{"id":551,"date":"2023-01-16T10:44:00","date_gmt":"2023-01-16T02:44:00","guid":{"rendered":"https:\/\/iichen.cn\/?p=551"},"modified":"2023-01-16T10:44:00","modified_gmt":"2023-01-16T02:44:00","slug":"android-cyclicbarriercountdownlatchfuture","status":"publish","type":"post","link":"https:\/\/iichen.cn\/?p=551","title":{"rendered":"Android-CyclicBarrier,CountDownLatch,Future"},"content":{"rendered":"<h4>1. CyclicBarrier<\/h4>\n<blockquote><p>\n  \u7ebf\u7a0b\u540c\u6b65\u3002cyclicBarrier.reset();    \u53ef\u4ee5\u91cd\u65b0\u6267\u884c<br \/>\n  \u6240\u6709\u7ebf\u7a0b\u5168\u90e8\u5b8c\u6210\u624d\u53ef\u4ee5\u5f00\u59cb\u540e\u7eed\u64cd\u4f5c\n<\/p><\/blockquote>\n<pre><code class=\"language-java line-numbers\">CyclicBarrier cyclicBarrier = new CyclicBarrier(3);\n\n    new Thread(() -&gt; {\n        try {\n            Thread.sleep(10_000);\n            System.out.println(\"t1 \u5728\u51c6\u5907 \");\n            cyclicBarrier.await();   \/\/ \u7b49\u53e6\u5916\u4e00\u4e2a\u4e00\u4e2a\u7ebf\u7a0b\u51c6\u5907\u597d \u7136\u540e\u5f00\u59cb\u505a\u4e8b\u60c5\n            System.out.println(\"t1 \u51c6\u5907\u597d\u4e86  \");\n        } catch (InterruptedException | BrokenBarrierException e) {\n            e.printStackTrace();\n        }\n\n    }).start();\n\n    new Thread(() -&gt; {\n        try {\n            Thread.sleep(5_000);\n            System.out.println(\"t2 \u5728\u51c6\u5907  \");\n            cyclicBarrier.await(); \/\/ \u7b49\u53e6\u5916\u4e00\u4e2a\u4e00\u4e2a\u7ebf\u7a0b\u51c6\u5907\u597d \u7136\u540e\u5f00\u59cb\u505a\u4e8b\u60c5\n            System.out.println(\"t2 \u51c6\u5907\u597d\u4e86  \");\n        } catch (InterruptedException | BrokenBarrierException e) {\n            e.printStackTrace();\n        }\n    }).start();\n\n\n    System.out.println(\" \u88c1\u5224 \u5728\u51c6\u5907 \");\n    cyclicBarrier.await();\n    System.out.println(\" \u88c1\u5224 \u51c6\u5907\u597d\u4e86 \");\n\n\n    while (true){\n        if (cyclicBarrier.getNumberWaiting()==0){\n            System.out.println(\" \u65f6\u95f4\u5230: \u5f00\u59cb\u6bd4\u8d5b\");\n            return;\n        }\n    }\n}\n\n<\/code><\/pre>\n<h4>2. CountDownLatch<\/h4>\n<pre><code class=\"language-java line-numbers\">public class CountDownLatchTest {\n    static CountDownLatch countDownLatch = new CountDownLatch(2);\n    public static void main(String[] args)\n        System. out. println( \"\u5168\u73ed\u540c\u5b66\u5f00\u59cb\u8003\u8bd5: -\u5171\u4e24\u4e2a\u5b66\u751f\");\n        new Thread(() -&gt; {\n            System. out. println(\u201d\u7b2c\u4e00\u4e2a\u5b66\u751f\u4ea4\u5377\uff0c countDownLatch\u51cf1\");\n            countDownLatch.countDown( );\n        }). start();\n        new Thread(() -&gt; {\n            System. out. println(\u201d\u7b2c\u4e8c\u4e2a\u5b66\u751f\u4ea4\u5377\uff0ccountDownLatch\u51cf1\");\n            countDownLatch.countDown();\n        }). start();\n        try \n            countDownLatch.await();\n        } catch (InterruptedException e) {\n        e. printstackTrace();\n        System.out. println(\u201c\u8001\u5e08\u6e05\u70b9\u8bd5\u5377\uff0c\u5728\u6b64\u4e4b\u524d\uff0c\u53ea\u8981\u4e00\u4e2a\u5b66\u751f\u6ca1\u4ea4\uff0c \u201d\n        + \"countDownLatch\u4e0d\u4e3a8\uff0c \u4e0d\u80fd\u79bb\u5f00\u8003\u573a\u201d);\n    }\n}\n<\/code><\/pre>\n<ul>\n<li>\u533a\u522b\uff1a<br \/>\n> CyclicBarrier \u6709\u4e00\u4e2a\u7ebf\u7a0b\u672a\u5b8c\u6210\uff0c\u5176\u4ed6\u7ebf\u7a0b\u90fd\u5f97\u7b49\u5f85\uff0c\u76f4\u5230\u5168\u90e8\u7ebf\u7a0b\u5b8c\u6210\u624d\u53ef\u4ee5\u540e\u7eed\u51c6\u5907<br \/>\n\u2018\u6e38\u620f\u52a0\u8f7d\uff0c\u5fc5\u987b\u5168\u90e8\u73a9\u5bb6\u90fd\u51c6\u5907\u5b8c\u6210\u624d\u53ef\u4ee5\u6e38\u620f\u3002\u2019<br \/>\n> CountDownLatch \u4efb\u610f\u4e00\u4e2a\u7ebf\u7a0b\u5b8c\u6210\uff0c\u8be5\u7ebf\u7a0b\u53ef\u4ee5\u540e\u7eed\u3002\u6240\u6709\u7ebf\u7a0b\u90fd\u5b8c\u6210\u624d\u53ef\u4ee5\u6267\u884c\u6700\u7ec8\u903b\u8f91<br \/>\n\u2018\u8003\u8bd5\uff0c\u4efb\u610f\u4e00\u4e2a\u8003\u751f\u8003\u8bd5\u5b8c\u5c31\u53ef\u4ee5\u79bb\u5f00\uff0c\u4f46\u5fc5\u987b\u5168\u90e8\u8003\u751f\u90fd\u8003\u8bd5\u5b8c\u6bd5\uff0c\u76d1\u8003\u8001\u5e08\u624d\u53ef\u4ee5\u6700\u7ec8\u6536\u5377\u3002\u2019<\/li>\n<\/ul>\n<h4>3. Future<\/h4>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.liaoxuefeng.com\/wiki\/1252599548343744\/1306581155184674\">https:\/\/www.liaoxuefeng.com\/wiki\/1252599548343744\/1306581155184674<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. CyclicBarrier \u7ebf\u7a0b\u540c\u6b65\u3002cyclicBarrier.reset(); \u53ef\u4ee5\u91cd\u65b0\u6267\u884c \u6240\u6709\u7ebf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,8],"tags":[],"class_list":["post-551","post","type-post","status-publish","format-standard","hentry","category-android","category-8"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Android-CyclicBarrier,CountDownLatch,Future - IIchen<\/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:\/\/iichen.cn\/?p=551\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Android-CyclicBarrier,CountDownLatch,Future - IIchen\" \/>\n<meta property=\"og:description\" content=\"1. 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