4\u6539\u5c06\u76f4\u63a5\u53cd\u6620\u5728\u539f\u59cb\u6570\u7ec4\u4e0a\uff0c\u4f46\u6dfb\u52a0\/\u5220\u9664\u64cd\u4f5c\u5c06\u5bfc\u81f4UnsupportedOperationException\u5f02\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u7684\u7ee7\u627f\u610f\u5473\u7740\u4ec0\u4e48\uff1f \u5f53\u521b\u5efa\u4e00\u4e2a\u7c7b\u65f6\uff0c\u5bf9\u7c7b\u7684\u4e00\u90e8\u5206\u8fdb\u884c\u66f4\u6539\u4ee5\u4fbf\u91cd\u590d\u4f7f\u7528\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002 \u4e5f\u5c31\u662f\u8bf4\uff0c\u53ef\u4ee5\u7ee7\u627f\u5728 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31044","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast 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