{"id":31153,"date":"2023-08-04T15:51:39","date_gmt":"2023-04-12T13:28:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e9%87%8d%e5%86%99\/"},"modified":"2025-08-12T22:35:35","modified_gmt":"2025-08-12T14:35:35","slug":"java-%e9%87%8d%e5%86%99","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e9%87%8d%e5%86%99\/","title":{"rendered":"Java \u91cd\u5199"},"content":{"rendered":"<h2>\u5229\u7528\u91cd\u5199<\/h2>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Hero<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"nc\">String<\/span> <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u52c7\u8005\"<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"kt\">int<\/span> <span class=\"n\">hp<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">100<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"c1\">\/\/\u9003\u3052\u308b<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">run<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">name<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\u306f\u9003\u3052\u51fa\u3057\u305f\uff01\"<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5728SuperHero\u7c7b\u4e2d\u91cd\u65b0\u5b9a\u4e49run()\u51fd\u6570\u3002<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SuperHero<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Hero<\/span><span class=\"o\">{<\/span>\r\n  <span class=\"kt\">boolean<\/span> <span class=\"n\">flying<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"c1\">\/\/\u64a4\u9000\u3059\u308b<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">run<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>      <span class=\"c1\">\/\/Hero\u30af\u30e9\u30b9\u306b\u3082\u5b9a\u7fa9\u3057\u3066\u3042\u308b\u304c\u3001\u518d\u5b9a\u7fa9\uff08\u4e0a\u66f8\u304d\uff09\u3067\u304d\u308b<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">name<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\u64a4\u9000\u3057\u305f\uff01\"<\/span><span class=\"o\">);<\/span>\r\n <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u8c03\u7528Hero\u548cSuperHero\u7684run()\u51fd\u6570<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">Hero<\/span> <span class=\"n\">h<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Hero<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"n\">h<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">SuperHero<\/span> <span class=\"n\">sh<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SuperHero<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"n\">sh<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u7ed3\u679c<br \/>\n\u52c7\u8005\u9003\u8dd1\u4e86\uff01<br \/>\n\u52c7\u8005\u9000\u5374\u4e86\uff01<\/p>\n<h2>\u7ee7\u627f\u88ab\u7981\u6b62<\/h2>\n<h4>\u5728\u58f0\u660e\u65f6\u5e26\u6709final\u4fee\u9970\u7b26\u7684String\u7c7b\u548c\u5176\u4ed6\u7c7b\u65e0\u6cd5\u8fdb\u884c\u7ee7\u627f\u3002<\/h4>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">String<\/span><span class=\"o\">{<\/span>\r\n<\/code><\/pre>\n<p>\u5728Java\u7684API\u53c2\u8003\u6587\u6863\u4e2d\u53ef\u4ee5\u786e\u8ba4String\u7c7b\u662f\u7981\u6b62\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">final<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n<\/code><\/pre>\n<h2>\u7981\u6b62\u8986\u5199<\/h2>\n<h4>\u5728\u58f0\u660e\u65f6\u52a0\u4e0afinal\u4fee\u9970\u7b26\u7684\u65b9\u6cd5\u65e0\u6cd5\u5728\u5b50\u7c7b\u4e2d\u88ab\u91cd\u5199\u3002<\/h4>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Hero<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"nc\">String<\/span> <span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u52c7\u8005\"<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"kt\">int<\/span> <span class=\"n\">hp<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">100<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"c1\">\/\/\u9003\u3052\u308b<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">final<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">run<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>     <span class=\"c1\">\/\/run()\u306f\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u306a\u3044<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">name<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\u306f\u9003\u3052\u51fa\u3057\u305f\uff01\"<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u6bb5\u8bdd\u7684\u4e2d\u6587\u672c\u5730\u5316\u7ffb\u8bd1\uff1a<\/p>\n<p>public final void run()\u65b9\u6cd5\u4f1a\u4f7f\u4e4b\u524d\u7684SuperHero\u7c7b\u7684run()\u65b9\u6cd5\u5931\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528\u91cd\u5199 public class Hero { String name = &#8220;\u52c7\u8005&#8221;; int hp = 1 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31153","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 \u91cd\u5199 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJava \u91cd\u5199\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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