{"id":3853,"date":"2025-07-12T12:59:03","date_gmt":"2025-07-12T04:59:03","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3853"},"modified":"2025-07-12T12:59:03","modified_gmt":"2025-07-12T04:59:03","slug":"%e4%bb%80%e4%b9%88%e5%8f%ab%e5%81%9a%e9%98%bb%e5%a1%9e%e9%98%9f%e5%88%97%e7%9a%84%e6%9c%89%e7%95%8c%e5%92%8c%e6%97%a0%e7%95%8c","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/07\/12\/%e4%bb%80%e4%b9%88%e5%8f%ab%e5%81%9a%e9%98%bb%e5%a1%9e%e9%98%9f%e5%88%97%e7%9a%84%e6%9c%89%e7%95%8c%e5%92%8c%e6%97%a0%e7%95%8c\/","title":{"rendered":"\u4ec0\u4e48\u53eb\u505a\u963b\u585e\u961f\u5217\u7684\u6709\u754c\u548c\u65e0\u754c"},"content":{"rendered":"\n<p>\u5728 Java \u5e76\u53d1\u7f16\u7a0b\u4e2d\uff0c<strong>\u963b\u585e\u961f\u5217\uff08BlockingQueue\uff09<\/strong> \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u961f\u5217\uff0c\u53ef\u4ee5\u5728\u961f\u5217\u4e3a\u7a7a\u65f6\u81ea\u52a8\u963b\u585e\u6d88\u8d39\u8005\u7ebf\u7a0b\uff0c\u6216\u5728\u961f\u5217\u6ee1\u65f6\u81ea\u52a8\u963b\u585e\u751f\u4ea7\u8005\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p>\u963b\u585e\u961f\u5217\u6839\u636e<strong>\u5bb9\u91cf\u9650\u5236<\/strong>\uff0c\u5206\u4e3a\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u6709\u754c\u963b\u585e\u961f\u5217\uff08Bounded BlockingQueue\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u4e49\uff1a<\/h3>\n\n\n\n<p><strong>\u6709\u754c\u961f\u5217<\/strong>\u662f\u6307\u5728\u521b\u5efa\u65f6\u6307\u5b9a\u4e86<strong>\u6700\u5927\u5bb9\u91cf\u4e0a\u9650<\/strong>\uff0c\u4e00\u65e6\u961f\u5217\u6ee1\u4e86\uff0c\u7ee7\u7eed <code>put()<\/code> \u6216 <code>offer()<\/code> \u64cd\u4f5c\u5c06<strong>\u963b\u585e\u6216\u8fd4\u56de\u5931\u8d25<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b\uff1a<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>BlockingQueue&lt;String&gt; queue = new ArrayBlockingQueue&lt;&gt;(3);<\/code><\/pre>\n\n\n\n<p>\u961f\u5217\u6700\u5927\u53ea\u80fd\u5b58\u50a8 3 \u4e2a\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>queue.put(\"a\");\nqueue.put(\"b\");\nqueue.put(\"c\");\n\/\/ \u4e0b\u9762\u8fd9\u884c\u5c06\u963b\u585e\uff0c\u76f4\u5230\u6709\u7a7a\u95f4\nqueue.put(\"d\");<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u9002\u7528\u573a\u666f\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u751f\u4ea7\u901f\u5ea6\u9ad8\u4e8e\u6d88\u8d39\u901f\u5ea6\u65f6<strong>\u63a7\u5236\u5185\u5b58\u4f7f\u7528<\/strong><\/li>\n\n\n\n<li>\u9632\u6b62\u4efb\u52a1\u65e0\u9650\u5806\u79ef\uff08\u9632\u6b62 OOM\uff09<\/li>\n\n\n\n<li>\u5178\u578b\u7528\u4e8e\u7ebf\u7a0b\u6c60\u4e2d\u7684\u4efb\u52a1\u961f\u5217\uff08\u9ed8\u8ba4\u4f7f\u7528 <code>LinkedBlockingQueue(capacity)<\/code>\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u65e0\u754c\u963b\u585e\u961f\u5217\uff08Unbounded BlockingQueue\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u4e49\uff1a<\/h3>\n\n\n\n<p><strong>\u65e0\u754c\u961f\u5217<\/strong>\u662f\u6307\u7406\u8bba\u4e0a\u6ca1\u6709\u5bb9\u91cf\u4e0a\u9650\uff0c<strong>\u53ef\u4ee5\u65e0\u9650\u6dfb\u52a0\u5143\u7d20<\/strong>\uff0c\u9664\u975e\u7cfb\u7edf\u5185\u5b58\u8017\u5c3d\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5b9e\u9645\u5b9e\u73b0\u4e2d\uff0c\u6709\u4e00\u4e2a\u975e\u5e38\u5927\u7684 <code>Integer.MAX_VALUE<\/code> \u4f5c\u4e3a\u5bb9\u91cf\u4e0a\u9650\uff0c\u4f46<strong>\u4e0d\u4f1a\u4e3b\u52a8\u963b\u585e\u751f\u4ea7\u8005<\/strong>\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b\uff1a<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>BlockingQueue&lt;String&gt; queue = new LinkedBlockingQueue&lt;&gt;();<\/code><\/pre>\n\n\n\n<p>\u6dfb\u52a0\u6570\u636e\u65f6\u4e0d\u4f1a\u963b\u585e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>queue.put(\"a\");  \/\/ \u6c38\u8fdc\u4e0d\u4f1a\u963b\u585e<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u26a0\ufe0f \u98ce\u9669\u63d0\u793a\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u751f\u4ea7\u901f\u5ea6\u8fdc\u5927\u4e8e\u6d88\u8d39\u901f\u5ea6\uff0c\u4efb\u52a1\u4f1a\u4e0d\u65ad\u5806\u79ef\uff0c\u5360\u7528\u5927\u91cf\u5185\u5b58<\/li>\n\n\n\n<li>\u6781\u7aef\u60c5\u51b5\u4e0b\u53ef\u80fd\u5bfc\u81f4 <strong>OOM\uff08OutOfMemoryError\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u6709\u754c vs \u65e0\u754c \u5bf9\u6bd4\u603b\u7ed3<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>\u6709\u754c\u961f\u5217<\/th><th>\u65e0\u754c\u961f\u5217<\/th><\/tr><\/thead><tbody><tr><td>\u5bb9\u91cf\u9650\u5236<\/td><td>\u6709\u56fa\u5b9a\u4e0a\u9650<\/td><td>\u7406\u8bba\u65e0\u9650\uff08\u4e0a\u9650\u4e3a Integer.MAX\uff09<\/td><\/tr><tr><td>\u961f\u5217\u6ee1\u65f6\u884c\u4e3a<\/td><td><code>put()<\/code> \u963b\u585e\uff0c<code>offer()<\/code> \u8fd4\u56de false<\/td><td>\u6c38\u8fdc\u4e0d\u4f1a\u963b\u585e<\/td><\/tr><tr><td>\u5185\u5b58\u5b89\u5168\u6027<\/td><td>\u2705 \u63a7\u5236\u5185\u5b58\u4f7f\u7528<\/td><td>\u274c \u6709 OOM \u98ce\u9669<\/td><\/tr><tr><td>\u7528\u4e8e\u7ebf\u7a0b\u6c60\u4efb\u52a1\u961f\u5217<\/td><td>\u63a8\u8350\u4f7f\u7528\uff08\u5982 <code>ThreadPoolExecutor<\/code>\uff09<\/td><td>\u4e0d\u63a8\u8350\uff08\u53ef\u80fd\u5bfc\u81f4\u7ebf\u7a0b\u65e0\u6cd5\u6269\u5c55\uff09<\/td><\/tr><tr><td>\u5e38\u89c1\u5b9e\u73b0\u7c7b<\/td><td><code>ArrayBlockingQueue<\/code>, <code>LinkedBlockingQueue(capacity)<\/code><\/td><td><code>LinkedBlockingQueue()<\/code>\uff08\u65e0\u53c2\u6570\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u7ebf\u7a0b\u6c60\u4e2d\u7684\u5178\u578b\u7528\u6cd5<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>ExecutorService pool = new ThreadPoolExecutor(\n    2, 4,\n    60L, TimeUnit.SECONDS,\n    new LinkedBlockingQueue&lt;Runnable&gt;(100)  \/\/ \u2705 \u6709\u754c\u963b\u585e\u961f\u5217\n);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u4efb\u52a1\u961f\u5217\u6ee1\u65f6\uff0c\u7ebf\u7a0b\u6c60\u4f1a\u62d2\u7edd\u65b0\u4efb\u52a1\uff08\u53ef\u914d\u7f6e\u62d2\u7edd\u7b56\u7565\uff09<\/li>\n\n\n\n<li>\u5982\u679c\u4f7f\u7528\u65e0\u754c\u961f\u5217\uff0c\u7ebf\u7a0b\u6c60\u6c38\u8fdc\u4e0d\u4f1a\u6269\u5c55\u7ebf\u7a0b\uff0c\u53ea\u9760\u961f\u5217\u5806\u79ef\u4efb\u52a1\uff08\u4e0d\u63a8\u8350\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcd8 \u53c2\u8003\u8d44\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/util\/concurrent\/BlockingQueue.html\">\ud83d\udd17 Java \u5b98\u65b9\u6587\u6863\uff1aBlockingQueue<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/util\/concurrent\/ArrayBlockingQueue.html\">\ud83d\udd17 Java \u5b98\u65b9\u6587\u6863\uff1aArrayBlockingQueue<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/util\/concurrent\/LinkedBlockingQueue.html\">\ud83d\udd17 Java \u5b98\u65b9\u6587\u6863\uff1aLinkedBlockingQueue<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tech.meituan.com\/2019\/12\/05\/threadpool-best-practice.html\">\u7f8e\u56e2\u6280\u672f\u535a\u5ba2\uff1a\u7ebf\u7a0b\u6c60\u4efb\u52a1\u961f\u5217\u539f\u7406<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Java \u5e76\u53d1\u7f16\u7a0b\u4e2d\uff0c\u963b\u585e\u961f\u5217\uff08BlockingQueue\uff09 \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u961f\u5217\uff0c\u53ef\u4ee5\u5728\u961f\u5217\u4e3a\u7a7a\u65f6\u81ea\u52a8\u963b\u585e\u6d88 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-3853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3853"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3853\/revisions"}],"predecessor-version":[{"id":3855,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3853\/revisions\/3855"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3854"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}