{"id":1371,"date":"2023-06-27T13:54:15","date_gmt":"2023-06-27T05:54:15","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1371"},"modified":"2023-06-27T13:54:15","modified_gmt":"2023-06-27T05:54:15","slug":"%e9%9d%a2%e8%af%95%e5%ae%98-stream%e5%b9%b6%e8%a1%8c%e6%b5%81%e6%9c%89%e4%ba%86%e8%a7%a3%e8%bf%87%e5%90%97%ef%bc%9f%e8%af%b4%e8%af%b4%e7%9c%8b","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/%e9%9d%a2%e8%af%95%e5%ae%98-stream%e5%b9%b6%e8%a1%8c%e6%b5%81%e6%9c%89%e4%ba%86%e8%a7%a3%e8%bf%87%e5%90%97%ef%bc%9f%e8%af%b4%e8%af%b4%e7%9c%8b\/","title":{"rendered":"\u9762\u8bd5\u5b98: Stream\u5e76\u884c\u6d41\u6709\u4e86\u89e3\u8fc7\u5417\uff1f\u8bf4\u8bf4\u770b"},"content":{"rendered":"
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\n

<\/span>\u9762\u8bd5\u5b98: Stream\u5e76\u884c\u6d41\u6709\u4e86\u89e3\u8fc7\u5417\uff1f\u8bf4\u8bf4\u770b<\/span><\/span><\/h1>\n

<\/span>\u524d\u8a00<\/span><\/span><\/h2>\n

\u76ee\u524d\u6b63\u5728\u51fa\u4e00\u4e2aJava\u591a\u7ebf\u7a0b\u4e13\u9898<\/code>\u957f\u671f\u7cfb\u5217\u6559\u7a0b\uff0c\u4ece\u5165\u95e8\u5230\u8fdb\u9636\u542b\u6e90\u7801\u89e3\u8bfb<\/code>, \u7bc7\u5e45\u4f1a\u8f83\u591a, \u559c\u6b22\u7684\u8bdd\uff0c\u7ed9\u4e2a\u5173\u6ce8\u2764\ufe0f ~<\/p>\n

<\/mp-common-profile><\/section>\n

\u672c\u8282\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0bStream\u5e76\u884c\u6d41<\/code>,\u4e00\u8d77\u6765\u770b\u4e0b\u5427~<\/p>\n

<\/span>Stream<\/span><\/span><\/h2>\n

\u4eceJava8<\/code>\u4ee5\u540e,\u63d0\u4f9b\u4e86Stream<\/code>\u63a5\u53e3\u4ee5\u53ca\u300clambda\u8868\u8fbe\u5f0f\u300d<\/strong>\u8fdb\u884c\u6d41\u5f0f\u8ba1\u7b97<\/code>,\u8fd9\u4f7f\u6211\u4eec\u975e\u5e38\u65b9\u4fbf\u7684\u5904\u7406\u96c6\u5408\u95ee\u9898\uff0c\u4ee3\u7801\u4e5f\u53d8\u7684\u66f4\u52a0\u7b80\u6d01\uff0c\u9ad8\u6548\uff0c\u60f3\u5fc5\u5927\u5bb6\u4e5f\u4e00\u5b9a\u7528\u8fc7\u3002<\/p>\n

\u5e73\u65f6\u5927\u90e8\u5206\u5904\u7406\u7684\u90fd\u662f\u4e32\u884c<\/code>\u8ba1\u7b97\uff0c\u4f46\u662f\u67d0\u4e9b\u573a\u666f\u4e0b\u6211\u4eec\u9700\u8981\u5904\u7406\u5e76\u884c<\/code>\u8ba1\u7b97,\u6bd4\u5982\u4e0a\u8282\u7ed9\u5927\u5bb6\u8bb2\u7684fork\/join<\/code>\u5b83\u5904\u7406\u8d77\u6765\u5c31\u76f8\u5bf9\u590d\u6742\u4e00\u70b9\u3002<\/p>\n

<\/span>Stream\u5e76\u884c\u6d41<\/span><\/span><\/h3>\n

\u5e9f\u8bdd\u4e0d\u591a\u8bf4\uff0c\u6211\u4eec\u76f4\u63a5\u4e0a\u4ee3\u7801\uff0c\u5148\u5feb\u901f\u7684\u4f53\u9a8c\u4e00\u4e0b:<\/p>\n

<\/span>ForkJoinPool.commonPool-worker-4: 5 + 6 = 11
ForkJoinPool.commonPool-worker-1: 2 + 3 = 5
ForkJoinPool.commonPool-worker-4: 4 + 11 = 15
ForkJoinPool.commonPool-worker-1: 1 + 5 = 6
ForkJoinPool.commonPool-worker-1: 6 + 15 = 21
21
<\/code><\/pre>\n
\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7parallelStream<\/code>\u6765\u83b7\u5f97\u4e00\u4e2a\u5e76\u884c\u6d41\uff0c\u662f\u4e0d\u662f\u5f88\u65b9\u4fbf\u3002<\/p>\n
<\/span>\u7ed3\u675f\u8bed<\/span><\/span><\/h2>\n
\u672c\u8282\u4e3b\u8981\u8bb2\u89e3\u5b83\u7684\u4e00\u4e2a\u4f7f\u7528\uff0c\u4e5f\u4e0d\u662f\u8bf4\u5168\u90e8\u90fd\u7528stream\u5e76\u884c\u6d41\uff0c\u5f53\u6570\u636e\u7279\u522b\u591a\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u63d0\u9ad8\u6548\u7387\uff0c\u6570\u636e\u7279\u522b\u5c11\u7684\u60c5\u51b5\uff0c\u5c31\u4e0d\u5efa\u8bae\u4f7f\u7528\u4e86\u3002\u4e0b\u4e00\u8282\uff0c\u7ed9\u5927\u5bb6\u6574\u7406\u4e00\u4e0b\u672c\u671f\u4e13\u9898\u7684\u6240\u6709\u5185\u5bb9\uff0c\u4f9b\u5927\u5bb6\u65b9\u4fbf\u53bb\u9605\u8bfb\uff0c\u591a\u7ebf\u7a0b\u4e13\u9898\u5c31\u6b64\u5b8c\u7ed3\u3002\u5173\u6ce8\u6211\uff0c\u4e0d\u8ff7\u8def ~<\/p>\n
<\/mp-miniprogram><\/p>\n

<\/p>\n
\u5f80\u671f\u5e76\u53d1\u7f16\u7a0b\u5185\u5bb9\u63a8\u8350<\/span><\/span><\/h2>\n