{"id":36675,"date":"2024-11-26T15:40:07","date_gmt":"2024-11-26T07:40:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36675\/"},"modified":"2024-11-26T15:40:07","modified_gmt":"2024-11-26T07:40:07","slug":"%e6%80%8e%e4%b9%88%e8%ae%be%e7%bd%aejava%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36675\/","title":{"rendered":"\u600e\u4e48\u8bbe\u7f6ejava\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u662f\u4e00\u79cd\u50a8\u5b58\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u96c6\u5408\u7684\u6570\u636e\u7ed3\u6784\uff0c\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u6570\u7ec4\u7684\u58f0\u660e\u5305\u62ec\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u540d\u79f0\uff0c\u540e\u8ddf\u65b9\u62ec\u53f7\uff1b\u5927\u5c0f\u5206\u914d\u4f7f\u7528 new \u5173\u952e\u5b57\uff1b\u8bbe\u7f6e\u5143\u7d20\u548c\u8bbf\u95ee\u5143\u7d20\u5747\u4f7f\u7528\u7d22\u5f15\uff1b\u6570\u7ec4\u957f\u5ea6\u53ef\u901a\u8fc7 length \u5c5e\u6027\u83b7\u5f97\uff1b\u904d\u5386\u5143\u7d20\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111213394036654.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u8bbe\u7f6ejava\u6570\u7ec4\u63d2\u56fe\" alt=\"\u600e\u4e48\u8bbe\u7f6ejava\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<h2>Java \u6570\u7ec4\u8bbe\u7f6e<\/h2>\n<p>Java \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u96c6\u5408\u3002\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/p>\n<h3>\u6570\u7ec4\u7c7b\u578b\u58f0\u660e<\/h3>\n<p>\u8981\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b\u548c\u540d\u79f0\uff0c\u540e\u8ddf\u65b9\u62ec\u53f7 ([])\uff1a<\/p>\n<pre>int[] numbers;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u6570\u7ec4\u5927\u5c0f\u5206\u914d<\/h3>\n<p>\u5728\u58f0\u660e\u6570\u7ec4\u540e\uff0c\u60a8\u9700\u8981\u4f7f\u7528 new \u5173\u952e\u5b57\u5206\u914d\u6570\u7ec4\u5927\u5c0f\uff1a<\/p>\n<pre>numbers = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684 int \u6570\u7ec4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u8bbe\u7f6e\u6570\u7ec4\u5143\u7d20<\/h3>\n<p>\u5206\u914d\u6570\u7ec4\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbe\u7f6e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>numbers[0] = 1;\nnumbers[1] = 2;\nnumbers[2] = 3;\nnumbers[3] = 4;\nnumbers[4] = 5;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/h3>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<pre>int firstElement = numbers[0]; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20 (\u503c\u4e3a 1)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u6570\u7ec4\u957f\u5ea6<\/h3>\n<p>\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u5f97\uff1a<\/p>\n<pre>int arrayLength = numbers.length; \/\/ \u5c06\u8fd4\u56de 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u6570\u7ec4\u904d\u5386<\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<pre>for (int i = 0; i &lt; numbers.length; i++) {\n    System.out.println(numbers[i]); \/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u8bbe\u7f6ejava\u6570\u7ec4\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 \u6570\u7ec4\u662f\u4e00\u79cd\u50a8\u5b58\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u96c6\u5408\u7684\u6570\u636e\u7ed3\u6784\uff0c\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u6570\u7ec4\u7684\u58f0\u660e\u5305\u62ec\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u540d\u79f0\uff0c\u540e\u8ddf\u65b9\u62ec\u53f7\uff1b\u5927\u5c0f\u5206\u914d\u4f7f\u7528 new \u5173\u952e\u5b57\uff1b\u8bbe\u7f6e\u5143\u7d20\u548c\u8bbf\u95ee\u5143\u7d20\u5747\u4f7f\u7528\u7d22\u5f15\uff1b\u6570\u7ec4\u957f\u5ea6\u53ef\u901a\u8fc7 length \u5c5e\u6027\u83b7\u5f97\uff1b\u904d\u5386\u5143\u7d20\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u3002 Java \u6570\u7ec4\u8bbe\u7f6e Java \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u96c6\u5408\u3002\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002 \u6570\u7ec4\u7c7b\u578b\u58f0\u660e \u8981\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b\u548c\u540d\u79f0\uff0c\u540e\u8ddf\u65b9\u62ec\u53f7 ([])\uff1a int[] numbers; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u5927\u5c0f\u5206\u914d \u5728\u58f0\u660e\u6570\u7ec4\u540e\uff0c\u60a8\u9700\u8981\u4f7f\u7528 new \u5173\u952e\u5b57\u5206\u914d\u6570\u7ec4\u5927\u5c0f\uff1a numbers = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684 int \u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 \u8bbe\u7f6e\u6570\u7ec4\u5143\u7d20 \u5206\u914d\u6570\u7ec4\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbe\u7f6e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b numbers[0] = 1; numbers[1] = 2; numbers[2] = 3; numbers[3] = 4; numbers[4] = 5; [&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-36675","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36675","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=36675"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36675\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}