{"id":31315,"date":"2024-02-14T07:38:04","date_gmt":"2023-05-28T03:24:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e5%9f%ba%e7%a1%80%e3%80%91%e6%8e%a5%e5%8f%a3\/"},"modified":"2025-08-12T23:24:20","modified_gmt":"2025-08-12T15:24:20","slug":"%e3%80%90java%e5%9f%ba%e7%a1%80%e3%80%91%e6%8e%a5%e5%8f%a3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e5%9f%ba%e7%a1%80%e3%80%91%e6%8e%a5%e5%8f%a3\/","title":{"rendered":"\u3010Java\u57fa\u7840\u3011\u63a5\u53e3"},"content":{"rendered":"<h1>\u9996\u5148,<\/h1>\n<p>\u6700\u8fd1\u6211\u53c2\u52a0\u4e86Java\u57fa\u7840\u57f9\u8bad\u3002\u867d\u7136\u5728\u5b66\u751f\u65f6\u4ee3\u4e0a\u8bfe\u5b66\u8fc7Java\u5e76\u638c\u63e1\u4e86\u57fa\u7840\u77e5\u8bc6\uff0c\u4f46\u6709\u4e9b\u5185\u5bb9\u5374\u9057\u5fd8\u4e86\uff0c\u6240\u4ee5\u6211\u5c06\u5176\u4f5c\u4e3a\u5907\u5fd8\u5f55\u8bb0\u5f55\u4e0b\u6765\u3002<\/p>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6982\u62ec\u4ecb\u7ecdJava\u7684\u57fa\u7840\u77e5\u8bc6\u3002<br \/>\n\u8fd9\u6b21\u662f\u5173\u4e8e\u63a5\u53e3\uff08interfaces\uff09\u3002<\/p>\n<h1>\u63a5\u53e3\u662f\u6307\u4e00\u79cd\u8fde\u63a5\u4e0d\u540c\u7cfb\u7edf\u6216\u7ec4\u4ef6\u7684\u65b9\u5f0f\u3002<\/h1>\n<p>\u63a5\u53e3\u662f\u4e00\u79cd\u7c7b\uff0c\u5b83\u901a\u5e38\u53ea\u80fd\u58f0\u660e\u516c\u5171\u7684\u62bd\u8c61\u65b9\u6cd5\u3002\u63a5\u53e3\u4e0d\u80fd\u58f0\u660e\u6784\u9020\u51fd\u6570\uff0c\u800c\u4e14\u4e0d\u80fd\u5b9e\u4f8b\u5316\u3002<\/p>\n<h1>\u63a5\u53e3\u58f0\u660e<\/h1>\n<p>\u63a5\u53e3\u7684\u58f0\u660e\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">\u4fee\u98fe\u5b50<\/span> <span class=\"kd\">interface<\/span> <span class=\"nc\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u30e1\u30f3\u30d0<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u65b9\u6cd5 <\/h2>\n<p>\u5728\u63a5\u53e3\u4e2d\uff0c\u53ef\u4ee5\u58f0\u660e\u516c\u5171\u7684\u62bd\u8c61\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">interface<\/span> <span class=\"nc\">Booking<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">abstract<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">getTitle<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">getContent<\/span><span class=\"o\">();<\/span>  <span class=\"c1\">\/\/ public abstract\u306f\u7701\u7565\u3067\u304d\u308b<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u573a\u5730<\/h2>\n<p>\u5728\u63a5\u53e3\u4e2d\uff0c\u53ea\u80fd\u58f0\u660epublic static final\u7684\u5b57\u6bb5\uff08\u5e38\u91cf\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">interface<\/span> <span class=\"nc\">Booking<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">String<\/span> <span class=\"no\">NAME<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"Qiita_Official\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"no\">PRICE<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1000<\/span><span class=\"o\">;<\/span>  <span class=\"c1\">\/\/ public static final\u306f\u7701\u7565\u3067\u304d\u308b<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u63a5\u53e3\u7684\u5b9e\u73b0<\/h1>\n<p>\u63a5\u53e3\u4e0d\u80fd\u72ec\u7acb\u5b9e\u4f8b\u5316\uff0c\u5b9e\u4f8b\u5316\u9700\u8981\u5b9e\u73b0\u7c7b\u3002\u5b9e\u73b0\u7c7b\u662f\u6307\u5b9e\u73b0\u4e86\u63a5\u53e3\u7684\u6240\u6709\u62bd\u8c61\u65b9\u6cd5\u7684\u5177\u4f53\u7c7b\u3002\u58f0\u660e\u5b9e\u73b0\u7c7b\u88ab\u79f0\u4e3a\u5b9e\u73b0\u63a5\u53e3\u3002<\/p>\n<p>\u63a5\u53e3\u7684\u5b9e\u73b0\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">\u4fee\u98fe\u5b50<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">\u30af\u30e9\u30b9\u540d<\/span> <span class=\"kd\">implements<\/span> <span class=\"n\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Introduction<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Booking<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u3053\u306e\u6642\u70b9\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u65b9\u6cd5\u7684\u91cd\u5199<\/h2>\n<p>\u5b9e\u73b0\u7c7b\u5fc5\u987b\u91cd\u5199\u63a5\u53e3\u7684\u6240\u6709\u62bd\u8c61\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Introduction<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Booking<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">title<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">Introduction<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">title<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">title<\/span> <span class=\"o\">=<\/span> <span class=\"n\">title<\/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\">getTitle<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">title<\/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\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">getContent<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nc\">List<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"s\">\"Qiita\u306e\u6295\u7a3f\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u308b\u672c\u3067\u3059\u3002\"<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"s\">\"\u7c21\u5358\u306a\u8a18\u4e8b\u30921\u3064\u6295\u7a3f\u3059\u308b\u3053\u3068\u3092\u76ee\u6a19\u3068\u3057\u3066\u3044\u307e\u3059\u3002\"<\/span>\r\n        <span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5b9e\u73b0\u7c7b\u4e5f\u662f\u4e00\u822c\u7684\u7c7b\u3002\u60a8\u53ef\u4ee5\u58f0\u660e\u5b57\u6bb5\u3001\u65b9\u6cd5\u548c\u6784\u9020\u51fd\u6570\u3002<\/p>\n<h2>\u63a5\u53e3\u7684\u591a\u91cd\u5b9e\u73b0<\/h2>\n<p>\u5728\u4e00\u4e2a\u7c7b\u4e2d\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">interface<\/span> <span class=\"nc\">Writing<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kt\">void<\/span> <span class=\"nf\">write<\/span><span class=\"o\">();<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7576\u5be6\u73fe\u591a\u500b\u63a5\u53e3\u6642\uff0c\u5fc5\u9808\u8986\u5beb\u6bcf\u500b\u63a5\u53e3\u7684\u62bd\u8c61\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Conclusion<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Booking<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Writing<\/span> <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\">getTitle<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s\">\"\u8981\u65e8\"<\/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\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">getContent<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nc\">List<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"s\">\"Qiita\u306e\u6295\u7a3f\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u308b\u672c\u3067\u3059\u3002\"<\/span><span class=\"o\">,<\/span>\r\n            <span class=\"s\">\"\u7c21\u5358\u306a\u8a18\u4e8b\u30921\u3064\u6295\u7a3f\u3059\u308b\u3053\u3068\u3092\u76ee\u6a19\u3068\u3057\u3066\u3044\u307e\u3059\u3002\"<\/span>\r\n        <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\">void<\/span> <span class=\"nf\">write<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">content<\/span> <span class=\"o\">=<\/span> <span class=\"n\">getContent<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">line<\/span> <span class=\"o\">:<\/span> <span class=\"n\">content<\/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=\"n\">line<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u901a\u8fc7\u4f7f\u7528\u672c\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u7684\u63a5\u53e3\u4ee5\u53ca\u4e4b\u524d\u4ecb\u7ecd\u7684\u7ee7\u627f\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u6d01\u5730\u7f16\u5199\u4ee3\u7801\u3002\u901a\u8fc7\u6709\u6548\u7684\u5b9e\u65bd\uff0c\u6211\u4eec\u52aa\u529b\u4f7fJava\u4ee3\u7801\u53d8\u5f97\u4f18\u96c5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148, \u6700\u8fd1\u6211\u53c2\u52a0\u4e86Java\u57fa\u7840\u57f9\u8bad\u3002\u867d\u7136\u5728\u5b66\u751f\u65f6\u4ee3\u4e0a\u8bfe\u5b66\u8fc7Java\u5e76\u638c\u63e1\u4e86\u57fa\u7840\u77e5\u8bc6\uff0c\u4f46\u6709\u4e9b\u5185\u5bb9\u5374\u9057\u5fd8\u4e86\uff0c\u6240\u4ee5 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31315","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>\u3010Java\u57fa\u7840\u3011\u63a5\u53e3 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010Java\u57fa\u7840\u3011\u63a5\u53e3\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\/\u3010java\u57fa\u7840\u3011\u63a5\u53e3\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Java\u57fa\u7840\u3011\u63a5\u53e3\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010Java\u57fa\u7840\u3011\u63a5\u53e3\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u57fa\u7840\u3011\u63a5\u53e3\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-28T03:24:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T15:24:20+00:00\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\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\/%e3%80%90java%e5%9f%ba%e7%a1%80%e3%80%91%e6%8e%a5%e5%8f%a3\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e5%9f%ba%e7%a1%80%e3%80%91%e6%8e%a5%e5%8f%a3\/\",\"name\":\"\u3010Java\u57fa\u7840\u3011\u63a5\u53e3 - Blog - Silicon 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