{"id":37657,"date":"2024-11-26T08:33:02","date_gmt":"2024-11-26T00:33:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37657\/"},"modified":"2024-11-26T08:33:02","modified_gmt":"2024-11-26T00:33:02","slug":"java%e4%b8%80%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37657\/","title":{"rendered":"java\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u7528"},"content":{"rendered":"<blockquote><p>\n  java\u4e00\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u5143\u7d20\u7684\u7ebf\u6027\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u7531\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u7ec4\u6210\uff0c\u4ee5\u5355\u4e2a\u4e0b\u6807\u6807\u8bc6\u3002\u8981\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u6570\u7ec4\u5927\u5c0f\uff0c\u4f8b\u5982\uff1aint[] arr = new int[5];\u3002\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u548c\u66f4\u65b0\u5143\u7d20\uff0c\u5e76\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u6b64\u5916\uff0cjava\u63d0\u4f9b\u4e86\u6570\u7ec4\u64cd\u4f5c\u7684\u5404\u79cd\u65b9\u6cd5\uff0c\u4f8b\u5982\u6392\u5e8f\u3001\u4e8c\u5206\u641c\u7d22\u3001\u590d\u5236\u548c\u586b\u5145\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111308302531358.jpg\" class=\"aligncenter\" title=\"java\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u7528\u63d2\u56fe\" alt=\"java\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e00\u7ef4\u6570\u7ec4\u7684\u4f7f\u7528<\/strong><\/p>\n<p><strong>\u4ec0\u4e48\u662fJava\u4e00\u7ef4\u6570\u7ec4\uff1f<\/strong><br \/>Java\u4e00\u7ef4\u6570\u7ec4\u662f\u6307\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u7684\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u3002\u5b83\u662f\u4e00\u7ec4\u4ee5\u5355\u4e2a\u4e0b\u6807\u6807\u8bc6\u7684\u8fde\u7eed\u5185\u5b58\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u5982\u4f55\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff1f<\/strong><br \/>\u8981\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u6570\u7ec4\u5927\u5c0f\uff1a<\/p>\n<pre>int[] arr = new int[5];  \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u6570\u5143\u7d20\u7684\u6570\u7ec4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5982\u4f55\u8bbf\u95ee\u548c\u66f4\u65b0\u5143\u7d20\uff1f<\/strong><br \/>\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u548c\u66f4\u65b0\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>arr[0] = 10;  \/\/ \u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\u8bbe\u7f6e\u4e3a10\nint value = arr[2];  \/\/ \u68c0\u7d22\u7b2c\u4e09\u4e2a\u5143\u7d20\u7684\u503c<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u904d\u5386\u4e00\u7ef4\u6570\u7ec4<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u6216foreach\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff1a<\/p>\n<pre>\/\/ \u4f7f\u7528for\u5faa\u73af\nfor (int i = 0; i &lt; arr.length; i++) {\n    System.out.println(arr[i]);\n}\n\n\/\/ \u4f7f\u7528foreach\u5faa\u73af\nfor (int element : arr) {\n    System.out.println(element);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u957f\u5ea6<\/strong><br \/>\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7length\u5c5e\u6027\u8bbf\u95ee\uff1a<\/p>\n<pre>int arrayLength = arr.length;  \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u64cd\u4f5c<\/strong><br \/>Java\u63d0\u4f9b\u4e86\u8bb8\u591a\u5bf9\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\u7684\u6709\u7528\u65b9\u6cd5\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>Arrays.sort()\uff1a<\/strong>\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<li> <strong>Arrays.binarySearch()\uff1a<\/strong>\u5728\u6392\u5e8f\u6570\u7ec4\u4e2d\u67e5\u627e\u5143\u7d20\u3002<\/li>\n<li> <strong>Arrays.copyOf()\uff1a<\/strong>\u521b\u5efa\u6570\u7ec4\u7684\u4e00\u4e2a\u526f\u672c\u3002<\/li>\n<li> <strong>Arrays.fill()\uff1a<\/strong>\u7528\u6307\u5b9a\u503c\u586b\u5145\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e00\u7ef4\u6570\u7ec4\u600e\u4e48\u7528\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>java\u4e00\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u5143\u7d20\u7684\u7ebf\u6027\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u7531\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u7ec4\u6210\uff0c\u4ee5\u5355\u4e2a\u4e0b\u6807\u6807\u8bc6\u3002\u8981\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u6570\u7ec4\u5927\u5c0f\uff0c\u4f8b\u5982\uff1aint[] arr = new int[5];\u3002\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u548c\u66f4\u65b0\u5143\u7d20\uff0c\u5e76\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u6b64\u5916\uff0cjava\u63d0\u4f9b\u4e86\u6570\u7ec4\u64cd\u4f5c\u7684\u5404\u79cd\u65b9\u6cd5\uff0c\u4f8b\u5982\u6392\u5e8f\u3001\u4e8c\u5206\u641c\u7d22\u3001\u590d\u5236\u548c\u586b\u5145\u3002 Java\u4e00\u7ef4\u6570\u7ec4\u7684\u4f7f\u7528 \u4ec0\u4e48\u662fJava\u4e00\u7ef4\u6570\u7ec4\uff1fJava\u4e00\u7ef4\u6570\u7ec4\u662f\u6307\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u7684\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u3002\u5b83\u662f\u4e00\u7ec4\u4ee5\u5355\u4e2a\u4e0b\u6807\u6807\u8bc6\u7684\u8fde\u7eed\u5185\u5b58\u4f4d\u7f6e\u3002 \u5982\u4f55\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff1f\u8981\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u6570\u7ec4\u5927\u5c0f\uff1a int[] arr = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u6570\u5143\u7d20\u7684\u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 \u5982\u4f55\u8bbf\u95ee\u548c\u66f4\u65b0\u5143\u7d20\uff1f\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u548c\u66f4\u65b0\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b arr[0] = 10; \/\/ \u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\u8bbe\u7f6e\u4e3a10 int value = arr[2]; \/\/ \u68c0\u7d22\u7b2c\u4e09\u4e2a\u5143\u7d20\u7684\u503c \u767b\u5f55\u540e\u590d\u5236 \u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u6216foreach\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff1a \/\/ \u4f7f\u7528for\u5faa\u73af for (int i = 0; i &lt; arr.length; i++) { System.out.println(arr[i]); } \/\/ \u4f7f\u7528foreach\u5faa\u73af for (int element : arr) { System.out.println(element); } [&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-37657","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37657","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=37657"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37657\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}