{"id":65204,"date":"2025-05-03T17:27:08","date_gmt":"2025-05-03T09:27:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65204\/"},"modified":"2025-05-03T17:27:08","modified_gmt":"2025-05-03T09:27:08","slug":"java%e4%b8%ad%e5%af%b9%e6%95%b0%e7%bb%84%e7%9a%84%e6%93%8d%e4%bd%9c%e6%9c%89%e5%93%aa%e4%ba%9b%e6%96%b9%e6%b3%95-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65204\/","title":{"rendered":"java\u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u6709\u54ea\u4e9b\u65b9\u6cd5"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u65b9\u6cd5\u5305\u62ec\uff1a\u521b\u5efa\u5e76\u521d\u59cb\u5316\u8bbf\u95ee\u5143\u7d20\u548c\u83b7\u53d6\u957f\u5ea6\u904d\u5386\u6570\u7ec4\u590d\u5236\u6570\u7ec4\u6392\u5e8f\u6570\u7ec4\u641c\u7d22\u6570\u7ec4\u6570\u7ec4\u64cd\u4f5c\u5de5\u5177\u65b9\u6cd5\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111211364287247.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u6709\u54ea\u4e9b\u65b9\u6cd5\u63d2\u56fe\" alt=\"java\u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u6709\u54ea\u4e9b\u65b9\u6cd5\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u65b9\u6cd5<\/strong><\/p>\n<p>Java \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u7ec4\u64cd\u4f5c\u65b9\u6cd5\uff0c\u7528\u4e8e\u5904\u7406\u6570\u7ec4\u5143\u7d20\u3001\u83b7\u53d6\u6570\u7ec4\u4fe1\u606f\u7b49\u3002\u4e3b\u8981\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><strong>1. \u6570\u7ec4\u521b\u5efa<\/strong><\/p>\n<ul>\n<li>new int[] {1, 2, 3}\uff1a\u521b\u5efa\u5e76\u521d\u59cb\u5316 int \u7c7b\u578b\u6570\u7ec4<\/li>\n<li>new String[] {&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;}\uff1a\u521b\u5efa\u5e76\u521d\u59cb\u5316 String \u7c7b\u578b\u6570\u7ec4<\/li>\n<\/ul>\n<p><strong>2. \u6570\u7ec4\u8bbf\u95ee<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>array[index]\uff1a\u83b7\u53d6\u6307\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20<\/li>\n<li>array.length\uff1a\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6<\/li>\n<\/ul>\n<p><strong>3. \u6570\u7ec4\u904d\u5386<\/strong><\/p>\n<p><strong>for \u5faa\u73af\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3};\nfor (int number : numbers) {\n    \/\/ \u5904\u7406\u6bcf\u4e2a\u5143\u7d20\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>fori \u5faa\u73af\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3};\nfor (int i = 0; i &lt; numbers.length; i++) {\n    \/\/ \u5904\u7406\u6bcf\u4e2a\u5143\u7d20\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u6570\u7ec4\u590d\u5236<\/strong><\/p>\n<ul>\n<li>System.arraycopy(src, srcPos, dest, destPos, length)\uff1a\u4ece\u6e90\u6570\u7ec4\u590d\u5236\u6307\u5b9a\u8303\u56f4\u7684\u5143\u7d20\u5230\u76ee\u6807\u6570\u7ec4<\/li>\n<\/ul>\n<p><strong>5. \u6570\u7ec4\u6392\u5e8f<\/strong><\/p>\n<ul>\n<li>Arrays.sort(array)\uff1a\u5bf9\u6570\u7ec4\u8fdb\u884c\u5347\u5e8f\u6392\u5e8f<\/li>\n<\/ul>\n<p><strong>6. \u6570\u7ec4\u641c\u7d22<\/strong><\/p>\n<ul>\n<li>Arrays.binarySearch(array, key)\uff1a\u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u5728\u6570\u7ec4\u4e2d\u641c\u7d22\u6307\u5b9a\u5143\u7d20<\/li>\n<\/ul>\n<p><strong>7. \u6570\u7ec4\u64cd\u4f5c\u5de5\u5177\u65b9\u6cd5<\/strong><\/p>\n<ul>\n<li>Arrays.toString(array)\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f<\/li>\n<li>Arrays.equals(array1, array2)\uff1a\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49<\/li>\n<li>Arrays.fill(array, value)\uff1a\u7528\u6307\u5b9a\u503c\u586b\u5145\u6570\u7ec4<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u6709\u54ea\u4e9b\u65b9\u6cd5\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>java \u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u65b9\u6cd5\u5305\u62ec\uff1a\u521b\u5efa\u5e76\u521d\u59cb\u5316\u8bbf\u95ee\u5143\u7d20\u548c\u83b7\u53d6\u957f\u5ea6\u904d\u5386\u6570\u7ec4\u590d\u5236\u6570\u7ec4\u6392\u5e8f\u6570\u7ec4\u641c\u7d22\u6570\u7ec4\u6570\u7ec4\u64cd\u4f5c\u5de5\u5177\u65b9\u6cd5 Java \u4e2d\u5bf9\u6570\u7ec4\u7684\u64cd\u4f5c\u65b9\u6cd5 Java \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u7ec4\u64cd\u4f5c\u65b9\u6cd5\uff0c\u7528\u4e8e\u5904\u7406\u6570\u7ec4\u5143\u7d20\u3001\u83b7\u53d6\u6570\u7ec4\u4fe1\u606f\u7b49\u3002\u4e3b\u8981\u65b9\u6cd5\u5982\u4e0b\uff1a 1. \u6570\u7ec4\u521b\u5efa new int[] {1, 2, 3}\uff1a\u521b\u5efa\u5e76\u521d\u59cb\u5316 int \u7c7b\u578b\u6570\u7ec4 new String[] {&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;}\uff1a\u521b\u5efa\u5e76\u521d\u59cb\u5316 String \u7c7b\u578b\u6570\u7ec4 2. \u6570\u7ec4\u8bbf\u95ee \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b array[index]\uff1a\u83b7\u53d6\u6307\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20 array.length\uff1a\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6 3. \u6570\u7ec4\u904d\u5386 for \u5faa\u73af\uff1a int[] numbers = {1, 2, 3}; for (int number : numbers) { \/\/ \u5904\u7406\u6bcf\u4e2a\u5143\u7d20 } \u767b\u5f55\u540e\u590d\u5236 fori \u5faa\u73af\uff1a int[] numbers = {1, 2, 3}; [&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-65204","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65204","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=65204"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65204\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}