{"id":31732,"date":"2023-11-12T11:19:46","date_gmt":"2024-01-06T01:24:53","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%a4%9a%e7%ba%bf%e7%a8%8b\/"},"modified":"2024-05-04T08:38:09","modified_gmt":"2024-05-04T00:38:09","slug":"java%e5%a4%9a%e7%ba%bf%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%a4%9a%e7%ba%bf%e7%a8%8b\/","title":{"rendered":"Java\u591a\u7ebf\u7a0b"},"content":{"rendered":"<h1>\u5199\u4f5c\u7684\u4eba<\/h1>\n<p>\u300c\u304b\u305a\u304d\u3061\u300d\u662f\u4e00\u4e2a\u591a\u5143\u5316\u7ecf\u8425\u5404\u79cd\u670d\u52a1\u7684\u5e73\u53f0\uff0c\u5305\u62ec\u7f16\u7a0b\u5b66\u4e60\u670d\u52a1\u3001\u5ba0\u7269\u6c99\u9f99\u9884\u7ea6\u670d\u52a1\u3001\u5a31\u4e50\u573a\u6240\u641c\u7d22\u670d\u52a1\u7b49\u7b49\u3002<br \/>\n\u4ee5\u4e0b\u662f\u5e73\u53f0\u8fd0\u8425\u7684\u90e8\u5206\u670d\u52a1\uff1a<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"p3vTk4JQxs\"><p><a href=\"https:\/\/crazy-wp.com\/\">TOP<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;TOP&#8221; &#8212; CRAZY WP\" src=\"https:\/\/crazy-wp.com\/embed\/#?secret=PffyujzOdz#?secret=p3vTk4JQxs\" data-secret=\"p3vTk4JQxs\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><br \/>\nhttp:\/\/webukatu.com\/<br \/>\n\u4ece\u65b0\u5bbf\u7684\u4e3b\u6301\u4eba\u8f6c\u884c\u4e3a\u623f\u5730\u4ea7\u548c\u4fdd\u9669\u9500\u552e\u5458\uff0c\u7ecf\u8fc73\u4e2a\u6708\u7684\u81ea\u5b66\uff0c\u4ece\u5bf9HTML\u4e00\u65e0\u6240\u77e5\u5230\u5b66\u4e60\u7f16\u7a0b\u548c\u8bbe\u8ba1\uff0c\u5728IT\u884c\u4e1a\u5de5\u4f5c\u4e86\u4e00\u5e74\u7684\u5b9e\u8df5\u7ecf\u9a8c\uff0c\u5e74\u6536\u5165\u8d85\u8fc7\u4e00\u672c\u3002\u76ee\u524d\u4f5c\u4e3a\u521b\u4e1a\u5bb6\u4ece\u4e8b\u670d\u52a1\u8fd0\u8425\u548c\u623f\u5730\u4ea7\u7ba1\u7406\u5de5\u4f5c\u3002<br \/>\n\u4e5f\u5728Qiita\u4e0a\u5199\u4e86\u4e00\u4e9b\u76f8\u5173\u6587\u7ae0\u3002<br \/>\n13\u4e2a\u8d5a\u94b1\u7684\u91cd\u8981\u4e8b\u9879\uff0c\u7a0b\u5e8f\u5458\u5fc5\u8bfb<br \/>\n18\u4e2a\u5e0c\u671b\u60f3\u521b\u529eWEB\u670d\u52a1\u7684\u4eba\u80fd\u591f\u9605\u8bfb\u7684\u4e8b\u9879<\/p>\n<h1>\u76ee\u5f55<\/h1>\n<p>1.1 \u7ebf\u7a0b\u7684\u4f7f\u7528\u65b9\u6cd5<br \/>\n1.2 \u542f\u52a8\u591a\u4e2a\u7ebf\u7a0b\u65f6\u7684\u6ce8\u610f\u4e8b\u9879<br \/>\n1.3 \u7ebf\u7a0b\u7684\u72b6\u6001\u548c\u5468\u671f<br \/>\n1.4 \u8fde\u63a5\u7ebf\u7a0b\uff08join\uff09<br \/>\n1.5 \u7ebf\u7a0b\u7684\u540c\u6b65\u5316\uff08Synchronized\uff09<\/p>\n<h1>\u7ebf\u7a0b<\/h1>\n<p>\u5982\u679c\u60f3\u8981\u5728\u540e\u53f0\u6267\u884c\u5904\u7406\uff0c\u6216\u8005\u60f3\u8981\u8fdb\u884c\u5e76\u884c\u5904\u7406\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ebf\u7a0b\u673a\u5236\uff0c\u56e0\u4e3aJVM\u662f\u987a\u5e8f\u6267\u884c\u5904\u7406\u7684\u3002\u5c31\u597d\u50cf\u6709\u591a\u4e2aJVM\u5e76\u884c\u5904\u7406\u4e00\u6837\uff0c\u80fd\u591f\u4ea7\u751f\u5206\u8eab\u7684\u6548\u679c\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u4e3b\u9898\u8ba8\u8bba\u3002<\/h2>\n<p>\u662f\u5426\u7ee7\u627fThread\u7c7b\u4f7f\u7528\u6216\u5b9e\u73b0Runnable\u63a5\u53e3\u4f7f\u7528<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.util.*<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">SampleThread<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Runnable<\/span><span class=\"o\">{<\/span> <span class=\"c1\">\/\/\u30b9\u30ec\u30c3\u30c9\u5b9a\u7fa9\u3002Runnnable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\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=\"c1\">\/\/\u30b9\u30ec\u30c3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3053\u306erun()\u5185\u306e\u51e6\u7406\u304c\u3055\u308c\u308b<\/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\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">&lt;<\/span><span class=\"mi\">10<\/span> <span class=\"o\">;<\/span> <span class=\"n\">i<\/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<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Sample<\/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>\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\">\"\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">Thread<\/span> <span class=\"n\">t<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SampleThread<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/SampleThread\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4f5c\u6210<\/span>\r\n    <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/\u5225\u30b9\u30ec\u30c3\u30c9\u958b\u59cb<\/span>\r\n    <span class=\"k\">new<\/span> <span class=\"nf\">Scanner<\/span><span class=\"o\">(<\/span><span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">in<\/span><span class=\"o\">).<\/span><span class=\"na\">nextLine<\/span><span class=\"o\">();<\/span> <span class=\"c1\">\/\/\u5165\u529b\u51e6\u7406<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u203brun()\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\u4f1a\u81ea\u52a8\u6d88\u5931\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u505c\u6b62\u6216\u5173\u95ed\u7684\u6307\u4ee4\u3002<\/p>\n<h2>\u591a\u7ebf\u7a0b\u542f\u52a8\u65f6\u7684\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>JVM\u901a\u8fc7\u5feb\u901f\u5207\u6362\u591a\u4e2a\u7ebf\u7a0b\uff0c\u8868\u9762\u4e0a\u770b\u8d77\u6765\u540c\u65f6\u5904\u7406\u8fd9\u4e9b\u7ebf\u7a0b\u3002<br \/>\n\u5207\u6362\u662f\u901a\u8fc7\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7edf\u7684\u8c03\u5ea6\u529f\u80fd\u6765\u5b9e\u73b0\u7684\uff0c\u56e0\u6b64\u65e0\u6cd5\u77e5\u9053\u54ea\u4e2a\u7ebf\u7a0b\u4f1a\u6309\u7167\u4ec0\u4e48\u987a\u5e8f\u6267\u884c\u3002\uff08\u65e0\u6cd5\u63a7\u5236\u6267\u884c\u987a\u5e8f\uff09<\/p>\n<h2>\u7ebf\u7a0b\u72b6\u6001\u548c\u5468\u671f<\/h2>\n<p>\u7ebf\u7a0b\u5728\u4ee5\u4e0b\u72b6\u6001\u548c\u5faa\u73af\u4e2d\u8fd0\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code>\u521d\u671f\u72b6\u614b\u3000\u21d2\u3000\u5b9f\u884c\u53ef\u80fd\uff08\u30d7\u30fc\u30eb\uff09\u21d2\u3000\u5b9f\u884c\u4e2d\u3000\u21d2\u3000\u7d42\u4e86\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u21d2\u3000\u5b9f\u884c\u4e0d\u53ef\u80fd\uff08\u5f85\u6a5f\u3001\u30b9\u30ea\u30fc\u30d7\u3001\u30d6\u30ed\u30c3\u30af\uff09\u3000\u21d2\u3000\u307e\u305f\u5b9f\u884c\u53ef\u80fd\u3078\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\u25cb\u521d\u671f\u72b6\u614b\u3000\u30fb\u30fb\u30fb\u3000new\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u305f\u72b6\u614b\u3002\r\n\u25cb\u5b9f\u884c\u53ef\u80fd\u72b6\u614b\u3000\u30fb\u30fb\u30fb\u3000start\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u6642\u3002\u5b9f\u884c\u53ef\u80fd\u306a\u72b6\u614b\u306b\u306a\u3063\u305f\u3060\u3051\u3067\u3001\u307e\u3060\u5b9f\u884c\u306f\u3055\u308c\u306a\u3044\u3002\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u306f\u5b9f\u884c\u53ef\u80fd\u72b6\u614b\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u4e2d\u304b\u3089\u72ec\u81ea\u306e\u898f\u5247\u3067\u5b9f\u884c\u3057\u3066\u3044\u304f\u3002\r\n\u25cb\u5b9f\u884c\u4e2d\u3000\u30fb\u30fb\u30fb\u3000\u5b9f\u884c\u3055\u308c\u3066\u308b\r\n\u25cb\u5b9f\u884c\u4e0d\u53ef\u80fd\u72b6\u614b\u3000\u30fb\u30fb\u30fb\u3000wait\u3084sleep\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u5834\u5408\u3084\u3001\u305d\u306e\u4ed6\u306e\u4e8b\u60c5\u3067\u5b9f\u884c\u4e0d\u53ef\u80fd\u3078\u3002\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u5b9f\u884c\u4e0d\u53ef\u304c\u89e3\u6d88\u3055\u308c\u308b\u3068\u307e\u305f\u5b9f\u884c\u53ef\u80fd\u72b6\u614b\u306b\u306a\u308b\u3002\r\n\u25cb\u7d42\u4e86\u3000\u30fb\u30fb\u30fb\u3000run\u30e1\u30bd\u30c3\u30c9\u304c\u5b8c\u4e86\u3057\u305f\u72b6\u614b\u3002\u4e00\u5ea6\u7d42\u4e86\u3057\u305f\u30b9\u30ec\u30c3\u30c9\u306f\u4e8c\u5ea6\u3068star\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u306a\u3044\u3002\r\n<\/code><\/pre>\n<h2>\u7ec7\u6210\u7ebf<\/h2>\n<p>\u5982\u679c\u90a3\u8fb9\u7684\u7ebf\u7a0b\u6ca1\u6709\u7ed3\u675f\uff0c\u8fd9\u8fb9\u7684\u7ebf\u7a0b\u5c31\u65e0\u6cd5\u6267\u884c\u5904\u7406\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528join\u65b9\u6cd5\u5c06\u7ebf\u7a0b\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Sample<\/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>\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\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">&lt;<\/span><span class=\"mi\">10<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/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\u4e2d\u3067\u3059\"<\/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<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Exec<\/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>\r\n    <span class=\"nc\">Sample<\/span> <span class=\"n\">sp<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Sample<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">Thread<\/span> <span class=\"n\">t<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">sp<\/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=\"k\">try<\/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>\r\n    <span class=\"o\">}<\/span><span class=\"k\">catch<\/span><span class=\"o\">(<\/span><span class=\"nc\">InterruptedException<\/span> <span class=\"n\">e<\/span><span class=\"o\">){<\/span> <span class=\"c1\">\/\/join\u306f\u30c1\u30a7\u30c3\u30af\u4f8b\u5916\u306eInterruptedException\u3092\u6295\u3052\u308b<\/span>\r\n       <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n    <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\">\"main\u30b9\u30ec\u30c3\u30c9\u304c\u7d42\u308f\u308a\u307e\u3057\u305f\"<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u7ebf\u7a0b\u540c\u6b65<\/h2>\n<p>\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u64cd\u4f5c\u4e00\u4e2a\u5bf9\u8c61\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u7684\u7ed3\u679c\uff0c\u56e0\u6b64\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u9700\u8981\u8fdb\u884c\u540c\u6b65\u3002\uff08\u4f8b\u5982\uff0c\u5c1d\u8bd5\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u5c06\u76f8\u540c\u7684\u53d8\u91cf\u9012\u589e\u5e76\u663e\u793a\u7ed3\u679c\u65f6\uff0c\u53ef\u80fd\u4e0d\u4f1a\u6309\u7167\u9884\u671f\u7684\u987a\u5e8f\u53d8\u4e3a\u201c12345\u2026\u201d\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Sample<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Runnnable<\/span><span class=\"o\">{<\/span>\r\n  <span class=\"kt\">int<\/span> <span class=\"n\">i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"n\">pubic<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">run<\/span><span class=\"o\">(){<\/span> <span class=\"n\">adder<\/span><span class=\"o\">();<\/span> <span class=\"o\">}<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">adder<\/span><span class=\"o\">(){<\/span>\r\n    <span class=\"n\">i<\/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=\"nc\">Thread<\/span><span class=\"o\">.<\/span><span class=\"na\">currentThread<\/span><span class=\"o\">().<\/span><span class=\"na\">getName<\/span><span class=\"o\">()+<\/span><span class=\"s\">\"\uff1a\"<\/span><span class=\"o\">+<\/span><span class=\"n\">n<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Exec<\/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>\r\n     <span class=\"nc\">Runnable<\/span> <span class=\"n\">r<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">MyRunnable<\/span><span class=\"o\">();<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"A\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"B\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t3<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"C\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t4<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"D\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"n\">t1<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"n\">t2<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"n\">t3<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"n\">t4<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u7ed9\u4ee3\u7801\u6dfb\u52a0 synchronized \u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u8ba9\u5176\u4f5c\u4e3a\u4e00\u5757\u8fde\u7eed\u7684\u5904\u7406\u6267\u884c\uff0c\u4ee5\u5b9e\u73b0\u540c\u6b65\u5316\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">Sample<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Runnnable<\/span><span class=\"o\">{<\/span>\r\n  <span class=\"kt\">int<\/span> <span class=\"n\">i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"n\">pubic<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">run<\/span><span class=\"o\">(){<\/span> <span class=\"n\">adder<\/span><span class=\"o\">();<\/span> <span class=\"o\">}<\/span>\r\n  <span class=\"kd\">synchronized<\/span> <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">adder<\/span><span class=\"o\">(){<\/span>\r\n    <span class=\"n\">i<\/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=\"nc\">Thread<\/span><span class=\"o\">.<\/span><span class=\"na\">currentThread<\/span><span class=\"o\">().<\/span><span class=\"na\">getName<\/span><span class=\"o\">()+<\/span><span class=\"s\">\"\uff1a\"<\/span><span class=\"o\">+<\/span><span class=\"n\">n<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n  <span class=\"kd\">synchronized<\/span> <span class=\"kd\">public<\/span>\r\n<span class=\"o\">}<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Exec<\/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>\r\n     <span class=\"nc\">Runnable<\/span> <span class=\"n\">r<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">MyRunnable<\/span><span class=\"o\">();<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"A\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"B\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t3<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"C\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"nc\">Thread<\/span> <span class=\"n\">t4<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">,<\/span><span class=\"s\">\"D\"<\/span><span class=\"o\">);<\/span>\r\n     <span class=\"n\">t1<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"n\">t2<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"n\">t3<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span> <span class=\"n\">t4<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5177\u6709&#8221;synchronized&#8221;\u5173\u952e\u5b57\u7684\u65b9\u6cd5\u6709\u4e00\u4e2a\u9501\uff0c\u5f53\u8be5\u65b9\u6cd5\u6b63\u5728\u88ab\u62e5\u6709\u9501\u5e76\u6267\u884c\u7684\u7ebf\u7a0b\u65f6\uff0c\u5176\u4ed6\u7ebf\u7a0b\u65e0\u6cd5\u4f7f\u7528\u8be5\u7ebf\u7a0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5199\u4f5c\u7684\u4eba \u300c\u304b\u305a\u304d\u3061\u300d\u662f\u4e00\u4e2a\u591a\u5143\u5316\u7ecf\u8425\u5404\u79cd\u670d\u52a1\u7684\u5e73\u53f0\uff0c\u5305\u62ec\u7f16\u7a0b\u5b66\u4e60\u670d\u52a1\u3001\u5ba0\u7269\u6c99\u9f99\u9884\u7ea6\u670d\u52a1\u3001\u5a31\u4e50\u573a\u6240\u641c\u7d22\u670d\u52a1\u7b49\u7b49 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31732","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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\u591a\u7ebf\u7a0b - 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\u591a\u7ebf\u7a0b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u591a\u7ebf\u7a0b\" \/>\n<meta property=\"og:description\" content=\"\u5199\u4f5c\u7684\u4eba \u300c\u304b\u305a\u304d\u3061\u300d\u662f\u4e00\u4e2a\u591a\u5143\u5316\u7ecf\u8425\u5404\u79cd\u670d\u52a1\u7684\u5e73\u53f0\uff0c\u5305\u62ec\u7f16\u7a0b\u5b66\u4e60\u670d\u52a1\u3001\u5ba0\u7269\u6c99\u9f99\u9884\u7ea6\u670d\u52a1\u3001\u5a31\u4e50\u573a\u6240\u641c\u7d22\u670d\u52a1\u7b49\u7b49 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u591a\u7ebf\u7a0b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-06T01:24:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T00:38:09+00:00\" \/>\n<meta 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