{"id":31547,"date":"2023-05-23T08:32:35","date_gmt":"2023-04-10T23:00:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%b0%81%e8%a3%85%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/"},"modified":"2024-04-30T05:32:15","modified_gmt":"2024-04-29T21:32:15","slug":"java%e5%b0%81%e8%a3%85%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%b0%81%e8%a3%85%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/","title":{"rendered":"Java\u5c01\u88c5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u4ec0\u4e48\u662f\u5c01\u88c5\uff1f<\/h1>\n

\u9650\u5236\u5bf9\u7c7b\u7684\u5b57\u6bb5\u548c\u65b9\u6cd5\u7684\u8bbf\u95ee\u7684\u529f\u80fd\u3002
\n\u5176\u4f5c\u7528\u662f\u9632\u6b62\u5b57\u6bb5\u548c\u65b9\u6cd5\u88ab\u7528\u4e8e\u610f\u5916\u7684\u7528\u9014\u3002<\/p>\n

\/\/\u4f8b\uff1a\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u6587\u5b57\u5217\u306ename\u3001\u6574\u6570\u306emoney\u3092\u6301\u3064User\u30af\u30e9\u30b9<\/span>\r\npublic<\/span> class<\/span> User<\/span> {<\/span>\r\n    String<\/span> name<\/span>;<\/span>\r\n    int<\/span> money<\/span>;<\/span>\r\n\r\n    public<\/span> User<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
User\u7c7b\u7684\u5b9e\u4f8b\u7684name\u548cmoney\u53ef\u4ee5\u968f\u610f\u66f4\u6539\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        User<\/span> user<\/span> =<\/span> new<\/span> User<\/span>(<\/span>\"\u9234\u6728\u592a\u90ce\"<\/span>,<\/span> 100<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>name<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>money<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n\/\/\u7a7a\u767d\u306e\u540d\u524d\u306b\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3084<\/span>\r\n        user<\/span>.<\/span>name<\/span> =<\/span> \"\"<\/span>;<\/span>\r\n\/\/\u91d1\u984d\u304c\u30de\u30a4\u30ca\u30b9\u306b\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b<\/span>\r\n        user<\/span>.<\/span>money<\/span> =<\/span> -<\/span>1000<\/span>;<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>name<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>money<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u9234\u6728\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f100\u5186\r\n\u306e\u6240\u6301\u91d1\u306f-1000\u5186\r\n<\/code><\/pre>\n
\u5c01\u88c5\u65b9\u6cd5<\/h1>\n
\u4e3a\u4e86\u5c01\u88c5\uff0c\u9700\u8981\u5c06\u4e0d\u5e0c\u671b\u5176\u4ed6\u7c7b\u4fee\u6539\u7684\u5b57\u6bb5\u548c\u65b9\u6cd5\u7684\u8bbf\u95ee\u4fee\u9970\u7b26\u8bbe\u4e3a\u79c1\u6709\u3002<\/p>\n
\u901a\u8fc7\u8fd9\u6837\u505a\u53ef\u4ee5\u9632\u6b62\u5176\u4ed6\u73ed\u7ea7\u5bf9\u5176\u8fdb\u884c\u66f4\u6539\u3002<\/p>\n
\u8bbe\u5b9a\u79c1\u6709\u5b57\u6bb5\u548c\u516c\u5171\u65b9\u6cd5\u662f\u5e38\u7528\u7684\u505a\u6cd5\u3002<\/p>\n
\/\/\u4f8b\uff1aUser\u30af\u30e9\u30b9\u3092\u30ab\u30d7\u30bb\u30eb\u5316<\/span>\r\npublic<\/span> class<\/span> User<\/span> {<\/span>\r\n    private<\/span> String<\/span> name<\/span>;<\/span>\r\n    private<\/span> int<\/span> money<\/span>;<\/span>\r\n\r\n    public<\/span> User<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u79c1\u6709\u5b57\u6bb5\u7684\u8bbf\u95ee\u65b9\u5f0f<\/h1>\n
\u5c06\u5b57\u6bb5\u8bbe\u7f6e\u4e3a\u79c1\u6709\u540e\uff0c\u5176\u4ed6\u7c7b\u5c06\u65e0\u6cd5\u83b7\u53d6\u548c\u4fee\u6539\u8be5\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n
public<\/span> class<\/span> User<\/span> {<\/span>\r\n\/\/\u3053\u306e\u307e\u307e\u3060\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306ename, money\u304c\u5909\u66f4\u3067\u304d\u306a\u3044<\/span>\r\n    private<\/span> String<\/span> name<\/span>;<\/span>\r\n    private<\/span> int<\/span> money<\/span>;<\/span>\r\n\r\n    public<\/span> User<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u5728\u7c7b\u4e2d\u5b9a\u4e49\u7528\u4e8e\u83b7\u53d6\u548c\u4fee\u6539\u5b57\u6bb5\u503c\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u4ece\u7c7b\u5916\u90e8\u83b7\u53d6\u548c\u4fee\u6539\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n
\u7528\u4e8e\u83b7\u53d6\u5b57\u6bb5\u503c\u7684\u65b9\u6cd5\u79f0\u4e3agetter\uff0c\u7528\u4e8e\u4fee\u6539\u5b57\u6bb5\u503c\u7684\u65b9\u6cd5\u79f0\u4e3asetter\u3002<\/p>\n
\u83b7\u53d6\u5668\u7684\u5b9a\u4e49\u65b9\u5f0f<\/h2>\n
\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cGetter\u65b9\u6cd5\u7684\u547d\u540d\u65b9\u5f0f\u662f\u201cget\u5b57\u6bb5\u540d\u201d\u3002\u5b83\u8fd4\u56de\u5b57\u6bb5\u7684\u503c\u4f5c\u4e3a\u8fd4\u56de\u503c\u3002<\/p>\n
\/\/\u4f8b\uff1aUser\u30af\u30e9\u30b9\u306bname\u3001money\u306e\u30b2\u30c3\u30bf\u30fc\u3092\u8ffd\u52a0<\/span>\r\npublic<\/span> class<\/span> User<\/span> {<\/span>\r\n    private<\/span> String<\/span> name<\/span>;<\/span>\r\n    private<\/span> int<\/span> money<\/span>;<\/span>\r\n\r\n    public<\/span> User<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/name\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span>\r\n        return<\/span> this<\/span>.<\/span>name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/money\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> int<\/span> getMoney<\/span>()<\/span> {<\/span>\r\n        return<\/span> this<\/span>.<\/span>money<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\/\/\u30b2\u30c3\u30bf\u30fc\u3092\u4f7f\u3063\u3066name\u3068money\u3092\u53d6\u5f97<\/span>\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> {<\/span>\r\n        User<\/span> user<\/span> =<\/span> new<\/span> User<\/span>(<\/span>\"\u9234\u6728\u592a\u90ce\"<\/span>,<\/span> 100<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u9234\u6728\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f100\u5186\r\n<\/code><\/pre>\n
\u62e6\u7f51\u624b\u7684\u5b9a\u4e49\u65b9\u6cd5<\/h2>\n
\u4e00\u822c\u6765\u8bf4\uff0cSetter\u65b9\u6cd5\u7684\u547d\u540d\u901a\u5e38\u662f\u6309\u7167\u300cset\u5b57\u6bb5\u540d\u300d\u7684\u65b9\u5f0f\u8fdb\u884c\u7684\u3002
\n\u8fd9\u4e9b\u65b9\u6cd5\u5c06\u63a5\u6536\u5230\u7684\u53c2\u6570\u503c\u8d4b\u7ed9\u76f8\u5e94\u7684\u5b57\u6bb5\u3002<\/p>\n
\/\/\u4f8b\uff1aUser\u30af\u30e9\u30b9\u306bname\u3001money\u306e\u30bb\u30c3\u30bf\u30fc\u3092\u8ffd\u52a0<\/span>\r\npublic<\/span> class<\/span> User<\/span> {<\/span>\r\n    private<\/span> String<\/span> name<\/span>;<\/span>\r\n    private<\/span> int<\/span> money<\/span>;<\/span>\r\n\r\n    public<\/span> User<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/name\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span>\r\n        return<\/span> this<\/span>.<\/span>name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/name\u306e\u30bb\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> void<\/span> setName<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/money\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> int<\/span> getMoney<\/span>()<\/span> {<\/span>\r\n        return<\/span> this<\/span>.<\/span>money<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/money\u306e\u30bb\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> void<\/span> setMoney<\/span>(<\/span>int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\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        User<\/span> user<\/span> =<\/span> new<\/span> User<\/span>(<\/span>\"\u9234\u6728\u592a\u90ce\"<\/span>,<\/span> 100<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n        user<\/span>.<\/span>setName<\/span>(<\/span>\"\u4f50\u85e4\u592a\u90ce\"<\/span>);<\/span>\r\n        user<\/span>.<\/span>setMoney<\/span>(<\/span>500<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u9234\u6728\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f100\u5186\r\n\u4f50\u85e4\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f500\u5186\r\n<\/code><\/pre>\n
\u4f7f\u7528Getter\u3001Setter\u7684\u597d\u5904<\/h2>\n
\u53ef\u80fd\u4f1a\u8ba4\u4e3a\u4f7f\u7528Getter\u548cSetter\u53ef\u4ee5\u8bbf\u95ee\u548c\u4fee\u6539\u79c1\u6709\u5b57\u6bb5\uff0c\u6240\u4ee5\u4e0e\u516c\u6709\u5b57\u6bb5\u6ca1\u6709\u533a\u522b\u3002\u4f46\u662f\uff0c\u4f7f\u7528Getter\u548cSetter\u6709\u4ee5\u4e0b\u4f18\u70b9\u3002<\/p>\n
1. \u53ef\u4ee5\u5c06\u5b57\u6bb5\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\u6216\u8005\u53ea\u5199<\/h3>\n
\u53ea\u9700\u5b9a\u4e49getter\u800c\u4e0d\u5b9a\u4e49setter\u7684\u5b57\u6bb5\u5c06\u53d8\u4e3a\u53ea\u8bfb\uff0c\u53ef\u4ee5\u9632\u6b62\u4ece\u5176\u4ed6\u7c7b\u4e2d\u8fdb\u884c\u4fee\u6539\uff0c\u540c\u65f6\u53ef\u4ee5\u4f7f\u7528\u8be5\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n
\u800c\u4e14\uff0c\u5bf9\u4e8e\u5b57\u6bb5\u53ea\u5b9a\u4e49\u4e86setter\u65b9\u6cd5\uff0c\u800c\u6ca1\u6709\u5b9a\u4e49getter\u65b9\u6cd5\u7684\u8bdd\uff0c\u6b64\u5b57\u6bb5\u5c31\u53d8\u6210\u4e86\u53ea\u8bfb\u7684\u3002\uff08\u7136\u800c\uff0c\u8fd9\u79cd\u7528\u6cd5\u5e76\u4e0d\u5e38\u89c1\uff09<\/p>\n
\/\/\u4f8b\uff1aUser\u30af\u30e9\u30b9\u306emoney\u306e\u30bb\u30c3\u30bf\u30fc\u3092\u7121\u52b9\u306b\u3057\u3066money\u3092\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306b\u3059\u308b<\/span>\r\npublic<\/span> class<\/span> User<\/span> {<\/span>\r\n    private<\/span> String<\/span> name<\/span>;<\/span>\r\n    private<\/span> int<\/span> money<\/span>;<\/span>\r\n\r\n    public<\/span> User<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/name\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span>\r\n        return<\/span> this<\/span>.<\/span>name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/name\u306e\u30bb\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> void<\/span> setName<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/money\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> int<\/span> getMoney<\/span>()<\/span> {<\/span>\r\n        return<\/span> this<\/span>.<\/span>money<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/money\u306e\u30bb\u30c3\u30bf\u30fc\u304c\u7121\u3051\u308c\u3070<\/span>\r\n\/\/\u4ed6\u306e\u30af\u30e9\u30b9\u304b\u3089money\u304c\u5909\u66f4\u3055\u308c\u308b\u306e\u3092\u9632\u3052\u308b<\/span>\r\n\/\/<\/span>\r\n\/\/  public void setMoney(int money) {<\/span>\r\n\/\/      this.money = money;<\/span>\r\n\/\/  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
2. \u66f4\u6539\u5b57\u6bb5\u540d\u79f0\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u7c7b\u3002<\/h3>\n
\u5f53\u5728\u540e\u671f\u66f4\u6539\u5b57\u6bb5\u540d\u79f0\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u4f7f\u7528getter\u548csetter\uff0c\u5c31\u9700\u8981\u4fee\u6539\u6240\u6709\u4f7f\u7528\u8be5\u5b57\u6bb5\u7684\u7c7b\u7684\u4ee3\u7801\u3002<\/p>\n
\u7136\u800c\uff0c\u5982\u679c\u4f7f\u7528\u4e86getter\u548csetter\uff0c\u53ea\u9700\u4fee\u6539getter\u548csetter\u65b9\u6cd5\u5185\u7684\u4ee3\u7801\u5373\u53ef\u89e3\u51b3\u3002<\/p>\n
\/\/\u4f8b\uff1aUser\u30af\u30e9\u30b9\u306ename\u3092userName\u306b\u5909\u66f4\u3057\u3066\u3082\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u306f\u5909\u66f4\u4e0d\u8981<\/span>\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> {<\/span>\r\n        User<\/span> user<\/span> =<\/span> new<\/span> User<\/span>(<\/span>\"\u9234\u6728\u592a\u90ce\"<\/span>,<\/span> 100<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n        user<\/span>.<\/span>setName<\/span>(<\/span>\"\u4f50\u85e4\u592a\u90ce\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\npublic<\/span> class<\/span> User<\/span> {<\/span>\r\n    private<\/span> String<\/span> userName<\/span>;<\/span> \/\/name -> userName\u306b\u5909\u66f4<\/span>\r\n    private<\/span> int<\/span> money<\/span>;<\/span>\r\n\r\n    public<\/span> User<\/span>(<\/span>String<\/span> userName<\/span>,<\/span> int<\/span> money<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>userName<\/span> =<\/span> userName<\/span>;<\/span>\r\n        this<\/span>.<\/span>money<\/span> =<\/span> money<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/userName\u306e\u30b2\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span>\r\n        return<\/span> this<\/span>.<\/span>userName<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/userName\u306e\u30bb\u30c3\u30bf\u30fc<\/span>\r\n    public<\/span> void<\/span> setName<\/span>(<\/span>String<\/span> userName<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>userName<\/span> =<\/span> userName<\/span>;<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\/\/\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u306buserName\u3068\u3044\u3046\u5909\u6570\u304c\u767b\u5834\u3057\u306a\u3044\u306e\u3067\u30b3\u30fc\u30c9\u5909\u66f4\u4e0d\u8981<\/span>\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> {<\/span>\r\n        User<\/span> user<\/span> =<\/span> new<\/span> User<\/span>(<\/span>\"\u9234\u6728\u592a\u90ce\"<\/span>,<\/span> 100<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n        user<\/span>.<\/span>setName<\/span>(<\/span>\"\u4f50\u85e4\u592a\u90ce\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u9234\u6728\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f100\u5186\r\n\u4f50\u85e4\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f100\u5186\r\n<\/code><\/pre>\n
\u5728\u4fee\u6539\u5b57\u6bb5\u503c\u4e4b\u524d\uff0c\u53ef\u4ee5\u8fdb\u884c\u503c\u7684\u68c0\u67e5\u3002<\/h3>\n
\u901a\u8fc7\u5728setter\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u68c0\u67e5\u53c2\u6570\u503c\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u9632\u6b62\u5b57\u6bb5\u7684\u503c\u88ab\u66f4\u6539\u4e3a\u610f\u5916\u7684\u503c\u3002<\/p>\n
\u5728\u4fee\u6539User\u7c7b\u7684userName\u4e4b\u524d\uff0c\u68c0\u67e5\u5b57\u7b26\u6570\u662f\u5426\u5408\u9002\u3002<\/p>\n
\/\/userName\u306e\u30bb\u30c3\u30bf\u30fc<\/span>\r\n\/\/\u5f15\u6570\u306e\u6587\u5b57\u5217\u304c3\u6587\u5b57\u4ee5\u4e0a10\u6587\u5b57\u4ee5\u5185\u306a\u3089userName\u3092\u5909\u66f4<\/span>\r\n    public<\/span> void<\/span> setName<\/span>(<\/span>String<\/span> userName<\/span>)<\/span> {<\/span>\r\n        if<\/span> (<\/span>userName<\/span>.<\/span>length<\/span>()<\/span> <<\/span> 3<\/span>)<\/span> {<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u540d\u524d\u304c\u77ed\u904e\u304e\u307e\u3059\"<\/span>);<\/span>\r\n        }<\/span> else<\/span> if<\/span> (<\/span>userName<\/span>.<\/span>length<\/span>()<\/span> ><\/span> 11<\/span>)<\/span> {<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u540d\u524d\u304c\u9577\u904e\u304e\u307e\u3059\"<\/span>);<\/span>\r\n        }<\/span> else<\/span> {<\/span>\r\n            this<\/span>.<\/span>userName<\/span> =<\/span> userName<\/span>;<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u540d\u524d\u3092\u300c\"<\/span> +<\/span> this<\/span>.<\/span>userName<\/span> +<\/span> \"\u300d\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\"<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\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        User<\/span> user<\/span> =<\/span> new<\/span> User<\/span>(<\/span>\"\u9234\u6728\u592a\u90ce\"<\/span>,<\/span> 100<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n        user<\/span>.<\/span>setName<\/span>(<\/span>\"\u9234\u6728\"<\/span>);<\/span>\r\n        user<\/span>.<\/span>setName<\/span>(<\/span>\"\u4ffa\u306e\u540d\u524d\u306f\u9234\u6728\u592a\u90ce\uff01\uff01\"<\/span>);<\/span>\r\n        user<\/span>.<\/span>setName<\/span>(<\/span>\"\u4f50\u85e4\u592a\u90ce\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>user<\/span>.<\/span>getName<\/span>()<\/span> +<\/span> \"\u306e\u6240\u6301\u91d1\u306f\"<\/span> +<\/span> user<\/span>.<\/span>getMoney<\/span>()<\/span> +<\/span> \"\u5186\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u9234\u6728\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f100\u5186\r\n\u540d\u524d\u304c\u77ed\u904e\u304e\u307e\u3059\r\n\u540d\u524d\u304c\u9577\u904e\u304e\u307e\u3059\r\n\u540d\u524d\u3092\u300c\u4f50\u85e4\u592a\u90ce\u300d\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\r\n\u4f50\u85e4\u592a\u90ce\u306e\u6240\u6301\u91d1\u306f100\u5186\r\n<\/code><\/pre>\n
\u6982\u62ec\u4e00\u4e0b<\/h1>\n
    \n
  • \n
      \u30ab\u30d7\u30bb\u30eb\u5316\u3068\u306f\u30af\u30e9\u30b9\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3084\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f7f\u7528\u3092\u5236\u9650\u3059\u308b\u6a5f\u80fd<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          \u5916\u90e8\u306e\u30af\u30e9\u30b9\u304b\u3089\u60f3\u5b9a\u5916\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u66f8\u304d\u8fbc\u307f\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              \u30d5\u30a3\u30fc\u30eb\u30c9\u306fprivate\u3001\u30e1\u30bd\u30c3\u30c9\u306fpublic\u306b\u3059\u308b\u306e\u304c\u5b9a\u77f3<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                \u30d5\u30a3\u30fc\u30eb\u30c9\u3092private\u306b\u3057\u305f\u969b\u306f\u30b2\u30c3\u30bf\u30fc\u3001\u30bb\u30c3\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u6271\u3046<\/ul>\n","protected":false},"excerpt":{"rendered":"
                \u4ec0\u4e48\u662f\u5c01\u88c5\uff1f \u9650\u5236\u5bf9\u7c7b\u7684\u5b57\u6bb5\u548c\u65b9\u6cd5\u7684\u8bbf\u95ee\u7684\u529f\u80fd\u3002 \u5176\u4f5c\u7528\u662f\u9632\u6b62\u5b57\u6bb5\u548c\u65b9\u6cd5\u88ab\u7528\u4e8e\u610f\u5916\u7684\u7528\u9014\u3002 \/\/\u4f8b\uff1a\u30d5\u30a3\u30fc\u30eb\u30c9 […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31547","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u5c01\u88c5\u662f\u4ec0\u4e48\uff1f - Blog - Silicon Cloud<\/title>\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\u5c01\u88c5\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\u5c01\u88c5\u662f\u4ec0\u4e48\uff1f\" \/>\n<meta property=\"og:description\" content=\"\u4ec0\u4e48\u662f\u5c01\u88c5\uff1f \u9650\u5236\u5bf9\u7c7b\u7684\u5b57\u6bb5\u548c\u65b9\u6cd5\u7684\u8bbf\u95ee\u7684\u529f\u80fd\u3002 \u5176\u4f5c\u7528\u662f\u9632\u6b62\u5b57\u6bb5\u548c\u65b9\u6cd5\u88ab\u7528\u4e8e\u610f\u5916\u7684\u7528\u9014\u3002 \/\/\u4f8b\uff1a\u30d5\u30a3\u30fc\u30eb\u30c9 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u5c01\u88c5\u662f\u4ec0\u4e48\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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