{"id":66813,"date":"2025-05-03T14:47:22","date_gmt":"2025-05-03T06:47:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66813\/"},"modified":"2025-05-03T14:47:22","modified_gmt":"2025-05-03T06:47:22","slug":"java%e5%a4%9a%e4%b8%aa%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e4%b8%80%e6%ac%a1%e9%81%8d%e5%8e%86-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66813\/","title":{"rendered":"Java\u591a\u4e2a\u6570\u7ec4\u600e\u4e48\u4e00\u6b21\u904d\u5386"},"content":{"rendered":"<blockquote><p>\n  \u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4e00\u6b21\u904d\u5386\u591a\u4e2a java \u6570\u7ec4\uff1a\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6bcf\u4e2a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 java 8 streams \u6241\u5e73\u5316\u6570\u7ec4\u5e76\u904d\u5386\u6240\u6709\u5143\u7d20\u3002\u4f7f\u7528\u5916\u90e8\u8fed\u4ee3\u5668\u904d\u5386\u6570\u7ec4\u5e76\u83b7\u53d6\u6bcf\u4e2a\u6570\u7ec4\u7684\u5185\u90e8\u8fed\u4ee3\u5668\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111710572883595.jpg\" class=\"aligncenter\" title=\"Java\u591a\u4e2a\u6570\u7ec4\u600e\u4e48\u4e00\u6b21\u904d\u5386\u63d2\u56fe\" alt=\"Java\u591a\u4e2a\u6570\u7ec4\u600e\u4e48\u4e00\u6b21\u904d\u5386\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4e00\u6b21\u904d\u5386\u591a\u4e2a Java \u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528 Java \u904d\u5386\u591a\u4e2a\u6570\u7ec4\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u5d4c\u5957\u5faa\u73af<\/strong><\/p>\n<p>\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] arrays = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\nfor (int[] innerArray : arrays) {\n    for (int element : innerArray) {\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. Java 8 Streams<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86 Streams\uff0c\u53ef\u4ee5\u66f4\u7b80\u6d01\u5730\u904d\u5386\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] arrays = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\nArrays.stream(arrays)\n    .flatMapToInt(Arrays::stream)\n    .forEach(System.out::print);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u5916\u90e8\u8fed\u4ee3\u5668<\/strong><\/p>\n<pre>int[][] arrays = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\nIterator&lt;int[]&gt; outerIterator = Arrays.stream(arrays).iterator();\nwhile (outerIterator.hasNext()) {\n    int[] innerArray = outerIterator.next();\n    Iterator&lt;Integer&gt; innerIterator = Arrays.stream(innerArray).iterator();\n    while (innerIterator.hasNext()) {\n        int element = innerIterator.next();\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u591a\u4e2a\u6570\u7ec4\u600e\u4e48\u4e00\u6b21\u904d\u5386\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4e00\u6b21\u904d\u5386\u591a\u4e2a java \u6570\u7ec4\uff1a\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6bcf\u4e2a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 java 8 streams \u6241\u5e73\u5316\u6570\u7ec4\u5e76\u904d\u5386\u6240\u6709\u5143\u7d20\u3002\u4f7f\u7528\u5916\u90e8\u8fed\u4ee3\u5668\u904d\u5386\u6570\u7ec4\u5e76\u83b7\u53d6\u6bcf\u4e2a\u6570\u7ec4\u7684\u5185\u90e8\u8fed\u4ee3\u5668\u3002 \u5982\u4f55\u4e00\u6b21\u904d\u5386\u591a\u4e2a Java \u6570\u7ec4 \u4f7f\u7528 Java \u904d\u5386\u591a\u4e2a\u6570\u7ec4\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u5d4c\u5957\u5faa\u73af \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] arrays = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} }; for (int[] innerArray : arrays) { for (int element : innerArray) { System.out.print(element + &#8221; &#8220;); } System.out.println(); } \u767b\u5f55\u540e\u590d\u5236 2. Java 8 Streams [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-66813","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66813","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=66813"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66813\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}