{"id":38074,"date":"2024-11-26T16:35:10","date_gmt":"2024-11-26T08:35:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38074\/"},"modified":"2024-11-26T16:35:10","modified_gmt":"2024-11-26T08:35:10","slug":"java%e4%b8%ad%e7%94%a8%e6%95%b0%e7%bb%84%e5%ad%98%e6%95%b0%e6%80%8e%e4%b9%88%e5%86%99","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38074\/","title":{"rendered":"java\u4e2d\u7528\u6570\u7ec4\u5b58\u6570\u600e\u4e48\u5199"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u7684\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u58f0\u660e\u65f6\u9700\u6307\u5b9a\u5143\u7d20\u7c7b\u578b\u548c\u5927\u5c0f\uff0c\u53ef\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff0c\u5e76\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002\u591a\u7ef4\u6570\u7ec4\u4e5f\u53d7\u652f\u6301\uff0c\u5982\u4e8c\u7ef4\u6570\u7ec4\u53ef\u8868\u793a\u77e9\u9635\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111316310553004.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u7528\u6570\u7ec4\u5b58\u6570\u600e\u4e48\u5199\u63d2\u56fe\" alt=\"java\u4e2d\u7528\u6570\u7ec4\u5b58\u6570\u600e\u4e48\u5199\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u4f7f\u7528\u6570\u7ec4\u5b58\u50a8\u6570\u636e<\/strong><\/p>\n<p>Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u5176\u5143\u7d20\u7c7b\u578b\u548c\u5927\u5c0f\u3002<\/p>\n<p><strong>\u6570\u7ec4\u7684\u58f0\u660e\u548c\u521d\u59cb\u5316<\/strong><\/p>\n<p>\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a numbers \u7684 int \u578b\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b 5 \u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u4f7f\u7528\u8d4b\u503c\u64cd\u4f5c\u7b26\u8bbe\u7f6e\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>numbers[0] = 10;\nnumbers[1] = 20;\n...<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/p>\n<p>\u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\uff1a<\/p>\n<pre>int firstElement = numbers[0];\nSystem.out.println(firstElement); \/\/ \u8f93\u51fa\uff1a10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff1a<\/p>\n<pre>int length = numbers.length; \/\/ \u8f93\u51fa\uff1a5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u7684\u904d\u5386<\/strong><\/p>\n<p>\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]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>Java \u4e5f\u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u4f8b\u5982\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] matrix = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4 int \u578b\u6570\u7ec4\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u7528\u6570\u7ec4\u5b58\u6570\u600e\u4e48\u5199\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 \u4e2d\u7684\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u58f0\u660e\u65f6\u9700\u6307\u5b9a\u5143\u7d20\u7c7b\u578b\u548c\u5927\u5c0f\uff0c\u53ef\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff0c\u5e76\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002\u591a\u7ef4\u6570\u7ec4\u4e5f\u53d7\u652f\u6301\uff0c\u5982\u4e8c\u7ef4\u6570\u7ec4\u53ef\u8868\u793a\u77e9\u9635\u3002 Java\u4e2d\u4f7f\u7528\u6570\u7ec4\u5b58\u50a8\u6570\u636e Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u5176\u5143\u7d20\u7c7b\u578b\u548c\u5927\u5c0f\u3002 \u6570\u7ec4\u7684\u58f0\u660e\u548c\u521d\u59cb\u5316 \u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f]; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a numbers \u7684 int \u578b\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b 5 \u4e2a\u5143\u7d20\u3002 \u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5143\u7d20 \u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u4f7f\u7528\u8d4b\u503c\u64cd\u4f5c\u7b26\u8bbe\u7f6e\u503c\u3002\u4f8b\u5982\uff1a numbers[0] = 10; numbers[1] = 20; &#8230; \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 \u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\uff1a int firstElement = numbers[0]; System.out.println(firstElement); \/\/ \u8f93\u51fa\uff1a10 \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u7684\u957f\u5ea6 \u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff1a int [&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-38074","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38074","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=38074"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38074\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}