{"id":139,"date":"2024-01-29T19:59:28","date_gmt":"2023-01-11T22:33:27","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84%e8%a6%86%e7%9b%96%ef%bc%88overriding%ef%bc%89%e4%b8%8e%e9%87%8d%e8%bd%bd%ef%bc%88overloading%ef%bc%89\/"},"modified":"2025-08-01T00:29:04","modified_gmt":"2025-07-31T16:29:04","slug":"java%e4%b8%ad%e7%9a%84%e8%a6%86%e7%9b%96%ef%bc%88overriding%ef%bc%89%e4%b8%8e%e9%87%8d%e8%bd%bd%ef%bc%88overloading%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84%e8%a6%86%e7%9b%96%ef%bc%88overriding%ef%bc%89%e4%b8%8e%e9%87%8d%e8%bd%bd%ef%bc%88overloading%ef%bc%89\/","title":{"rendered":"Java\u6838\u5fc3\uff1a\u6df1\u5165\u7406\u89e3\u65b9\u6cd5\u8986\u76d6\uff08Override\uff09\u4e0e\u91cd\u8f7d\uff08Overload\uff09"},"content":{"rendered":"

\u5f15\u8a00<\/h3>\n

\u8986\u76d6\uff08Overriding\uff09\u548c\u91cd\u8f7d\uff08Overloading\uff09\u662fJava\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5b83\u4eec\u662f\u5b9e\u73b0Java\u7a0b\u5e8f\u4e2d\u591a\u6001\u6027\u7684\u65b9\u6cd5\u3002\u591a\u6001\u6027\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u7684\u57fa\u672c\u6982\u5ff5\u4e4b\u4e00\u3002<\/p>\n

\"Java\u4e2d\u7684\u8986\u76d6\u4e0e\u91cd\u8f7d\"<\/p>\n

\u5f53\u8d85\u7c7b\u548c\u5b50\u7c7b\u7684\u65b9\u6cd5\u7b7e\u540d\uff08\u540d\u79f0\u548c\u53c2\u6570\uff09\u76f8\u540c\u65f6\uff0c\u79f0\u4e4b\u4e3a\u65b9\u6cd5\u8986\u76d6\uff08\u6216\u91cd\u5199\uff09\u3002\u5f53\u540c\u4e00\u7c7b\u4e2d\u6709\u4e24\u4e2a\u6216\u66f4\u591a\u65b9\u6cd5\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u53c2\u6570\u4e0d\u540c\u65f6\uff0c\u79f0\u4e4b\u4e3a\u65b9\u6cd5\u91cd\u8f7d\u3002<\/p>\n

\u8986\u76d6\u4e0e\u91cd\u8f7d\u7684\u6bd4\u8f83<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n
\u8986\u76d6\uff08Overriding\uff09<\/th>\n\u91cd\u8f7d\uff08Overloading\uff09<\/th>\n<\/tr>\n<\/thead>\n
\u5b9e\u73b0\u201c\u8fd0\u884c\u65f6\u591a\u6001\u201d<\/td>\n\u5b9e\u73b0\u201c\u7f16\u8bd1\u65f6\u591a\u6001\u201d<\/td>\n<\/tr>\n
\u65b9\u6cd5\u8c03\u7528\u5728\u8fd0\u884c\u65f6\u6839\u636e\u5bf9\u8c61\u7c7b\u578b\u786e\u5b9a<\/td>\n\u65b9\u6cd5\u8c03\u7528\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a<\/td>\n<\/tr>\n
\u53d1\u751f\u5728\u8d85\u7c7b\u548c\u5b50\u7c7b\u4e4b\u95f4<\/td>\n\u53d1\u751f\u5728\u540c\u4e00\u7c7b\u4e2d\u7684\u65b9\u6cd5\u4e4b\u95f4<\/td>\n<\/tr>\n
\u5177\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u7b7e\u540d\uff08\u540d\u79f0\u548c\u65b9\u6cd5\u53c2\u6570\uff09<\/td>\n\u5177\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u540d\u79f0\uff0c\u4f46\u53c2\u6570\u4e0d\u540c<\/td>\n<\/tr>\n
\u51fa\u73b0\u9519\u8bef\u65f6\uff0c\u6548\u679c\u5c06\u5728\u8fd0\u884c\u65f6\u53ef\u89c1<\/td>\n\u51fa\u73b0\u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u5728\u7f16\u8bd1\u65f6\u6355\u83b7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u65b9\u6cd5\u8986\u76d6\u548c\u65b9\u6cd5\u91cd\u8f7d\u7684\u793a\u4f8b<\/h2>\n

\u8fd9\u662f\u4e00\u4e2aJava\u7a0b\u5e8f\u4e2d\u91cd\u8f7d\u548c\u91cd\u5199\u7684\u4f8b\u5b50\u3002<\/p>\n

package<\/span> com.<\/span>scdev.<\/span>examples<\/span>;<\/span>\r\n\r\nimport<\/span> java.<\/span>util.<\/span><\/span>Arrays<\/span><\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Processor<\/span> {<\/span>\r\n\r\n\tpublic<\/span> void<\/span> process<\/span>(<\/span>int<\/span> i,<\/span> int<\/span> j)<\/span> {<\/span>\r\n\t\tSystem<\/span>.<\/span>out.<\/span>printf<\/span>(<\/span>\"\u5904\u7406\u4e24\u4e2a\u6574\u6570\uff1a%d, %d\"<\/span>,<\/span> i,<\/span> j)<\/span>;<\/span>\r\n\t}<\/span>\r\n\r\n\tpublic<\/span> void<\/span> process<\/span>(<\/span>int<\/span>[<\/span>]<\/span> ints)<\/span> {<\/span>\r\n\t\tSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"\u6dfb\u52a0\u6574\u6570\u6570\u7ec4\uff1a\"<\/span> +<\/span> Arrays<\/span>.<\/span>toString<\/span>(<\/span>ints)<\/span>)<\/span>;<\/span>\r\n\t}<\/span>\r\n\r\n\tpublic<\/span> void<\/span> process<\/span>(<\/span>Object<\/span>[<\/span>]<\/span> objs)<\/span> {<\/span>\r\n\t\tSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"\u6dfb\u52a0\u5bf9\u8c61\u6570\u7ec4\uff1a\"<\/span> +<\/span> Arrays<\/span>.<\/span>toString<\/span>(<\/span>objs)<\/span>)<\/span>;<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n\r\nclass<\/span> MathProcessor<\/span> extends<\/span> Processor<\/span> {<\/span>\r\n\r\n\t@Override<\/span>\r\n\tpublic<\/span> void<\/span> process<\/span>(<\/span>int<\/span> i,<\/span> int<\/span> j)<\/span> {<\/span>\r\n\t\tSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"\u6574\u6570\u4e4b\u548c\u4e3a \"<\/span> +<\/span> (<\/span>i +<\/span> j)<\/span>)<\/span>;<\/span>\r\n\t}<\/span>\r\n\r\n\t@Override<\/span>\r\n\tpublic<\/span> void<\/span> process<\/span>(<\/span>int<\/span>[<\/span>]<\/span> ints)<\/span> {<\/span>\r\n\t\tint<\/span> sum =<\/span> 0<\/span>;<\/span>\r\n\t\tfor<\/span> (<\/span>int<\/span> i :<\/span> ints)<\/span> {<\/span>\r\n\t\t\tsum +=<\/span> i;<\/span>\r\n\t\t}<\/span>\r\n\t\tSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"\u6574\u6570\u6570\u7ec4\u5143\u7d20\u4e4b\u548c\u4e3a \"<\/span> +<\/span> sum)<\/span>;<\/span>\r\n\t}<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8986\u76d6<\/h3>\n
\u5728\u5b50\u7c7b MathProcessor<\/code> \u4e2d\uff0c\u91cd\u5199\u4e86\u7236\u7c7b Processor<\/code> \u4e2d\u7684 process()<\/code> \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e24\u4e2a int<\/code> \u7c7b\u578b\u53c2\u6570\u3002\u8fd9\u4f53\u73b0\u5728\u4ee3\u7801\u7684\u7b2c 7 \u884c\u548c\u7b2c 23 \u884c\u3002<\/p>\n
public<\/span> class<\/span> Processor<\/span> {<\/span>\r\n\r\n    public<\/span> void<\/span> process<\/span>(<\/span>int<\/span> i,<\/span> int<\/span> j)<\/span><\/mark> {<\/span> \/* ... *\/<\/span> }<\/span>\r\n\r\n}<\/span>\r\n\r\n\/* ... *\/<\/span>\r\n\r\nclass<\/span> MathProcessor<\/span> extends<\/span> Processor<\/span> {<\/span>\r\n \r\n    @Override<\/span>\r\n    public<\/span> void<\/span> process<\/span>(<\/span>int<\/span> i,<\/span> int<\/span> j)<\/span><\/mark> {<\/span>  \/* ... *\/<\/span> }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u5728\u5b50\u7c7b\u4e2d\u8fd8\u91cd\u5199\u4e86 Processor<\/code> \u4e2d\u7684\u53e6\u4e00\u4e2a process()<\/code> \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a int[]<\/code> \u7c7b\u578b\u53c2\u6570\u3002\u8fd9\u4f53\u73b0\u5728\u4ee3\u7801\u7684\u7b2c 11 \u884c\u548c\u7b2c 28 \u884c\u3002<\/p>\n
public<\/span> class<\/span> Processor<\/span> {<\/span>\r\n\r\n    public<\/span> void<\/span> process<\/span>(<\/span>int<\/span>[<\/span>]<\/span> ints)<\/span><\/mark> {<\/span> \/* ... *\/<\/span> }<\/span>\r\n\r\n}<\/span>\r\n\r\n\/* ... *\/<\/span>\r\n\r\nclass<\/span> MathProcessor<\/span> extends<\/span> Processor<\/span> {<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> process<\/span>(<\/span>Object<\/span>[<\/span>]<\/span> objs)<\/span><\/mark> {<\/span> \/* ... *\/<\/span> }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u51fd\u6570\u91cd\u8f7d<\/h3>\n
\u5728 Processor<\/code> \u7c7b\u4e2d\uff0cprocess()<\/code> \u65b9\u6cd5\u8fdb\u884c\u4e86\u91cd\u8f7d\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u7b2c 7\u300111 \u548c 15 \u884c\u5c55\u793a\u4e86 process()<\/code> \u65b9\u6cd5\u7684\u4e0d\u540c\u91cd\u8f7d\u5f62\u5f0f\u3002<\/p>\n
public<\/span> class<\/span> Processor<\/span> {<\/span>\r\n\r\n    public<\/span> void<\/span> process<\/span>(<\/span>int<\/span> i,<\/span> int<\/span> j)<\/span> {<\/span> \/* ... *\/<\/span> }<\/span>\r\n\r\n    public<\/span> void<\/span> process<\/span>(<\/span>int<\/span>[<\/span>]<\/span> ints)<\/span> {<\/span> \/* ... *\/<\/span> }<\/span>\r\n\r\n    public<\/span> void<\/span> process<\/span>(<\/span>Object<\/span>[<\/span>]<\/span> objs)<\/span> {<\/span> \/* ... *\/<\/span> }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7ed3\u8bba<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u6df1\u5165\u63a2\u8ba8\u4e86Java\u4e2d\u7684\u65b9\u6cd5\u8986\u5199\uff08Overriding\uff09\u548c\u65b9\u6cd5\u91cd\u8f7d\uff08Overloading\uff09\u3002\u5f53\u5b50\u7c7b\u7684\u65b9\u6cd5\u7b7e\u540d\u4e0e\u7236\u7c7b\u7684\u65b9\u6cd5\u7b7e\u540d\u5b8c\u5168\u4e00\u81f4\u65f6\uff0c\u5373\u53d1\u751f\u4e86\u65b9\u6cd5\u8986\u5199\u3002\u800c\u5f53\u540c\u4e00\u4e2a\u7c7b\u4e2d\u5b58\u5728\u4e24\u4e2a\u6216\u591a\u4e2a\u65b9\u6cd5\uff0c\u5b83\u4eec\u5177\u6709\u76f8\u540c\u7684\u540d\u79f0\u4f46\u53c2\u6570\u5217\u8868\u4e0d\u540c\u65f6\uff0c\u5219\u79f0\u4e4b\u4e3a\u65b9\u6cd5\u91cd\u8f7d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f15\u8a00 \u8986\u76d6\uff08Overriding\uff09\u548c\u91cd\u8f7d\uff08Overloading\uff09\u662fJava\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5b83\u4eec\u662f\u5b9e\u73b0Java […]<\/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":[189,618,617,615,616],"class_list":["post-139","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-overload","tag-override","tag-615","tag-616"],"yoast_head":"\nJava\u6838\u5fc3\uff1a\u6df1\u5165\u7406\u89e3\u65b9\u6cd5\u8986\u76d6\uff08Override\uff09\u4e0e\u91cd\u8f7d\uff08Overload\uff09 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5168\u9762\u89e3\u6790Java\u4e2d\u65b9\u6cd5\u8986\u76d6\uff08Override\uff09\u4e0e\u65b9\u6cd5\u91cd\u8f7d\uff08Overload\uff09\u7684\u539f\u7406\u3001\u533a\u522b\u3001\u5e94\u7528\u573a\u666f\u53ca\u9762\u8bd5\u5e38\u8003\u70b9\u3002\u52a9\u60a8\u900f\u5f7b\u7406\u89e3Java\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u63d0\u5347\u4ee3\u7801\u8bbe\u8ba1\u80fd\u529b\u3002\" \/>\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\u4e2d\u7684\u8986\u76d6\uff08overriding\uff09\u4e0e\u91cd\u8f7d\uff08overloading\uff09\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u6838\u5fc3\uff1a\u6df1\u5165\u7406\u89e3\u65b9\u6cd5\u8986\u76d6\uff08Override\uff09\u4e0e\u91cd\u8f7d\uff08Overload\uff09\" \/>\n<meta property=\"og:description\" content=\"\u5168\u9762\u89e3\u6790Java\u4e2d\u65b9\u6cd5\u8986\u76d6\uff08Override\uff09\u4e0e\u65b9\u6cd5\u91cd\u8f7d\uff08Overload\uff09\u7684\u539f\u7406\u3001\u533a\u522b\u3001\u5e94\u7528\u573a\u666f\u53ca\u9762\u8bd5\u5e38\u8003\u70b9\u3002\u52a9\u60a8\u900f\u5f7b\u7406\u89e3Java\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u63d0\u5347\u4ee3\u7801\u8bbe\u8ba1\u80fd\u529b\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684\u8986\u76d6\uff08overriding\uff09\u4e0e\u91cd\u8f7d\uff08overloading\uff09\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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