{"id":31158,"date":"2023-08-10T06:06:14","date_gmt":"2023-02-02T07:47:44","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e6%8e%a5%e5%8f%a3\/"},"modified":"2025-08-12T22:37:02","modified_gmt":"2025-08-12T14:37:02","slug":"java-%e6%8e%a5%e5%8f%a3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e6%8e%a5%e5%8f%a3\/","title":{"rendered":"[ Java ] \u63a5\u53e3"},"content":{"rendered":"

\u8fd9\u6b21\u6211\u4eec\u6765\u5199\u4e00\u4e0b\u63a5\u53e3\u3002<\/p>\n

\u63a5\u53e3\u662f\u3002<\/h2>\n

\u4e3a\u4e86\u540e\u7eed\u5b9e\u73b0\u548c\u4f7f\u7528\u65b9\u6cd5\u3002
\n\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u52a0\u6cd5\u548c\u51cf\u6cd5\u5f52\u7c7b\u4e3a\u8ba1\u7b97\u3002\u8fd9\u65f6\uff0c\u8ba1\u7b97\u662f\u63a5\u53e3\uff0c\u800c\u52a0\u6cd5\u548c\u51cf\u6cd5\u662f\u5b9e\u73b0\u63a5\u53e3\u7684\u7c7b\u3002<\/p>\n

\u4f7f\u7528\u754c\u9762\u8fdb\u884c\u7f16\u7a0b\u3002<\/h2>\n

\u63a5\u53e3\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u5b9a\u4e49\u3002<\/p>\n

\/\/interface \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d{}<\/span>\r\ninterface<\/span> Calc<\/span>{}<\/span>\r\n<\/code><\/pre>\n
\u5728\u63a5\u53e3\u4e2d\uff1a
\n– \u5b57\u6bb5\uff1a\u53ea\u80fd\u58f0\u660e\u5e38\u91cf\uff08\u9690\u5f0f\u5730\u88ab\u4fee\u9970\u4e3apublic static final\uff09
\n– \u65b9\u6cd5\uff1a\u53ea\u80fd\u5b9a\u4e49\u62bd\u8c61\u65b9\u6cd5\uff08\u9690\u5f0f\u5730\u88ab\u4fee\u9970\u4e3apublic abstract\uff09
\n\u8fd9\u662f\u89c4\u5b9a\u597d\u7684\u3002<\/p>\n
interface<\/span> Calc<\/span>{<\/span>\r\n    int<\/span> NUM1<\/span> =<\/span> 1<\/span>;<\/span> \/\/\u4fee\u98fe\u5b50\u306fpublic static final\u304c\u7701\u7565\u3055\u308c\u3066\u3044\u308b<\/span>\r\n    int<\/span> NUM2<\/span> =<\/span> 10<\/span>;<\/span>\r\n\r\n    void<\/span> calc<\/span>();<\/span> \/\/\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u4f7f\u7528implements\u8fdb\u884c\u5b9e\u73b0\u65f6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u63a5\u53e3\u3002
\n\u5047\u8bbe\u6709\u4e00\u4e2a\u7528\u4e8e\u6267\u884c\u52a0\u6cd5\u8fd0\u7b97\u7684\u7c7b\u8fdb\u884c\u63a5\u53e3\u5b9e\u73b0\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
\/\/class \u30af\u30e9\u30b9\u540d implements\u3000\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d{}<\/span>\r\nclass<\/span> Plus<\/span> implements<\/span> Calc<\/span>{<\/span>\r\n    public<\/span> void<\/span> calc<\/span>(){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span> NUM1<\/span> +<\/span> NUM2<\/span> );<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u603b\u7ed3<\/h2>\n
\u63a5\u53e3\u4e0e\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u6709\u5173\u3002\u5b83\u662f\u5f00\u53d1\u4e2d\u7684\u91cd\u8981\u6982\u5ff5\uff0c\u5e0c\u671b\u60a8\u80fd\u591f\u638c\u63e1\u3002\u5c31\u8fd9\u6837\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u6b21\u6211\u4eec\u6765\u5199\u4e00\u4e0b\u63a5\u53e3\u3002 \u63a5\u53e3\u662f\u3002 \u4e3a\u4e86\u540e\u7eed\u5b9e\u73b0\u548c\u4f7f\u7528\u65b9\u6cd5\u3002 \u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u52a0\u6cd5\u548c\u51cf\u6cd5\u5f52\u7c7b\u4e3a\u8ba1\u7b97\u3002\u8fd9\u65f6\uff0c\u8ba1\u7b97\u662f\u63a5\u53e3 […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31158","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n[ Java ] \u63a5\u53e3 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e[ Java ] \u63a5\u53e3\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java-\u63a5\u53e3\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[ Java ] \u63a5\u53e3\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e[ Java ] \u63a5\u53e3\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java-\u63a5\u53e3\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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