{"id":39151,"date":"2024-11-26T08:30:06","date_gmt":"2024-11-26T00:30:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39151\/"},"modified":"2024-11-26T08:30:06","modified_gmt":"2024-11-26T00:30:06","slug":"java%e6%80%8e%e4%b9%88%e6%89%93%e5%8d%b0%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e5%87%ba%e6%9d%a5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39151\/","title":{"rendered":"java\u600e\u4e48\u6253\u5370\u4e8c\u7ef4\u6570\u7ec4\u51fa\u6765"},"content":{"rendered":"<blockquote><p>\n  \u4e8c\u7ef4\u6570\u7ec4\u6253\u5370 java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u6253\u5370\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u6253\u5370\uff1a\u4f7f\u7528 system.out.println() \u5206\u522b\u6253\u5370\u6bcf\u4e00\u884c\u5143\u7d20\u3002\u4f7f\u7528 arrays.deeptostring()\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u540e\u6253\u5370\u3002\u4f7f\u7528 stream api\uff1a\u5c06\u6570\u7ec4\u5c55\u5e73\u4e3a\u4e00\u7ef4\u6570\u7ec4\u540e\u9010\u4e2a\u6253\u5370\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111604362849469.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u6253\u5370\u4e8c\u7ef4\u6570\u7ec4\u51fa\u6765\u63d2\u56fe\" alt=\"java\u600e\u4e48\u6253\u5370\u4e8c\u7ef4\u6570\u7ec4\u51fa\u6765\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6253\u5370 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u6253\u5370<\/strong><\/p>\n<p>\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u4f7f\u7528 Java \u7684 System.out.println() \u65b9\u6cd5\u3002\u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4 arr \u6765\u8bf4\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>for (int[] row : arr) {\n    for (int element : row) {\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.deepToString()<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>Java 8 \u5f15\u5165\u4e86 Arrays.deepToString() \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u591a\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4 arr \u6765\u8bf4\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>System.out.println(Arrays.deepToString(arr));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Stream API<\/strong><\/p>\n<p>Java 8 \u7684 Stream API \u4e5f\u53ef\u4ee5\u7528\u6765\u6253\u5370\u4e8c\u7ef4\u6570\u7ec4\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>Arrays.stream(arr)\n        .flatMapToInt(Arrays::stream)  \/\/ \u5c06\u4e8c\u7ef4\u6570\u7ec4\u5c55\u5e73\u4e3a\u4e00\u7ef4\u6570\u7ec4\n        .forEachOrdered(System.out::print);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u7ed9\u5b9a\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 arr\uff1a<\/p>\n<pre>int[][] arr = {\n    {1, 2},\n    {3, 4}\n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u6253\u5370\u65b9\u5f0f\u7684\u8f93\u51fa\u7ed3\u679c\u90fd\u662f\uff1a<\/p>\n<pre>1 2\n3 4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6253\u5370\u4e8c\u7ef4\u6570\u7ec4\u51fa\u6765\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e8c\u7ef4\u6570\u7ec4\u6253\u5370 java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u6253\u5370\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u6253\u5370\uff1a\u4f7f\u7528 system.out.println() \u5206\u522b\u6253\u5370\u6bcf\u4e00\u884c\u5143\u7d20\u3002\u4f7f\u7528 arrays.deeptostring()\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u540e\u6253\u5370\u3002\u4f7f\u7528 stream api\uff1a\u5c06\u6570\u7ec4\u5c55\u5e73\u4e3a\u4e00\u7ef4\u6570\u7ec4\u540e\u9010\u4e2a\u6253\u5370\u5143\u7d20\u3002 \u5982\u4f55\u6253\u5370 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4 \u76f4\u63a5\u6253\u5370 \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u4f7f\u7528 Java \u7684 System.out.println() \u65b9\u6cd5\u3002\u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4 arr \u6765\u8bf4\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a for (int[] row : arr) { for (int element : row) { System.out.print(element + &#8221; &#8220;); } System.out.println(); } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.deepToString() \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Java 8 \u5f15\u5165\u4e86 Arrays.deepToString() \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u591a\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4 arr \u6765\u8bf4\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a System.out.println(Arrays.deepToString(arr)); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Stream API Java [&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-39151","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39151","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=39151"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39151\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}