{"id":31323,"date":"2023-11-21T18:22:11","date_gmt":"2023-07-29T00:25:00","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e8%ae%b0%e5%bd%95%e7%b1%bb\/"},"modified":"2025-08-12T23:26:52","modified_gmt":"2025-08-12T15:26:52","slug":"java%e7%9a%84%e8%ae%b0%e5%bd%95%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e8%ae%b0%e5%bd%95%e7%b1%bb\/","title":{"rendered":"Java\u7684\u8bb0\u5f55\u7c7b"},"content":{"rendered":"<h1>\u8fd9\u7bc7\u6587\u7ae0\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u5728DDD\uff08\u9886\u57df\u9a71\u52a8\u8bbe\u8ba1\uff09\u4e2d\uff0c\u8981\u6c42\u503c\u5bf9\u8c61\u662f\u4e0d\u53ef\u53d8\u7684\u3002\u5982\u679c\u53ef\u80fd\u7684\u8bdd\uff0c\u5b9e\u4f53\u5bf9\u8c61\u4e5f\u5e94\u8be5\u662f\u4e0d\u53ef\u53d8\u7684\u3002<\/p>\n<p>\u56e0\u4e3a\u8bb0\u5f55\u7c7b\u53ef\u4ee5\u88ab\u5f3a\u5236\u8bbe\u4e3a\u4e0d\u53ef\u53d8\u7684\uff0c\u6240\u4ee5\u4e0e\u9886\u57df\u9a71\u52a8\u8bbe\u8ba1\uff08DDD\uff09\u975e\u5e38\u517c\u5bb9\u3002<\/p>\n<p>\u65e0\u8bba\u662fDDD\u8fd8\u662f\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u65f6\uff0c\u5c3d\u91cf\u4f7f\u5bf9\u8c61\u6210\u4e3a\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u56e0\u4e3a\u610f\u5916\u7684\u5bf9\u8c61\u72b6\u6001\u53d8\u5316\u800c\u9677\u5165\u65e0\u804a\u7684\u9519\u8bef\u4e4b\u4e2d\uff0c\u6211\u8ba4\u4e3a\u8fd9\u6837\u505a\u662f\u66f4\u597d\u7684\u3002<\/p>\n<p>\u76ee\u524d\u4e16\u754c\u4e0a\u5b58\u5728\u7740\u5927\u91cf\u76f2\u76ee\u5730\u521b\u5efagetter\/setter\u7684\u601d\u7ef4\u505c\u6ede\u7684\u7f16\u7a0b\uff0c\u800c\u50cfLombok\u8fd9\u6837\u7684\u5e93\u6b63\u52a9\u957f\u7740\u8fd9\u79cd\u7cdf\u7cd5\u7f16\u7a0b\u7684\u5927\u91cf\u4ea7\u751f\u3002\u867d\u7136\u6211\u4e0d\u4f1a\u8bf4&#8221;Lombok\u7b49\u4e8e\u5168\u90e8\u90fd\u662f\u574f\u7684&#8221;\uff0c\u4f46\u4f7f\u7528\u5b83\u53ef\u4ee5\u8f7b\u677e\u5730\u7f16\u5199\u4ee3\u7801\uff08\u5c3d\u7ba1\u6709\u4e9b\u4e0d\u5b89\u5168\uff09\uff0c\u800c\u4e0d\u7528\u601d\u8003\u4e3a\u4ec0\u4e48\u8981\u5c06\u5b57\u6bb5\u8bbe\u7f6e\u4e3a\u79c1\u6709\uff0c\u662f\u5426\u771f\u7684\u9700\u8981setter\uff0c\u56e0\u6b64\u6211\u5728\u53c2\u4e0e\u7684\u9879\u76ee\u4e2d\u7981\u6b62\u4f7f\u7528Lombok\u3002<\/p>\n<p>\u901a\u8fc7\u79ef\u6781\u5730\u4f7f\u7528\u81eaJava 16\u6b63\u5f0f\u5b9e\u73b0\u7684\u8bb0\u5f55\u7c7b\uff0c\u53ef\u4ee5\u786e\u4fdd\u81f3\u5c11\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u5e76\u4e14\u65e0\u9700\u4f7f\u7528\u50cfLombok\u8fd9\u6837\u7684\u5e93\uff0c\u5c31\u80fd\u591f\u5728\u8bed\u8a00\u7ea7\u522b\u4e0a\u521b\u5efa\u7b80\u5355\u4e14\u5b89\u5168\u7684\u7c7b\u3002\u56e0\u6b64\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u57fa\u672c\u7684\u5199\u4f5c\u65b9\u5f0f\u3002<\/p>\n<h3>\u5531\u7247\u8bfe\u7a0b\u7684\u529f\u80fd<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d5\u30a3\u30fc\u30eb\u30c9\u304c private final\u3067\u5f37\u5236\u3055\u308c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306b\u306a\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3001toString\u3001equqls\u3001hashCode \u5404\u30e1\u30bd\u30c3\u30c9\u304c\u81ea\u52d5\u5b9f\u88c5\u3055\u308c\u30b3\u30fc\u30c9\u304c\u30b7\u30f3\u30d7\u30eb\u306b\u306a\u308b\u305f\u3081\u3001\u672c\u5f53\u306b\u5fc5\u8981\u306a\u696d\u52d9\u30ed\u30b8\u30c3\u30af\u306b\u6ce8\u76ee\u3067\u304d\u308b<\/ul>\n<h1>\u524d\u63d0 t\u00ed)<\/h1>\n<p>\uff08Please note that this is the only option provided for this request, as per the given instructions. However, Chinese is a highly contextual language, and the translation may vary depending on the specific context.\uff09<\/p>\n<p>Java16\u53ca\u4ee5\u540e\u7248\u672c\uff08Java14\u4e3a\u9884\u89c8\u7248\uff09<\/p>\n<h1>\u9019\u500b\u554f\u984c<\/h1>\n<p>\u6211\u5c06\u5206\u522b\u5728\u4f20\u7edf\u7c7b\u548c\u8bb0\u5f55\u7c7b\u4e2d\u5199\u51fa\u4e00\u4e2a\u901a\u5e38\u7684ValueObject\u3002<\/p>\n<h2>\u666e\u901a\u7684Java\u7c7b<\/h2>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Objects<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">final<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Title<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">private<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">value<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">Title<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">value<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">value<\/span> <span class=\"o\">=<\/span> <span class=\"n\">value<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">value<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">value<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@Override<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">boolean<\/span> <span class=\"nf\">equals<\/span><span class=\"o\">(<\/span><span class=\"nc\">Object<\/span> <span class=\"n\">obj<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">obj<\/span> <span class=\"o\">==<\/span> <span class=\"k\">this<\/span><span class=\"o\">)<\/span> <span class=\"k\">return<\/span> <span class=\"kc\">true<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">obj<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span> <span class=\"o\">||<\/span> <span class=\"n\">obj<\/span><span class=\"o\">.<\/span><span class=\"na\">getClass<\/span><span class=\"o\">()<\/span> <span class=\"o\">!=<\/span> <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">getClass<\/span><span class=\"o\">())<\/span> <span class=\"k\">return<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"kt\">var<\/span> <span class=\"n\">that<\/span> <span class=\"o\">=<\/span> <span class=\"o\">(<\/span><span class=\"nc\">Title<\/span><span class=\"o\">)<\/span> <span class=\"n\">obj<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nc\">Objects<\/span><span class=\"o\">.<\/span><span class=\"na\">equals<\/span><span class=\"o\">(<\/span><span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">value<\/span><span class=\"o\">,<\/span> <span class=\"n\">that<\/span><span class=\"o\">.<\/span><span class=\"na\">value<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@Override<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">int<\/span> <span class=\"nf\">hashCode<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nc\">Objects<\/span><span class=\"o\">.<\/span><span class=\"na\">hash<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@Override<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">toString<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s\">\"Title[\"<\/span> <span class=\"o\">+<\/span>\r\n                <span class=\"s\">\"value=\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">value<\/span> <span class=\"o\">+<\/span> <span class=\"sc\">']'<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u4e0e\u4e0a\u8ff0\u76f8\u540c\u4e49\u7684\u8bb0\u5f55\u7c7b<\/h3>\n<p>\u53d8\u5f97\u8d85\u7ea7\u7b80\u5355<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"n\">record<\/span> <span class=\"nf\">Title<\/span><span class=\"o\">(<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">value<\/span>\r\n<span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u53ef\u4ee5\u8986\u76d6\u6784\u9020\u51fd\u6570<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"n\">record<\/span> <span class=\"nf\">Title<\/span><span class=\"o\">(<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">value<\/span>\r\n<span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">Title<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">value<\/span><span class=\"o\">){<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">value<\/span> <span class=\"o\">=<\/span> <span class=\"n\">value<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"hoge\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u53ef\u4ee5\u8fdb\u884c Bean \u9a8c\u8bc1<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">javax.validation.constraints.NotEmpty<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"n\">record<\/span> <span class=\"nf\">Title<\/span><span class=\"o\">(<\/span>\r\n    <span class=\"nd\">@NotEmpty<\/span><span class=\"o\">(<\/span><span class=\"n\">message<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u30bf\u30a4\u30c8\u30eb\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">value<\/span>\r\n<span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u53ef\u4ee5\u5b9e\u73b0\u4efb\u4f55\u65b9\u6cd5<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"n\">record<\/span> <span class=\"nf\">Title<\/span><span class=\"o\">(<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">value<\/span>\r\n<span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">int<\/span> <span class=\"nf\">length<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">value<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff1f \u5728DDD\uff08\u9886\u57df\u9a71\u52a8\u8bbe\u8ba1\uff09\u4e2d\uff0c\u8981\u6c42\u503c\u5bf9\u8c61\u662f\u4e0d\u53ef\u53d8\u7684\u3002\u5982\u679c\u53ef\u80fd\u7684\u8bdd\uff0c\u5b9e\u4f53\u5bf9\u8c61\u4e5f\u5e94\u8be5\u662f\u4e0d\u53ef\u53d8 [&hellip;]<\/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-31323","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u7684\u8bb0\u5f55\u7c7b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJava\u7684\u8bb0\u5f55\u7c7b\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\u8bb0\u5f55\u7c7b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" 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