{"id":513,"date":"2024-03-05T16:34:07","date_gmt":"2023-02-09T07:23:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java-%e4%b8%ad%e7%9a%84%e6%8a%bd%e8%b1%a1%e7%b1%bb\/"},"modified":"2025-08-02T14:55:31","modified_gmt":"2025-08-02T06:55:31","slug":"java-%e4%b8%ad%e7%9a%84%e6%8a%bd%e8%b1%a1%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e4%b8%ad%e7%9a%84%e6%8a%bd%e8%b1%a1%e7%b1%bb\/","title":{"rendered":"Java\u62bd\u8c61\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u5b9e\u9645\u5e94\u7528"},"content":{"rendered":"<p>\u5728Java\u4e2d\uff0c\u62bd\u8c61\u7c7b\u7c7b\u4f3c\u4e8e\u63a5\u53e3\uff0c\u4f46\u5b83\u53ef\u4ee5\u5305\u542b\u9ed8\u8ba4\u65b9\u6cd5\u7684\u5b9e\u73b0\u3002\u62bd\u8c61\u7c7b\u53ef\u4ee5\u62e5\u6709\u6ca1\u6709\u5177\u4f53\u5b9e\u73b0\u7684\u62bd\u8c61\u65b9\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u62e5\u6709\u6709\u5177\u4f53\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002\u4f7f\u7528\u5173\u952e\u5b57abstract\u53ef\u4ee5\u521b\u5efa\u62bd\u8c61\u7c7b\u548c\u62bd\u8c61\u65b9\u6cd5\u3002\u5728Java\u4e2d\uff0c\u65e0\u6cd5\u5b9e\u4f8b\u5316\u62bd\u8c61\u7c7b\u3002\u62bd\u8c61\u7c7b\u4e3b\u8981\u7528\u4e8e\u4e3a\u5b50\u7c7b\u63d0\u4f9b\u6269\u5c55\u7684\u57fa\u7840\uff0c\u5b9e\u73b0\u62bd\u8c61\u65b9\u6cd5\u5e76\u91cd\u5199\u6216\u4f7f\u7528\u62bd\u8c61\u7c7b\u4e2d\u5df2\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002<\/p>\n<h2>\u5728Java\u4e2d\u7684\u62bd\u8c61\u7c7b<\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u5728Java\u4e2d\u7684\u62bd\u8c61\u7c7b\u7684\u7b80\u5355\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design;\r\n\r\n\/\/abstract class\r\npublic abstract class Person {\r\n\t\r\n\tprivate String name;\r\n\tprivate String gender;\r\n\t\r\n\tpublic Person(String nm, String gen){\r\n\t\tthis.name=nm;\r\n\t\tthis.gender=gen;\r\n\t}\r\n\t\r\n\t\/\/abstract method\r\n\tpublic abstract void work();\r\n\t\r\n\t@Override\r\n\tpublic String toString(){\r\n\t\treturn \"Name=\"+this.name+\"::Gender=\"+this.gender;\r\n\t}\r\n\r\n\tpublic void changeName(String newName) {\r\n\t\tthis.name = newName;\r\n\t}\t\r\n}\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0cwork()\u662f\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\uff0c\u5b83\u6ca1\u6709\u4efb\u4f55\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5728Java\u4e2d\u7ee7\u627f\u62bd\u8c61\u7c7b\u7684\u5177\u4f53\u7c7b\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code>package com.Olivia.design;\r\n\r\npublic class Employee extends Person {\r\n\t\r\n\tprivate int empId;\r\n\t\r\n\tpublic Employee(String nm, String gen, int id) {\r\n\t\tsuper(nm, gen);\r\n\t\tthis.empId=id;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic void work() {\r\n\t\tif(empId == 0){\r\n\t\t\tSystem.out.println(\"Not working\");\r\n\t\t}else{\r\n\t\t\tSystem.out.println(\"Working as employee!!\");\r\n\t\t}\r\n\t}\r\n\t\r\n\tpublic static void main(String args[]){\r\n\t\t\/\/coding in terms of abstract classes\r\n\t\tPerson student = new Employee(\"Dove\",\"Female\",0);\r\n\t\tPerson employee = new Employee(\"Pankaj\",\"Male\",123);\r\n\t\tstudent.work();\r\n\t\temployee.work();\r\n\t\t\/\/using method implemented in abstract class - inheritance\r\n\t\temployee.changeName(\"Pankaj Kumar\");\r\n\t\tSystem.out.println(employee.toString());\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5728Java\u4e2d\u4f7f\u7528\u7ee7\u627f\uff0c\u5b50\u7c7bEmployee\u7ee7\u627f\u4e86\u7236\u7c7bPerson\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u8fd8\u8981\u6ce8\u610fEmployee\u7c7b\u4e2d\u4f7f\u7528\u4e86Override\u6ce8\u89e3\u3002\u9605\u8bfb\u66f4\u591a\u5173\u4e8e\u4e3a\u4ec0\u4e48\u6211\u4eec\u5728\u91cd\u5199\u4e00\u4e2a\u65b9\u6cd5\u65f6\u5e94\u8be5\u59cb\u7ec8\u4f7f\u7528Override\u6ce8\u89e3\u7684\u539f\u56e0\u3002<\/p>\n<h3>Java\u4e2d\u7684\u62bd\u8c61\u7c7b\u91cd\u8981\u8981\u70b9<\/h3>\n<ol>\u62bd\u8c61\u5173\u952e\u5b57\u7528\u4e8e\u5728Java\u4e2d\u521b\u5efa\u62bd\u8c61\u7c7b\u3002<br \/>\nJava\u4e2d\u7684\u62bd\u8c61\u7c7b\u4e0d\u80fd\u88ab\u5b9e\u4f8b\u5316\u3002<br \/>\n\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u62bd\u8c61\u5173\u952e\u5b57\u6765\u521b\u5efa\u62bd\u8c61\u65b9\u6cd5\uff0c\u62bd\u8c61\u65b9\u6cd5\u6ca1\u6709\u5177\u4f53\u5b9e\u73b0\u3002<br \/>\n\u5982\u679c\u4e00\u4e2a\u7c7b\u6709\u62bd\u8c61\u65b9\u6cd5\uff0c\u5219\u8be5\u7c7b\u5e94\u8be5\u4f7f\u7528\u62bd\u8c61\u5173\u952e\u5b57\u8fdb\u884c\u58f0\u660e\uff0c\u5426\u5219\u5c06\u65e0\u6cd5\u7f16\u8bd1\u901a\u8fc7\u3002<br \/>\n\u5373\u4f7f\u62bd\u8c61\u7c7b\u6ca1\u6709\u58f0\u660e\u4efb\u4f55\u62bd\u8c61\u65b9\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u5c06\u5176\u6807\u8bb0\u4e3a\u62bd\u8c61\u7c7b\u3002<br \/>\n\u5982\u679c\u62bd\u8c61\u7c7b\u6ca1\u6709\u4efb\u4f55\u65b9\u6cd5\u5b9e\u73b0\uff0c\u6700\u597d\u4f7f\u7528\u63a5\u53e3\uff0c\u56e0\u4e3aJava\u4e0d\u652f\u6301\u591a\u7ee7\u627f\u3002<br \/>\nJava\u4e2d\u7684\u62bd\u8c61\u7c7b\u7684\u5b50\u7c7b\u5fc5\u987b\u5b9e\u73b0\u6240\u6709\u62bd\u8c61\u65b9\u6cd5\uff0c\u9664\u975e\u5b50\u7c7b\u4e5f\u662f\u62bd\u8c61\u7c7b\u3002<br \/>\n\u63a5\u53e3\u4e2d\u7684\u6240\u6709\u65b9\u6cd5\u9690\u5f0f\u5730\u662f\u62bd\u8c61\u7684\uff0c\u9664\u975e\u63a5\u53e3\u65b9\u6cd5\u662f\u9759\u6001\u6216\u9ed8\u8ba4\u65b9\u6cd5\u3002\u9759\u6001\u65b9\u6cd5\u548c\u9ed8\u8ba4\u65b9\u6cd5\u662f\u5728Java 8\u4e2d\u6dfb\u52a0\u7684\uff0c\u8be6\u7ec6\u4fe1\u606f\u8bf7\u9605\u8bfbJava 8\u63a5\u53e3\u66f4\u6539\u3002<br \/>\nJava\u62bd\u8c61\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u63a5\u53e3\uff0c\u800c\u4e0d\u9700\u8981\u63d0\u4f9b\u63a5\u53e3\u65b9\u6cd5\u7684\u5b9e\u73b0\u3002<br \/>\nJava\u62bd\u8c61\u7c7b\u7528\u4e8e\u4e3a\u6240\u6709\u5b50\u7c7b\u63d0\u4f9b\u516c\u5171\u65b9\u6cd5\u5b9e\u73b0\u6216\u9ed8\u8ba4\u5b9e\u73b0\u3002<br \/>\n\u5982\u679c\u62bd\u8c61\u7c7b\u6709main()\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf\u8fd0\u884c\u5176\u4ed6\u7c7b\u4e00\u6837\u8fd0\u884c\u5b83\u3002<\/ol>\n<p>\u8fd9\u5c31\u662f\u5173\u4e8eJava\u4e2d\u62bd\u8c61\u7c7b\u7684\u5168\u90e8\u5185\u5bb9\u3002\u5982\u679c\u6211\u9057\u6f0f\u4e86\u4efb\u4f55\u91cd\u8981\u4fe1\u606f\uff0c\u8bf7\u901a\u8fc7\u8bc4\u8bba\u8ba9\u6211\u4eec\u77e5\u9053\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Java\u4e2d\uff0c\u62bd\u8c61\u7c7b\u7c7b\u4f3c\u4e8e\u63a5\u53e3\uff0c\u4f46\u5b83\u53ef\u4ee5\u5305\u542b\u9ed8\u8ba4\u65b9\u6cd5\u7684\u5b9e\u73b0\u3002\u62bd\u8c61\u7c7b\u53ef\u4ee5\u62e5\u6709\u6ca1\u6709\u5177\u4f53\u5b9e\u73b0\u7684\u62bd\u8c61\u65b9\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u62e5\u6709\u6709 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[225,180,1534,1535,921],"class_list":{"0":"post-513","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-java","9":"tag-1534","10":"tag-1535","11":"tag-921"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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