{"id":921,"date":"2022-10-14T20:15:59","date_gmt":"2022-10-14T12:15:59","guid":{"rendered":"https:\/\/qaqaq.top\/?p=921"},"modified":"2022-11-27T12:39:52","modified_gmt":"2022-11-27T04:39:52","slug":"%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e4%b8%8b-%e5%a4%8d%e4%b9%a0%ef%bc%9a%e6%8a%bd%e8%b1%a1%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=921","title":{"rendered":"\u9762\u5411\u5bf9\u8c61(\u4e0b)&#8211;\u590d\u4e60\uff1a\u62bd\u8c61\u7c7b"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>abstract\uff1a\u62bd\u8c61\u7684\r\n1. \u53ef\u4ee5\u7528\u6765\u4fee\u9970\uff1a\u7c7b\u3001\u65b9\u6cd5\r\n2. \u5177\u4f53\u7684\uff1a\r\n * abstract\u4fee\u9970\u7c7b\uff1a\u62bd\u8c61\u7c7b\r\n * \t\t> \u6b64\u7c7b\u4e0d\u80fd\u5b9e\u4f8b\u5316\r\n * \t\t> \u62bd\u8c61\u7c7b\u4e2d\u4e00\u5b9a\u6709\u6784\u9020\u5668\uff0c\u4fbf\u4e8e\u5b50\u7c7b\u5b9e\u4f8b\u5316\u65f6\u8c03\u7528\uff08\u6d89\u53ca\uff1a\u5b50\u7c7b\u5bf9\u8c61\u5b9e\u4f8b\u5316\u7684\u5168\u8fc7\u7a0b\uff09\r\n * \t\t> \u5f00\u53d1\u4e2d\uff0c\u90fd\u4f1a\u63d0\u4f9b\u62bd\u8c61\u7c7b\u7684\u5b50\u7c7b\uff0c\u8ba9\u5b50\u7c7b\u5bf9\u8c61\u5b9e\u4f8b\u5316\uff0c\u5b8c\u6210\u76f8\u5173\u7684\u64cd\u4f5c --->\u62bd\u8c61\u7684\u4f7f\u7528\u524d\u63d0\uff1a\u7ee7\u627f\u6027\r\n* abstract\u4fee\u9970\u65b9\u6cd5\uff1a\u62bd\u8c61\u65b9\u6cd5\r\n * \t\t> \u62bd\u8c61\u65b9\u6cd5\u53ea\u6709\u65b9\u6cd5\u7684\u58f0\u660e\uff0c\u6ca1\u6709\u65b9\u6cd5\u4f53\r\n * \t\t> \u5305\u542b\u62bd\u8c61\u65b9\u6cd5\u7684\u7c7b\uff0c\u4e00\u5b9a\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\u3002\u53cd\u4e4b\uff0c\u62bd\u8c61\u7c7b\u4e2d\u53ef\u4ee5\u6ca1\u6709\u62bd\u8c61\u65b9\u6cd5\u7684\u3002\r\n * \t\t> \u82e5\u5b50\u7c7b\u91cd\u5199\u4e86\u7236\u7c7b\u4e2d\u7684\u6240\u6709\u7684\u62bd\u8c61\u65b9\u6cd5\u540e\uff0c\u6b64\u5b50\u7c7b\u65b9\u53ef\u5b9e\u4f8b\u5316\r\n * \t\t> \u82e5\u5b50\u7c7b\u6ca1\u6709\u91cd\u5199\u7236\u7c7b\u4e2d\u7684\u6240\u6709\u7684\u62bd\u8c61\u65b9\u6cd5\uff0c\u5219\u6b64\u5b50\u7c7b\u4e5f\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u9700\u8981\u4f7f\u7528abstract\u4fee\u9970\r\n3. \u6ce8\u610f\u70b9\uff1a\r\n * abstract\u4f7f\u7528\u4e0a\u7684\u6ce8\u610f\u70b9\uff1a\r\n * 1. abstract\u4e0d\u80fd\u7528\u6765\u4fee\u9970\uff1a\u5c5e\u6027\u3001\u6784\u9020\u5668\u7b49\u7ed3\u6784\r\n * \r\n * 2. abstract\u4e0d\u80fd\u7528\u6765\u4fee\u9970\u79c1\u6709\u65b9\u6cd5\u3001\u9759\u6001\u65b9\u6cd5\u3001final\u7684\u65b9\u6cd5\u3001final\u7c7b\r\n4. abstract\u7684\u5e94\u7528\u4e3e\u4f8b\uff1a\r\n\u4e3e\u4f8b\u4e8c\uff1a\r\n\r\nabstract class Geometric0bject{\r\n\r\n\tpublic abstract double findArea();\r\n}\r\n\r\nclass Circle extends Geometric0bject{\r\n\tprivate double radius;\r\n\tpublic double findArea(){\r\n\r\n\t\treturn 3.14 * radius * radius;\r\n\t}\r\n}\r\n\r\n\u4e3e\u4f8b\u4e09\uff1aIO\u6d41\u4e2d\u6d89\u53ca\u5230\u7684\u62bd\u8c61\u7c7b\uff1aInputStream \/ OutputStream \/ Reader \/ Writer\u3002\u5728\u5176\u5185\u90e8\u5b9a\u4e49\u4e86\u62bd\u8c61\u7684read()\u3001write()\u65b9\u6cd5\u3002\r\n\r\n\r\n\u62bd\u8c61\u7c7b\u7684\u4f7f\u7528\u524d\u63d0\uff1a\u591a\u6001\u6027\r\nmain(){\r\n\tPerson p = ...\r\n}\r\n\r\npublic void method(Person p){\r\n\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[46],"class_list":["post-921","post","type-post","status-publish","format-standard","hentry","category-java-","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/921"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=921"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/921\/revisions"}],"predecessor-version":[{"id":922,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/921\/revisions\/922"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}