{"id":31295,"date":"2023-07-03T19:40:48","date_gmt":"2023-06-09T14:33:19","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e7%ba%bf%e7%a8%8b%e5%9f%ba%e7%a1%80\/"},"modified":"2025-08-12T23:17:48","modified_gmt":"2025-08-12T15:17:48","slug":"java-%e7%ba%bf%e7%a8%8b%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e7%ba%bf%e7%a8%8b%e5%9f%ba%e7%a1%80\/","title":{"rendered":"Java \u7ebf\u7a0b\u57fa\u7840"},"content":{"rendered":"<h2>thread \u662f\u4ec0\u4e48\u610f\u601d\uff1f\u7ebf\u7a0b\u662f\u8868\u793a\u4e00\u4e2a\u6d41\u7a0b\u5904\u7406\u7684\u5355\u4f4d\u3002<br \/>\n\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5728\u6267\u884c\u65f6\u88ab\u79f0\u4e3a\u5355\u7ebf\u7a0b\uff0c\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u7ebf\u7a0b\u88ab\u79f0\u4e3a\u591a\u7ebf\u7a0b\u3002<\/p>\n<h2>\u521b\u5efa\u4e00\u7bc7\u5e16\u5b50<\/p>\n<h3>Thread\u7c7b\u4f7f\u7528\u7ee7\u627fThread\u7c7b\u7684\u65b9\u6cd5\u662f\u7b2c\u4e00\u79cd\u3002<br \/>\n\u91cd\u5199run\u65b9\u6cd5\uff0c\u7f16\u5199\u4f5c\u4e3a\u7ebf\u7a0b\u7684\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Sub<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Thread<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">read<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n       <span class=\"c1\">\/\/\u51e6\u7406<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u901a\u8fc7\u5728\u8be5\u7c7b\u7684\u5b9e\u4f8b\u4e0a\u8c03\u7528start\u65b9\u6cd5\uff0c\u5c06\u4f1a\u6267\u884crun\u65b9\u6cd5\u3002<\/p>\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\">Sub<\/span> <span class=\"n\">sub<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Sub<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"n\">sub<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/\u30b9\u30ec\u30c3\u30c9\u5b9f\u884c\u3068\u8868\u793a<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">Sub<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Thread<\/span> <span class=\"o\">{<\/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=\"s\">\"\u30b9\u30ec\u30c3\u30c9\u5b9f\u884c\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u53ef\u8fd0\u884c\u7684\u63a5\u53e3\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\u5b9e\u73b0Runnable\u63a5\u53e3<br \/>\nRunnable\u63a5\u53e3\u53ea\u5305\u542b\u4e00\u4e2arun()\u65b9\u6cd5\uff0c\u56e0\u6b64\u53ea\u9700\u8981\u91cd\u5199run()\u65b9\u6cd5\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Sub<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Runnable<\/span> <span class=\"o\">{<\/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=\"c1\">\/\/\u51e6\u7406<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>1. \u521b\u5efa\u8fd0\u884cRunnable\u63a5\u53e3\u7684\u7c7b\u7684\u5b9e\u4f8b\uff0c<br \/>\n2. \u521b\u5efaThread\u7c7b\u7684\u5b9e\u4f8b\u65f6\u5c061\u7684\u5b9e\u4f8b\u4f5c\u4e3a\u53c2\u6570\uff0c<br \/>\n3. \u4f7f\u75282\u7684\u5b9e\u4f8b\u8fd0\u884cstart\u65b9\u6cd5\u3002<\/p>\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\">Sub<\/span> <span class=\"n\">sub<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Sub<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">Thread<\/span> <span class=\"n\">thread<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">sub<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">thread<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/\u30b9\u30ec\u30c3\u30c9\u5b9f\u884c\u3068\u8868\u793a<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">Sub<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Runnable<\/span> <span class=\"o\">{<\/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=\"s\">\"\u30b9\u30ec\u30c3\u30c9\u5b9f\u884c\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u591a\u7ebf\u7a0b<br \/>\n\u6267\u884c\u591a\u4e2a\u7ebf\u7a0b\u3002<br \/>\n\u901a\u8fc7\u521b\u5efa\u591a\u4e2a\u7ee7\u627f\u81ea\u7ebf\u7a0b\u7c7b\u7684\u7c7b\u5b9e\u4f8b\uff0c\u7136\u540e\u5206\u522b\u6267\u884c\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u65b9\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Test1<\/span> <span class=\"o\">{<\/span>\r\n\t<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\t\t<span class=\"nc\">Country<\/span> <span class=\"n\">a1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Country<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Japan\"<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"nc\">Country<\/span> <span class=\"n\">a2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Country<\/span><span class=\"o\">(<\/span><span class=\"s\">\"America\"<\/span><span class=\"o\">);<\/span>\r\n\r\n\t\t<span class=\"n\">a1<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n\t\t<span class=\"n\">a2<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n\t\t<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=\"s\">\"end\"<\/span><span class=\"o\">);<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">Country<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Thread<\/span> <span class=\"o\">{<\/span>\r\n\t<span class=\"kd\">private<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">country<\/span><span class=\"o\">;<\/span>\r\n\t<span class=\"nc\">Country<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">country<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">country<\/span> <span class=\"o\">=<\/span> <span class=\"n\">country<\/span><span class=\"o\">;<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n\t<span class=\"nd\">@Override<\/span>\r\n\t<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\t\t<span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">2<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++)<\/span> <span class=\"o\">{<\/span>\r\n\t\t\t<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\">country<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"o\">}<\/span>\r\n\t<span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"cm\">\/* ----\u5b9f\u884c\u7d50\u679c-----\r\nend\r\nJapan\r\nJapan\r\nAmerica\r\nAmerica\r\n*\/<\/span>\r\n<\/code><\/pre>\n<h2>\u7b49\u5f85\u7ebf\u7a0b\u7ed3\u675f<br \/>\n\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u8981\u7b49\u5f85\u5176\u4ed6\u7ebf\u7a0b\u6267\u884c\u5b8c\u6bd5\uff0c\u53ef\u4ee5\u4f7f\u7528join\u65b9\u6cd5\u3002<br \/>\njoin()\u4f1a\u6c38\u4e45\u7b49\u5f85\u6307\u5b9a\u7684\u7ebf\u7a0b\u6267\u884c\u7ed3\u675f\u3002<\/p>\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=\"kd\">throws<\/span> <span class=\"nc\">Exception<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">JoinTest<\/span> <span class=\"n\">t<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">JoinTest<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/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=\"s\">\"\u30b9\u30ec\u30c3\u30c9 t \u306e\u7d42\u4e86\u3092\u5f85\u6a5f\u3057\u307e\u3059\u3002\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"na\">join<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/ t\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u7d42\u4e86\u3059\u308b\u306e\u3092\u5f85\u3064<\/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=\"s\">\"\u30b9\u30ec\u30c3\u30c9 t \u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">JoinTest<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Thread<\/span> <span class=\"o\">{<\/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=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">3<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">0<\/span> <span class=\"o\">;<\/span> <span class=\"n\">i<\/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\">i<\/span><span class=\"o\">);<\/span>\r\n      <span class=\"o\">}<\/span>\r\n   <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">----<\/span><span class=\"n\">\u5b9f\u884c\u7d50\u679c<\/span><span class=\"o\">-----<\/span>\r\n<span class=\"cm\">\/* \r\n\u30b9\u30ec\u30c3\u30c9 t \u306e\u7d42\u4e86\u3092\u5f85\u6a5f\u3057\u307e\u3059\u3002\r\n3\r\n2\r\n1\r\n0\r\n\u30b9\u30ec\u30c3\u30c9 t \u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\r\n*\/<\/span>\r\n<span class=\"o\">---<\/span><span class=\"n\">join\u3092\u6d88\u3057\u305f\u5834\u5408<\/span><span class=\"o\">----<\/span>\r\n<span class=\"cm\">\/*\r\n\u30b9\u30ec\u30c3\u30c9 t \u306e\u7d42\u4e86\u3092\u5f85\u6a5f\u3057\u307e\u3059\u3002\r\n\u30b9\u30ec\u30c3\u30c9 t \u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\r\n3\r\n2\r\n1\r\n0\r\n*\/<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>thread \u662f\u4ec0\u4e48\u610f\u601d\uff1f\u7ebf\u7a0b\u662f\u8868\u793a\u4e00\u4e2a\u6d41\u7a0b\u5904\u7406\u7684\u5355\u4f4d\u3002 \u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5728\u6267\u884c\u65f6\u88ab\u79f0\u4e3a\u5355\u7ebf\u7a0b\uff0c\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u7ebf\u7a0b\u88ab [&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-31295","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 \u7ebf\u7a0b\u57fa\u7840 - Blog - Silicon 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