{"id":31005,"date":"2024-02-14T21:55:41","date_gmt":"2022-11-01T01:07:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/"},"modified":"2025-08-12T21:49:41","modified_gmt":"2025-08-12T13:49:41","slug":"java%e7%9a%84%e6%b3%a8%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/","title":{"rendered":"Java\u7684\u6ce8\u89e3"},"content":{"rendered":"

“\u6807\u6ce8”\u7684\u542b\u4e49\u3002<\/h2>\n

\u7ed9\u7a0b\u5e8f\u6784\u5efa\u8981\u7d20\u9644\u52a0\u5143\u4fe1\u606f\u7684\u8fc7\u7a0b\u79f0\u4e3a\u6ce8\u91ca\u3002\u5728Java\u4e2d\uff0c\u6ce8\u91ca\u7528\u4e8e\u4f20\u9012\u6e90\u4ee3\u7801\u65e0\u6cd5\u5b8c\u5168\u6307\u793a\u8ba1\u7b97\u673a\u7684\u4fe1\u606f\u3002<\/p>\n

\u4e3b\u8981\u7684\u6ce8\u91ca\u5305\u542b\u5728\u6807\u51c6\u5e93\u4e2d\u3002<\/p>\n

\n
\n\n\n\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u540d<\/th>\n\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n\n\nOverride<\/td>\n\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u305f\u30e1\u30bd\u30c3\u30c9<\/td>\n<\/tr>\n\nDeprecated<\/td>\n\u975e\u63a8\u5968\u3067\u3042\u308b\u3053\u3068\u3092\u660e\u793a<\/td>\n<\/tr>\n\nSuppressWarnings<\/td>\n\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6291\u5236<\/td>\n<\/tr>\n\nSafeVarags<\/td>\n\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u306e\u53ef\u5909\u9577\u5f15\u6570\u306e\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6291\u5236<\/td>\n<\/tr>\n\nFunctionalInterface<\/td>\n\u95a2\u6570\u578b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u8868\u793a<\/td>\n<\/tr>\n\nNative<\/td>\n\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u7531\u6765\u3067\u3042\u308b\u3053\u3068\u3092\u660e\u793a<\/td>\n<\/tr>\n<\/tbody>\n<\/div>\n<\/div>\n

\u7528\u6cd5<\/h2>\n

@Override \u5728Java\u7f16\u7a0b\u4e2d\u8868\u793a\u4e00\u4e2a\u65b9\u6cd5\u662f\u8986\u76d6\u7236\u7c7b\u7684\u65b9\u6cd5\u3002<\/h3>\n

\u4f7f\u7528override\u5173\u952e\u5b57\u65f6\uff0c\u4f1a\u751f\u6210\u6ce8\u91ca\u201c\u8be5\u65b9\u6cd5\u662f\u91cd\u5199\u7684\u65b9\u6cd5\u201d\u3002
\n\u5982\u679c\u6ca1\u6709\u57fa\u7840\u65b9\u6cd5\u4e14\u65e0\u6cd5\u79f0\u4e4b\u4e3a\u91cd\u5199\u65b9\u6cd5\uff0c\u5219\u4f1a\u5f15\u53d1\u9519\u8bef\u3002<\/p>\n

\r\nclass<\/span> AnimalOverride<\/span> {<\/span>\r\n    public<\/span> void<\/span> eat<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u3080\u3057\u3083\u3080\u3057\u3083\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nclass<\/span> Animal<\/span> extends<\/span> AnimalOverride<\/span> {<\/span>\r\n    @Override<\/span> \/\/\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3<\/span>\r\n    public<\/span> void<\/span> eat<\/span>()<\/span> {<\/span> \/\/\u30e1\u30bd\u30c3\u30c9\u540d\u304ceat\u4ee5\u5916\u3060\u3068\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u305f\u3053\u3068\u306b\u306a\u3089\u306a\u3044\u306e\u3067\u30a8\u30e9\u30fc<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u3071\u304f\u3071\u304f\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> throws<\/span> Exception<\/span> {<\/span>\r\n        Animal<\/span> animal<\/span> =<\/span> new<\/span> Animal<\/span>();<\/span>\r\n        animal<\/span>.<\/span>eat<\/span>();<\/span> \/\/\u3071\u304f\u3071\u304f\u3068\u51fa\u529b\u3055\u308c\u308b<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u53ea\u6709\u5f53 Animal \u7c7b\u7684\u65b9\u6cd5\u4e0d\u662f eat \u65f6\uff0c\u624d\u4f1a\u63d0\u793a\u9519\u8bef\uff0c\u544a\u8bc9\u4f60\u201c\u6ca1\u6709\u8fdb\u884c\u91cd\u5199\u201d\u3002<\/p>\n
\u5df2\u5f03\u7528<\/h3>\n
\u5f03\u7528\u6807\u8bb0\u7528\u4e8e\u663e\u5f0f\u6307\u793a\u4e0d\u63a8\u8350\u4f7f\u7528\u7684\u5143\u7d20\u3002\u5b83\u7528\u4e8e\u751f\u6210\u201c\u8fd9\u4e2a\u65b9\u6cd5\u6216\u7c7b\u5df2\u88ab\u5f03\u7528\u201d\u7684\u9519\u8bef\u6d88\u606f\uff0c\u4ee5\u4fc3\u4f7f\u5f00\u53d1\u8005\u8fc1\u79fb\u5230\u65b0\u529f\u80fd\u3002<\/p>\n
\r\nclass<\/span> Animal<\/span> {<\/span>\r\n    @Deprecated<\/span> \/\/\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3<\/span>\r\n    public<\/span> void<\/span> eat<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u3080\u3057\u3083\u3080\u3057\u3083\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> throws<\/span> Exception<\/span> {<\/span>\r\n        Animal<\/span> animal<\/span> =<\/span> new<\/span> Animal<\/span>();<\/span>\r\n        animal<\/span>.<\/span>eat<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n\/\/\u5b9f\u884c\u7d50\u679c<\/span>\r\nDocuments<\/span> $<\/span> 1<\/span>java<\/span> animal<\/span>.<\/span>java<\/span>\r\n\u6ce8\u610f<\/span> :<\/span>animal<\/span>.<\/span>java\u306f\u63a8\u5968\u3055\u308c\u306a\u3044API\u3092\u4f7f\u7528\u307e\u305f\u306f\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3066\u3044\u307e\u3059<\/span>\u3002<\/span>\r\n\u6ce8\u610f<\/span> :<\/span>\u8a73\u7d30\u306f<\/span>\u3001<\/span>-<\/span>Xlint:<\/span>deprecation\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u3066\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u304f\u3060\u3055\u3044<\/span>\u3002<\/span>\r\n<\/code><\/pre>\n
\u6291\u5236\u8b66\u544a<\/h3>\n
SuppressWarnings \u662f\u4e00\u4e2a\u7528\u4e8e\u6291\u5236\u8b66\u544a\u7684\u6307\u793a\u3002\u5f53\u7f16\u5199\u4e86\u67d0\u4e9b\u9519\u8bef\u7684\u4ee3\u7801\u65f6\uff0c\u4f1a\u53d1\u751f\u7f16\u8bd1\u9519\u8bef\uff0c\u4f46\u4f7f\u7528\u8fd9\u4e2a\u6ce8\u89e3\u53ef\u4ee5\u6291\u5236\u8b66\u544a\u5e76\u5f3a\u5236\u6267\u884c\u3002
\n\u5728\u62ec\u53f7\u4e2d\u6307\u5b9a\u8981\u6291\u5236\u7684\u8b66\u544a\u7c7b\u578b\u3002<\/p>\n
@SuppressWarnings<\/span>(<\/span>\"divzero\"<\/span>)<\/span> \/\/\u30bc\u30ed\u306b\u5bfe\u3057\u3066\u9664\u7b97\u3057\u3066\u3044\u308b<\/span>\r\n@SuppressWarnings<\/span>(<\/span>\u201c<\/span>unused<\/span>\u201d<\/span>)<\/span> \/\/\u4f7f\u3063\u3066\u3044\u306a\u3044\u5909\u6570\u304c\u3042\u308b<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u5229\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u67e5\u8be2\u53ef\u4ee5\u5728SuppressWarnings\u4e2d\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\uff0c\u8fd9\u53d6\u51b3\u4e8eJava\u7f16\u8bd1\u5668\u3002<\/p>\n
\/\/JDK8\u306e\u5834\u5408<\/span>\r\n$<\/span> javac<\/span> -<\/span>X<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“\u6807\u6ce8”\u7684\u542b\u4e49\u3002 \u7ed9\u7a0b\u5e8f\u6784\u5efa\u8981\u7d20\u9644\u52a0\u5143\u4fe1\u606f\u7684\u8fc7\u7a0b\u79f0\u4e3a\u6ce8\u91ca\u3002\u5728Java\u4e2d\uff0c\u6ce8\u91ca\u7528\u4e8e\u4f20\u9012\u6e90 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31005","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nJava\u7684\u6ce8\u89e3 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJava\u7684\u6ce8\u89e3\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\u7684\u6ce8\u89e3\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u7684\u6ce8\u89e3\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eJava\u7684\u6ce8\u89e3\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684\u6ce8\u89e3\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-01T01:07:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T13:49:41+00:00\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/\",\"name\":\"Java\u7684\u6ce8\u89e3 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2022-11-01T01:07:08+00:00\",\"dateModified\":\"2025-08-12T13:49:41+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458\"},\"description\":\"\u5173\u4e8eJava\u7684\u6ce8\u89e3\u7684\u6280\u672f\u6587\u7ae0\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java\u7684\u6ce8\u89e3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458\",\"name\":\"\u5b87, \u534e\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"caption\":\"\u5b87, \u534e\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java\u7684\u6ce8\u89e3 - Blog - Silicon Cloud","description":"\u5173\u4e8eJava\u7684\u6ce8\u89e3\u7684\u6280\u672f\u6587\u7ae0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684\u6ce8\u89e3\/","og_locale":"zh_CN","og_type":"article","og_title":"Java\u7684\u6ce8\u89e3","og_description":"\u5173\u4e8eJava\u7684\u6ce8\u89e3\u7684\u6280\u672f\u6587\u7ae0","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684\u6ce8\u89e3\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2022-11-01T01:07:08+00:00","article_modified_time":"2025-08-12T13:49:41+00:00","author":"\u5b87, \u534e","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u5b87, \u534e","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/","name":"Java\u7684\u6ce8\u89e3 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2022-11-01T01:07:08+00:00","dateModified":"2025-08-12T13:49:41+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458"},"description":"\u5173\u4e8eJava\u7684\u6ce8\u89e3\u7684\u6280\u672f\u6587\u7ae0","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Java\u7684\u6ce8\u89e3"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458","name":"\u5b87, \u534e","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","caption":"\u5b87, \u534e"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e6%b3%a8%e8%a7%a3\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=31005"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31005\/revisions"}],"predecessor-version":[{"id":81935,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31005\/revisions\/81935"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=31005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=31005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=31005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}