{"id":65475,"date":"2025-05-03T12:55:35","date_gmt":"2025-05-03T04:55:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65475\/"},"modified":"2025-05-03T12:55:35","modified_gmt":"2025-05-03T04:55:35","slug":"java%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba%e6%95%b0%e7%bb%84%e5%85%a8%e9%83%a8%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65475\/","title":{"rendered":"java\u600e\u4e48\u8868\u793a\u6570\u7ec4\u5168\u90e8\u503c"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u503c\uff1a\u4f7f\u7528 for \u5faa\u73af\uff08\u904d\u5386\u6bcf\u4e2a\u5143\u7d20\uff09\uff0c\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff08\u7b80\u5316\u904d\u5386\uff09\uff0c\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\uff08\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff09\uff0c\u4ee5\u53ca\u4f7f\u7528 stream api\uff08\u51fd\u6570\u5f0f\u7f16\u7a0b\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111301575892307.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u8868\u793a\u6570\u7ec4\u5168\u90e8\u503c\u63d2\u56fe\" alt=\"java\u600e\u4e48\u8868\u793a\u6570\u7ec4\u5168\u90e8\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u8868\u793a\u6570\u7ec4\u5168\u90e8\u503c\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u591a\u4e2a\u503c\u7684\u5bb9\u5668\u3002\u8981\u8868\u793a\u6570\u7ec4\u7684\u5168\u90e8\u503c\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n<p>\u8fd9\u662f\u904d\u5386\u6570\u7ec4\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u7075\u6d3b\u4e14\u6613\u4e8e\u5b9e\u73b0\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i &lt; arr.length; i++) {\n    System.out.println(arr[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff08\u63a8\u8350\uff09<\/strong><\/p>\n<p>\u5728 Java 5 \u4e2d\u5f15\u5165\u7684\u589e\u5f3a for \u5faa\u73af\u63d0\u4f9b\u4e86\u904d\u5386\u6570\u7ec4\u7684\u66f4\u7b80\u6d01\u4e14\u53ef\u8bfb\u6027\u66f4\u5f3a\u7684\u8bed\u6cd5\uff1a<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nfor (int element : arr) {\n    System.out.println(element);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.toString() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff0c\u5176\u4e2d\u5143\u7d20\u7528\u9017\u53f7\u5206\u9694\uff1a<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\nString arrayString = Arrays.toString(arr);\nSystem.out.println(arrayString); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528 Stream API\uff08Java 8+\uff09<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86 Stream API\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u65b9\u5f0f\u6765\u5904\u7406\u6570\u7ec4\uff1a<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\n\narr.stream()\n    .forEach(System.out::println);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u6570\u7ec4\u7684\u5927\u5c0f\u3001\u9700\u8981\u6267\u884c\u7684\u64cd\u4f5c\u4ee5\u53ca\u4e2a\u4eba\u504f\u597d\u3002\u5bf9\u4e8e\u5c0f\u578b\u6570\u7ec4\uff0cfor \u5faa\u73af\u53ef\u80fd\u5c31\u8db3\u591f\u4e86\uff0c\u800c\u5bf9\u4e8e\u5927\u578b\u6570\u7ec4\uff0c\u589e\u5f3a for \u5faa\u73af\u6216 Stream API \u53ef\u80fd\u66f4\u6709\u6548\u7387\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8868\u793a\u6570\u7ec4\u5168\u90e8\u503c\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>\u5728 java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u503c\uff1a\u4f7f\u7528 for \u5faa\u73af\uff08\u904d\u5386\u6bcf\u4e2a\u5143\u7d20\uff09\uff0c\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff08\u7b80\u5316\u904d\u5386\uff09\uff0c\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\uff08\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff09\uff0c\u4ee5\u53ca\u4f7f\u7528 stream api\uff08\u51fd\u6570\u5f0f\u7f16\u7a0b\uff09\u3002 Java \u8868\u793a\u6570\u7ec4\u5168\u90e8\u503c\u7684\u65b9\u6cd5 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u591a\u4e2a\u503c\u7684\u5bb9\u5668\u3002\u8981\u8868\u793a\u6570\u7ec4\u7684\u5168\u90e8\u503c\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 for \u5faa\u73af \u8fd9\u662f\u904d\u5386\u6570\u7ec4\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u7075\u6d3b\u4e14\u6613\u4e8e\u5b9e\u73b0\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; for (int i = 0; i &lt; arr.length; i++) { System.out.println(arr[i]); } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff08\u63a8\u8350\uff09 \u5728 Java 5 \u4e2d\u5f15\u5165\u7684\u589e\u5f3a for \u5faa\u73af\u63d0\u4f9b\u4e86\u904d\u5386\u6570\u7ec4\u7684\u66f4\u7b80\u6d01\u4e14\u53ef\u8bfb\u6027\u66f4\u5f3a\u7684\u8bed\u6cd5\uff1a int[] arr [&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-65475","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65475","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=65475"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65475\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}