{"id":256,"date":"2022-09-30T17:15:35","date_gmt":"2022-08-14T12:25:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e5%88%86%e5%89%b2%e5%99%a8\/"},"modified":"2025-08-01T03:01:15","modified_gmt":"2025-07-31T19:01:15","slug":"java%e5%88%86%e5%89%b2%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%88%86%e5%89%b2%e5%99%a8\/","title":{"rendered":"Java\u5b57\u7b26\u4e32\u5206\u5272\uff1a\u9ad8\u6548\u5904\u7406\u6587\u672c\u6570\u636e\u7684\u7ec8\u6781\u6307\u5357"},"content":{"rendered":"

Java\u7684Spliterator\u662f\u56db\u4e2a\u8fed\u4ee3\u5668\u4e4b\u4e00\u2014\u2014Enumeration\u3001Iterator\u3001ListIterator\u548cSpliterator\u3002<\/p>\n

Java\u5206\u5272\u8fed\u4ee3\u5668<\/h2>\n

\u4e0eIterator\u548cListIterator\u4e00\u6837\uff0cSpliterator\u662f\u4e00\u4e2a\u7528\u4e8e\u4ece\u4e00\u4e2a\u5df2\u5b9e\u73b0\u7684List\u5bf9\u8c61\u4e2d\u9010\u4e2a\u8fed\u4ee3\u5143\u7d20\u7684Java\u8fed\u4ee3\u5668\u3002\u5173\u4e8eJava Spliterator\u7684\u4e00\u4e9b\u91cd\u8981\u70b9\u662f\uff1a<\/p>\n

    Java Spliterator\u662fJava Collection API\u4e2d\u7684\u4e00\u4e2a\u63a5\u53e3\u3002
    \nSpliterator\u5728Java 8\u7248\u672c\u4e2d\u5f15\u5165\uff0c\u4f4d\u4e8ejava.util\u5305\u4e2d\u3002
    \n\u5b83\u652f\u6301\u5e76\u884c\u7f16\u7a0b\u529f\u80fd\u3002
    \n\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u7528\u4e8eCollection API\u548cStream API\u7c7b\u3002
    \n\u5b83\u63d0\u4f9b\u4e86\u6709\u5173Collection\u6216API\u5bf9\u8c61\u7684\u7279\u6027\u3002
    \n\u6211\u4eec\u4e0d\u80fd\u5c06\u6b64\u8fed\u4ee3\u5668\u7528\u4e8e\u5b9e\u73b0Map\u7684\u7c7b\u3002
    \n\u5b83\u4f7f\u7528tryAdvance()\u65b9\u6cd5\u4ee5\u591a\u7ebf\u7a0b\u7684\u65b9\u5f0f\u5355\u72ec\u8fed\u4ee3\u5143\u7d20\uff0c\u4ee5\u652f\u6301\u5e76\u884c\u5904\u7406\u3002
    \n\u5b83\u4f7f\u7528forEachRemaining()\u65b9\u6cd5\u4ee5\u5355\u7ebf\u7a0b\u7684\u65b9\u5f0f\u6309\u987a\u5e8f\u8fed\u4ee3\u5143\u7d20\u3002
    \n\u5b83\u4f7f\u7528trySplit()\u65b9\u6cd5\u5c06\u81ea\u8eab\u5206\u5272\u6210\u5b50Spliterator\uff0c\u4ee5\u652f\u6301\u5e76\u884c\u5904\u7406\u3002
    \nSpliterator\u652f\u6301\u6570\u636e\u7684\u987a\u5e8f\u548c\u5e76\u884c\u5904\u7406\u3002<\/ol>\n

    Spliterator\u672c\u8eab\u4e0d\u63d0\u4f9b\u5e76\u884c\u7f16\u7a0b\u884c\u4e3a\u3002\u4f46\u662f\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e9b\u65b9\u6cd5\u6765\u652f\u6301\u5e76\u884c\u7f16\u7a0b\u3002\u5f00\u53d1\u8005\u5e94\u8be5\u5229\u7528Spliterator\u63a5\u53e3\u7684\u65b9\u6cd5\uff0c\u5e76\u901a\u8fc7\u4f7f\u7528Fork\/Join Framework\uff08\u4e00\u79cd\u5f88\u597d\u7684\u65b9\u6cd5\uff09\u6765\u5b9e\u73b0\u5e76\u884c\u7f16\u7a0b\u3002<\/p>\n

    Spliterator\u7684\u4e3b\u8981\u529f\u80fd<\/h4>\n
      \n
    • Splitting the source data.<\/li>\n
    • Processing the source data.<\/li>\n<\/ul>\n
      \n \"Java\n <\/div>\n

      Java Spliterator\u7c7b\u7684\u7c7b\u56fe\u3002<\/h3>\n
      \n \"Java\n <\/div>\n

      Java\u7684Spliterator\u65b9\u6cd5<\/h3>\n

      \u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u9010\u4e00\u5217\u51fa\u6240\u6709Java Spliterator\u65b9\u6cd5\uff0c\u5e76\u9644\u4e0a\u4e00\u4e9b\u6709\u7528\u7684\u63cf\u8ff0\u3002<\/p>\n

        \u7279\u6027\uff08int characteristics()\uff09\uff1a\u8fd4\u56de\u8be5Spliterator\u53ca\u5176\u5143\u7d20\u7684\u4e00\u7ec4\u7279\u6027\u3002
        \n\u4f30\u8ba1\u5927\u5c0f\uff08long estimateSize()\uff09\uff1a\u8fd4\u56de\u901a\u8fc7forEachRemaining()\u904d\u5386\u53ef\u80fd\u9047\u5230\u7684\u5143\u7d20\u6570\u91cf\u7684\u4f30\u8ba1\u503c\uff0c\u5982\u679c\u662f\u65e0\u9650\u7684\u3001\u672a\u77e5\u7684\u6216\u8ba1\u7b97\u6210\u672c\u8fc7\u9ad8\uff0c\u5219\u8fd4\u56deLong.MAX_VALUE\u3002
        \nforEachRemaining(Consumer action)\uff1a\u5bf9\u5269\u4f59\u7684\u6bcf\u4e2a\u5143\u7d20\u6309\u987a\u5e8f\u5728\u5f53\u524d\u7ebf\u7a0b\u4e2d\u6267\u884c\u7ed9\u5b9a\u7684\u64cd\u4f5c\uff0c\u76f4\u5230\u6240\u6709\u5143\u7d20\u90fd\u88ab\u5904\u7406\u5b8c\u6216\u64cd\u4f5c\u629b\u51fa\u5f02\u5e38\u3002
        \n\u83b7\u53d6\u6bd4\u8f83\u5668\uff08default Comparator getComparator()\uff09\uff1a\u5982\u679c\u8be5Spliterator\u7684\u6e90\u662f\u901a\u8fc7\u6bd4\u8f83\u5668\u8fdb\u884c\u6392\u5e8f\u7684\uff0c\u5219\u8fd4\u56de\u8be5\u6bd4\u8f83\u5668\u3002
        \n\u83b7\u53d6\u51c6\u786e\u5927\u5c0f\uff08default long getExactSizeIfKnown()\uff09\uff1a\u5982\u679c\u8be5Spliterator\u662f\u786e\u5b9a\u5927\u5c0f\u7684\uff0c\u5219\u8fd4\u56de\u4f30\u8ba1\u5927\u5c0f\uff08estimateSize()\uff09\uff0c\u5426\u5219\u8fd4\u56de-1\u3002
        \n\u5177\u6709\u7279\u6027\uff08default boolean hasCharacteristics(int characteristics)\uff09\uff1a\u5982\u679c\u8be5Spliterator\u7684\u7279\u6027(characteristics())\u5305\u542b\u6240\u6709\u7ed9\u5b9a\u7684\u7279\u6027\uff0c\u5219\u8fd4\u56detrue\u3002
        \n\u5c1d\u8bd5\u63a8\u8fdb\uff08boolean tryAdvance(Consumer action)\uff09\uff1a\u5982\u679c\u5b58\u5728\u5269\u4f59\u7684\u5143\u7d20\uff0c\u5219\u5bf9\u5176\u6267\u884c\u7ed9\u5b9a\u7684\u64cd\u4f5c\uff0c\u5e76\u8fd4\u56detrue\uff1b\u5426\u5219\u8fd4\u56defalse\u3002
        \n\u5c1d\u8bd5\u62c6\u5206\uff08Spliterator trySplit()\uff09\uff1a\u5982\u679c\u8be5Spliterator\u53ef\u4ee5\u5206\u5272\uff0c\u5219\u8fd4\u56de\u4e00\u4e2a\u8986\u76d6\u5143\u7d20\u7684Spliterator\uff0c\u8be5\u5143\u7d20\u5728\u4ece\u6b64\u65b9\u6cd5\u8fd4\u56de\u540e\u5c06\u4e0d\u88ab\u6b64Spliterator\u8986\u76d6\u3002<\/ol>\n

        Java Spliterator \u793a\u4f8b<\/h3>\n

        \u5728\u8fd9\u4e00\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5982\u4f55\u4f7f\u7528spliterator\uff08\uff09\u521b\u5efaJava\u7684Spliterator\u5bf9\u8c61\uff0c\u5e76\u4e3e\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u3002<\/p>\n

        import java.util.Spliterator;\r\nimport java.util.ArrayList;\r\nimport java.util.List;\r\n\r\npublic class SpliteratorSequentialIteration\r\n{\r\n  public static void main(String[] args) \r\n  {\r\n\tList<String> names = new ArrayList<>();\r\n\tnames.add(\"Rams\");\r\n\tnames.add(\"Posa\");\r\n\tnames.add(\"Chinni\");\r\n\t\t\r\n\t\/\/ Getting Spliterator\r\n\tSpliterator<String> namesSpliterator = names.spliterator();\r\n\t\t\r\n\t\/\/ Traversing elements\r\n\tnamesSpliterator.forEachRemaining(System.out::println);\t\t\t\r\n   }\r\n}\r\n<\/code><\/pre>\n
        \u4ea7\u51fa\uff1a<\/p>\n
        Rams\r\nPosa\r\nChinni\r\n<\/code><\/pre>\n
        \u5982\u679c\u6211\u4eec\u89c2\u5bdf\u4e0a\u9762\u7684\u7a0b\u5e8f\u548c\u8f93\u51fa\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u7406\u89e3Spliterator.forEachRemaining()\u65b9\u6cd5\u7684\u5de5\u4f5c\u65b9\u5f0f\u4e0eArrayList.foreach()\u65b9\u6cd5\u76f8\u540c\u3002\u662f\u7684\uff0c\u4e24\u8005\u7684\u5de5\u4f5c\u65b9\u5f0f\u76f8\u4f3c\u3002<\/p>\n
        Spliterator\u7684\u4f18\u52bf<\/h3>\n
          \u4e0e\u8fed\u4ee3\u5668\u548c\u5217\u8868\u8fed\u4ee3\u5668\u4e0d\u540c\uff0c\u5b83\u652f\u6301\u5e76\u884c\u7f16\u7a0b\u529f\u80fd\u3002
          \n\u4e0e\u8fed\u4ee3\u5668\u548c\u5217\u8868\u8fed\u4ee3\u5668\u4e0d\u540c\uff0c\u5b83\u652f\u6301\u6570\u636e\u7684\u987a\u5e8f\u548c\u5e76\u884c\u5904\u7406\u3002
          \n\u4e0e\u5176\u4ed6\u8fed\u4ee3\u5668\u76f8\u6bd4\uff0c\u5b83\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u3002<\/ol>\n
          \u8fed\u4ee3\u5668\u4e0e\u5206\u5272\u8fed\u4ee3\u5668\u7684\u5bf9\u6bd4<\/h3>\n
          \n
          \n\n\n\n\n\n\n\n\n
          Iterator<\/th>\nSpliterator<\/th>\n<\/tr>\n<\/thead>\n
          Introduced in Java 1.2.<\/td>\nIntroduced in Java 1.8.<\/td>\n<\/tr>\n
          It is an Iterator for whole Collection API.<\/td>\nIt is an Iterator for both Collection and Stream API, except Map implemented classes.<\/td>\n<\/tr>\n
          It is an Universal Iterator.<\/td>\nIt is NOT an Universal Iterator.<\/td>\n<\/tr>\n
          It does NOT support Parallel Programming.<\/td>\nIt supports Parallel Programming.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
          \u5173\u4e8eJava\u4e2d\u7684Spliterator\u5c31\u662f\u8fd9\u4e9b\u4e86\u3002\u53c2\u8003\uff1aAPI\u6587\u6863\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          Java\u7684Spliterator\u662f\u56db\u4e2a\u8fed\u4ee3\u5668\u4e4b\u4e00\u2014\u2014Enumeration\u3001Iterator\u3001ListIter […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[189,939,938,443,21],"class_list":["post-256","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-string-split","tag-938","tag-443","tag-21"],"yoast_head":"\nJava\u5b57\u7b26\u4e32\u5206\u5272\uff1a\u9ad8\u6548\u5904\u7406\u6587\u672c\u6570\u636e\u7684\u7ec8\u6781\u6307\u5357 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u63a2\u7d22Java\u4e2d\u5b57\u7b26\u4e32\u5206\u5272\u7684\u5404\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528`split()`\u3001`StringTokenizer`\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u5b66\u4e60\u5982\u4f55\u9ad8\u6548\u5730\u5904\u7406\u6587\u672c\u6570\u636e\uff0c\u907f\u514d\u5e38\u89c1\u9677\u9631\uff0c\u5e76\u4f18\u5316\u4f60\u7684Java\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002\u672c\u6307\u5357\u6db5\u76d6\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u7684\u5b57\u7b26\u4e32\u5206\u5272\u6280\u5de7\u3002\" \/>\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\u5206\u5272\u5668\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u5b57\u7b26\u4e32\u5206\u5272\uff1a\u9ad8\u6548\u5904\u7406\u6587\u672c\u6570\u636e\u7684\u7ec8\u6781\u6307\u5357\" \/>\n<meta property=\"og:description\" content=\"\u6df1\u5165\u63a2\u7d22Java\u4e2d\u5b57\u7b26\u4e32\u5206\u5272\u7684\u5404\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528`split()`\u3001`StringTokenizer`\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u5b66\u4e60\u5982\u4f55\u9ad8\u6548\u5730\u5904\u7406\u6587\u672c\u6570\u636e\uff0c\u907f\u514d\u5e38\u89c1\u9677\u9631\uff0c\u5e76\u4f18\u5316\u4f60\u7684Java\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002\u672c\u6307\u5357\u6db5\u76d6\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u7684\u5b57\u7b26\u4e32\u5206\u5272\u6280\u5de7\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u5206\u5272\u5668\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-14T12:25:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-31T19:01:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647bd0a4b2f92e6c72c503\/7-0.png\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%88%86%e5%89%b2%e5%99%a8\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%88%86%e5%89%b2%e5%99%a8\/\",\"name\":\"Java\u5b57\u7b26\u4e32\u5206\u5272\uff1a\u9ad8\u6548\u5904\u7406\u6587\u672c\u6570\u636e\u7684\u7ec8\u6781\u6307\u5357 - 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