{"id":31152,"date":"2023-10-02T02:13:34","date_gmt":"2023-08-06T06:40:43","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/"},"modified":"2025-08-12T22:35:15","modified_gmt":"2025-08-12T14:35:15","slug":"java-%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/","title":{"rendered":"[Java] \u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u9996\u5148\uff0c\u6211\u662f\u4e00\u540d\u521d\u5b66\u8005\uff0c\u5e0c\u671b\u901a\u8fc7\u64b0\u5199\u8fd9\u7bc7\u6587\u7ae0\u6765\u603b\u7ed3\u81ea\u5df1\u5728Java\u65b9\u9762\u7684\u5b66\u4e60\u6210\u679c\uff0c\u5305\u62ec\u901a\u8fc7\u9605\u8bfb\u76f8\u5173\u6587\u672c\u6750\u6599\u7b49\u9014\u5f84\u8fdb\u884c\u7684\u5b66\u4e60\u3002<\/p>\n

\u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f<\/h2>\n

\u8fd9\u662f\u6307\u4e0e\u7c7b\u540d\u76f8\u540c\u7684\u65b9\u6cd5\uff0c\u5728\u5b9e\u4f8b\u751f\u6210\u540e\u81ea\u52a8\u6267\u884c\u7684\u65b9\u6cd5\u3002<\/h4>\n

\u521b\u5efa\u5b9e\u4f8b\u540e\uff0c\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8bbe\u7f6e\u521d\u59cb\u503c\u3002\uff08\u56e0\u4e3a\u65b0\u751f\u6210\u7684\u5b9e\u4f8b\u5b57\u6bb5\uff08\u5982name\u548chp\uff09\u4e3a\u7a7a\uff09<\/p>\n

public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        Hero<\/span> h1<\/span> =<\/span> new<\/span> Hero<\/span>();<\/span>\r\n        h1<\/span>.<\/span>name<\/span> =<\/span> \"\u30bf\u30ed\u30a6\"<\/span>;<\/span>\r\n        h1<\/span>.<\/span>hp<\/span> =<\/span> 100<\/span>;<\/span>\r\n        ...<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u771f\u5b9e\u7684\u5f00\u53d1\u73b0\u573a\u4e2d\uff0c\u7531\u4e8e\u901a\u5e38\u9700\u8981\u591a\u4eba\u5408\u4f5c\u8fdb\u884c\u5f00\u53d1\uff0c\u51e0\u4e4e\u4e0d\u53ef\u80fd\u4e00\u4e2a\u4eba\u5b8c\u6210\u6240\u6709\u7684\u5f00\u53d1\u5de5\u4f5c\u3002
\n\u56e0\u6b64\uff0c\u5728\u521b\u5efa\u7c7b\u65f6\u9700\u8981\u8003\u8651\u5230\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u4e5f\u4f1a\u4f7f\u7528\u8fd9\u4e2a\u7c7b\u3002
\n\u5e76\u4e14\uff0c\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u6bcf\u4e2a\u5f00\u53d1\u8005\u90fd\u80fd\u6b63\u786e\u5730\u7ed9\u53d8\u91cf\u8d4b\u503c\u3002
\n\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u79cd\u60c5\u51b5\uff0cJava\u5141\u8bb8\u9884\u5148\u5b9a\u4e49\u300c\u5728\u5b9e\u4f8b\u88ab\u521b\u5efa\u540e\u81ea\u52a8\u6267\u884c\u7684\u64cd\u4f5c\u300d\u3002
\n\u800c\u8fd9\u4e2a\u64cd\u4f5c\u5c31\u662f\u6784\u9020\u51fd\u6570\u3002<\/p>\n
public<\/span> class<\/span> Hero<\/span> {<\/span>\r\n    String<\/span> name<\/span>;<\/span>\r\n    int<\/span> hp<\/span>;<\/span>\r\n    ...<\/span>\r\n    public<\/span> Hero<\/span>()<\/span> {<\/span>\r\n        thie<\/span>.<\/span>hp<\/span> =<\/span> 100<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u7c7b\u6dfb\u52a0\u4e86\u4e00\u4e2a\u540d\u4e3aHero()\u7684\u65b9\u6cd5\u3002
\n\u56e0\u6b64\uff0c\u8fd9\u4e2a\u7c7b\u5728\u88ab\u5b9e\u4f8b\u5316\u540e\u4f1a\u81ea\u52a8\u6267\u884c\u8be5\u65b9\u6cd5\u3002<\/p>\n
\u53e6\u5916\uff0c\u6784\u9020\u51fd\u6570\u662f\u65e0\u6cd5\u7531\u6211\u4eec\u5f00\u53d1\u8005\u76f4\u63a5\u8c03\u7528\u7684\u3002
\n\u4f46\u4ee5\u4e0b\u60c5\u51b5\u53ef\u4ee5\u8c03\u7528\u3002<\/p>\n
    \n
  • \n
      \u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3057\u305f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304b\u3089\u3001\u5225\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u305b\u308b\uff08 this(); \uff09<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          \u7d99\u627f\u3057\u305f\u5834\u5408\u306f\u5b50\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u3001\u89aa\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u305b\u308b\uff08 super(); \uff09<\/ul>\n<\/li>\n<\/ul>\n
          \u7279\u306b\u7d99\u627f\u3057\u305f\u5834\u5408\u3001\u5b50\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067 super(); \u3092\u3064\u3051\u306a\u3044\u3068\u3001\u89aa\u30af\u30e9\u30b9\u306e\u521d\u671f\u5316\u304c\u884c\u308f\u308c\u305a\u306b\u554f\u984c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066 super(); \u3092\u547c\u3076\u3053\u3068\u3002<\/p>\n
          \u8fd9\u662f\u5728\u5b9e\u4f8b\u521b\u5efa\u65f6\u7531JVM\u8c03\u7528\u7684\u3002<\/p>\n
          JVM\uff1aJava\u865a\u62df\u673a\u3002\u7528\u4e8e\u6267\u884cJava\u7a0b\u5e8f\u7684\u8f6f\u4ef6\u3002<\/p>\n
          \u6784\u9020\u51fd\u6570\u7684\u5b9a\u4e49\u65b9\u5f0f<\/h2>\n
          \u88ab\u89c6\u4e3a\u6784\u9020\u51fd\u6570\u7684\u6761\u4ef6\u3002<\/p>\n
            \n
          1. \n
              \u65b9\u6cd5\u540d\u79f0\u4e0e\u7c7b\u540d\u5b8c\u5168\u76f8\u7b49<\/ol>\n<\/li>\n<\/ol>\n
               <\/p>\n
                \u65b9\u6cd5\u58f0\u660e\u4e2d\u672a\u5199\u660e\u8fd4\u56de\u503c\uff08\u4e0d\u80fd\u662fvoid\uff09<\/ol>\n
                public class \u30af\u30e9\u30b9\u540d {\r\n\u3000\u30af\u30e9\u30b9\u540d() {\r\n\u3000\u3000\u81ea\u52d5\u7684\u306b\u5b9f\u884c\u3059\u308b\u51e6\u7406\r\n\u3000}\r\n}\r\n<\/code><\/pre>\n
                \u5982\u679c\u53ea\u662f\u8981\u628a\u56fa\u5b9a\u503c\u5982100\u8d4b\u503c\u7ed9\u5b57\u6bb5\u53d8\u91cf\u7684\u8bdd\uff0c\u53ea\u9700\u4f7f\u7528\u5b57\u6bb5\u58f0\u660e int hp = 100; \u5c31\u53ef\u4ee5\u4e86\u3002
                \n\u5f53\u6709\u590d\u6742\u6761\u4ef6\u65f6\uff0c\u5efa\u8bae\u4f7f\u7528\u6784\u9020\u51fd\u6570\u3002<\/p>\n
                \u4ec0\u4e48\u662f\u590d\u6742\u7684\u6761\u4ef6\uff1f<\/h3>\n
                \u5728\u6784\u9020\u51fd\u6570\u4e2d\u63a5\u53d7\u53c2\u6570\u4f5c\u4e3a\u9644\u52a0\u4fe1\u606f\u3002<\/h5>\n
                public<\/span> class<\/span> Hero<\/span> {<\/span>\r\n    String<\/span> name<\/span>;<\/span>\r\n    int<\/span> hp<\/span>;<\/span>\r\n    ...<\/span>\r\n    public<\/span> Hero<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n        thie<\/span>.<\/span>hp<\/span> =<\/span> 100<\/span>;<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u5728\u521b\u5efa\u65b0\u5bf9\u8c61\u65f6\uff0c\u8fd8\u53ef\u4ee5\u6307\u5b9a\u540d\u79f0\u7684\u521d\u59cb\u503c\u3002<\/p>\n
                \u4ee5\u4e0b\u662f\u4f20\u9012\u53c2\u6570\u7ed9 new \u7684\u5199\u6cd5\u3002<\/p>\n
                public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        Hero<\/span> h1<\/span> =<\/span> new<\/span> Hero<\/span>(<\/span>\"\u30cf\u30ca\u30b3\"<\/span>);<\/span>\r\n        ...<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u7531\u4e8e\u8fc7\u8f7d\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a\u5b9a\u4e49\u3002<\/h5>\n
                \u203b \u65b9\u6cd5\u91cd\u8f7d\uff1a\u6307\u7684\u662f\u5728\u540c\u4e00\u4e2a\u7c7b\u4e2d\u5b9a\u4e49\u591a\u4e2a\u540c\u540d\u65b9\u6cd5\uff0c\u4f46\u53c2\u6570\u4e0d\u540c\u3002<\/p>\n
                public<\/span> class<\/span> Hero<\/span> {<\/span>\r\n    String<\/span> name<\/span>;<\/span>\r\n    int<\/span> hp<\/span>;<\/span>\r\n    ...<\/span>\r\n    public<\/span> Hero<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n        thie<\/span>.<\/span>hp<\/span> =<\/span> 100<\/span>;<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n    }<\/span>\r\n    \/\/ \u4eca\u56de\u8ffd\u52a0\u3057\u305f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/span>\r\n    public<\/span> Hero<\/span>()<\/span> {<\/span>\r\n        thie<\/span>.<\/span>hp<\/span> =<\/span> 100<\/span>;<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> \"\u30c6\u30b9\u30c8\"<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u8981\u4f7f\u7528\u91cd\u8f7d\u4e86\u6784\u9020\u51fd\u6570\u7684\u7c7b\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n
                public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        Hero<\/span> h1<\/span> =<\/span> new<\/span> Hero<\/span>(<\/span>\"\u30cf\u30ca\u30b3\"<\/span>);<\/span> \/\/ h1.name\u306f\u30cf\u30ca\u30b3<\/span>\r\n        Hero<\/span> h2<\/span> =<\/span> new<\/span> Hero<\/span>();<\/span>        \/\/ h2.name\u306f\u30c6\u30b9\u30c8<\/span>\r\n        ...<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u9690\u5f0f\u6784\u9020\u51fd\u6570<\/h5>\n
                \u6bcf\u4e2a\u7c7b\u90fd\u5fc5\u987b\u5177\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u6784\u9020\u51fd\u6570\u5b9a\u4e49\u3002
                \n\u53ea\u6709\u5f53\u7c7b\u6ca1\u6709\u4efb\u4f55\u6784\u9020\u51fd\u6570\u5b9a\u4e49\u65f6\uff0c\u7f16\u8bd1\u5668\u624d\u4f1a\u81ea\u52a8\u5b9a\u4e49\u4e00\u4e2a\u65e0\u53c2\u6570\u4e14\u6ca1\u6709\u5904\u7406\u5185\u5bb9\u7684\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\u3002<\/p>\n
                public<\/span> class<\/span> Map<\/span> {<\/span>\r\n    ...<\/span>\r\n    public<\/span> Map<\/span>()<\/span> {<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u7528\u666e\u901a\u7684\u65b9\u5f0f\u5199\u4e0b\u6765\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
                public<\/span> class<\/span> Map<\/span> {<\/span>\r\n    ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u8fd9\u53ef\u4ee5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                \u9996\u5148\uff0c\u6211\u662f\u4e00\u540d\u521d\u5b66\u8005\uff0c\u5e0c\u671b\u901a\u8fc7\u64b0\u5199\u8fd9\u7bc7\u6587\u7ae0\u6765\u603b\u7ed3\u81ea\u5df1\u5728Java\u65b9\u9762\u7684\u5b66\u4e60\u6210\u679c\uff0c\u5305\u62ec\u901a\u8fc7\u9605\u8bfb\u76f8\u5173\u6587\u672c\u6750\u6599\u7b49\u9014\u5f84\u8fdb […]<\/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-31152","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n[Java] \u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e[Java] \u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f\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-\u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Java] \u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e[Java] \u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java-\u6784\u9020\u51fd\u6570\u662f\u4ec0\u4e48\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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