{"id":37941,"date":"2024-11-26T10:36:48","date_gmt":"2024-11-26T02:36:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37941\/"},"modified":"2024-11-26T10:36:48","modified_gmt":"2024-11-26T02:36:48","slug":"java%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%9d%e5%a7%8b%e5%8c%96","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37941\/","title":{"rendered":"java\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316"},"content":{"rendered":"<blockquote><p>\n  java\u5bf9\u8c61\u6570\u7ec4\u53ef\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\uff1a1. \u4f7f\u7528\u5e26\u6709\u521d\u59cb\u503c\u7684\u65b0\u5efa\u64cd\u4f5c\u7b26\uff1b2. \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\uff0c\u8fd9\u7b49\u540c\u4e8e\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u5e26\u6709\u521d\u59cb\u503c\u3002\u521d\u59cb\u5316\u65f6\u9700\u8981\u6ce8\u610f\uff1a\u5143\u7d20\u7c7b\u578b\u5fc5\u987b\u76f8\u540c\uff0c\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u65f6\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u6570\u7ec4\u5b57\u9762\u91cf\u65f6\u5927\u5c0f\u7531\u5143\u7d20\u6570\u91cf\u786e\u5b9a\u3002\u672a\u6307\u5b9a\u521d\u59cb\u503c\u65f6\uff0c\u5143\u7d20\u5c06\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\uff08\u5bf9\u8c61\u7c7b\u578b\u4e3anull\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111313313824376.jpg\" class=\"aligncenter\" title=\"java\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" alt=\"java\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u5bf9\u8c61\u6570\u7ec4\u7684\u521d\u59cb\u5316<\/strong><\/p>\n<p>Java\u4e2d\uff0c\u5bf9\u8c61\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\u8fdb\u884c\u521d\u59cb\u5316\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u5e26\u6709\u521d\u59cb\u503c\u7684\u65b0\u5efa\u64cd\u4f5c\u7b26<\/strong><\/p>\n<pre>int[] numbers = new int[]{1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u5728\u6570\u7ec4\u521b\u5efa\u8fc7\u7a0b\u4e2d\u6307\u5b9a\u521d\u59cb\u503c\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6570\u7ec4\u5b57\u9762\u91cf\u662f\u5b9a\u4e49\u6570\u7ec4\u7684\u7b80\u5199\u5f62\u5f0f\uff0c\u7b49\u540c\u4e8e\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u5e26\u6709\u521d\u59cb\u503c\u3002<\/p>\n<p><strong>\u521d\u59cb\u5316\u7684\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u8c61\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u5fc5\u987b\u662f\u540c\u4e00\u4e2a\u7c7b\u578b\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u65f6\uff0c\u6570\u7ec4\u5927\u5c0f\u7531\u5143\u7d20\u6570\u91cf\u786e\u5b9a\u3002<\/li>\n<li>\u5982\u679c\u4e0d\u6307\u5b9a\u521d\u59cb\u503c\uff0c\u6570\u7ec4\u5143\u7d20\u5c06\u521d\u59cb\u5316\u4e3a\u8be5\u7c7b\u578b\u7684\u9ed8\u8ba4\u503c\uff08\u5bf9\u4e8e\u5bf9\u8c61\u7c7b\u578b\u4e3anull\uff09\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u521d\u59cb\u5316\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u6570\u7ec4\uff1a<\/p>\n<pre>String[] names = new String[]{\"John\", \"Mary\", \"Bob\"};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u521d\u59cb\u5316\u4e00\u4e2a\u5927\u5c0f\u4e3a10\u7684\u6574\u6570\u5bf9\u8c61\u6570\u7ec4\uff1a<\/p>\n<pre>Integer[] numbers = new Integer[10];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5176\u4ed6\u63d0\u793a\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u662f\u5176\u4ed6\u6570\u7ec4\uff0c\u4ece\u800c\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\u3002<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528Arrays.fill()\u65b9\u6cd5\u5c06\u6570\u7ec4\u5143\u7d20\u5168\u90e8\u521d\u59cb\u5316\u4e3a\u6307\u5b9a\u503c\u3002<\/li>\n<li>\u6570\u7ec4\u5927\u5c0f\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u521d\u59cb\u5316\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\u5bf9\u8c61\u6570\u7ec4\u53ef\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\uff1a1. \u4f7f\u7528\u5e26\u6709\u521d\u59cb\u503c\u7684\u65b0\u5efa\u64cd\u4f5c\u7b26\uff1b2. \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\uff0c\u8fd9\u7b49\u540c\u4e8e\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u5e26\u6709\u521d\u59cb\u503c\u3002\u521d\u59cb\u5316\u65f6\u9700\u8981\u6ce8\u610f\uff1a\u5143\u7d20\u7c7b\u578b\u5fc5\u987b\u76f8\u540c\uff0c\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u65f6\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u6570\u7ec4\u5b57\u9762\u91cf\u65f6\u5927\u5c0f\u7531\u5143\u7d20\u6570\u91cf\u786e\u5b9a\u3002\u672a\u6307\u5b9a\u521d\u59cb\u503c\u65f6\uff0c\u5143\u7d20\u5c06\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\uff08\u5bf9\u8c61\u7c7b\u578b\u4e3anull\uff09\u3002 Java\u5bf9\u8c61\u6570\u7ec4\u7684\u521d\u59cb\u5316 Java\u4e2d\uff0c\u5bf9\u8c61\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u4e3b\u8981\u65b9\u5f0f\u8fdb\u884c\u521d\u59cb\u5316\uff1a 1. \u4f7f\u7528\u5e26\u6709\u521d\u59cb\u503c\u7684\u65b0\u5efa\u64cd\u4f5c\u7b26 int[] numbers = new int[]{1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u5728\u6570\u7ec4\u521b\u5efa\u8fc7\u7a0b\u4e2d\u6307\u5b9a\u521d\u59cb\u503c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u5b57\u9762\u91cf\u662f\u5b9a\u4e49\u6570\u7ec4\u7684\u7b80\u5199\u5f62\u5f0f\uff0c\u7b49\u540c\u4e8e\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u5e26\u6709\u521d\u59cb\u503c\u3002 \u521d\u59cb\u5316\u7684\u6ce8\u610f\u4e8b\u9879\uff1a \u5bf9\u8c61\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u5fc5\u987b\u662f\u540c\u4e00\u4e2a\u7c7b\u578b\u7684\u5bf9\u8c61\u3002 \u5728\u4f7f\u7528\u65b0\u5efa\u64cd\u4f5c\u7b26\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\u3002 \u5728\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u65f6\uff0c\u6570\u7ec4\u5927\u5c0f\u7531\u5143\u7d20\u6570\u91cf\u786e\u5b9a\u3002 \u5982\u679c\u4e0d\u6307\u5b9a\u521d\u59cb\u503c\uff0c\u6570\u7ec4\u5143\u7d20\u5c06\u521d\u59cb\u5316\u4e3a\u8be5\u7c7b\u578b\u7684\u9ed8\u8ba4\u503c\uff08\u5bf9\u4e8e\u5bf9\u8c61\u7c7b\u578b\u4e3anull\uff09\u3002 \u793a\u4f8b\uff1a \u521d\u59cb\u5316\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u6570\u7ec4\uff1a String[] names = new String[]{&#8220;John&#8221;, &#8220;Mary&#8221;, &#8220;Bob&#8221;}; \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316\u4e00\u4e2a\u5927\u5c0f\u4e3a10\u7684\u6574\u6570\u5bf9\u8c61\u6570\u7ec4\uff1a Integer[] numbers = new Integer[10]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4ed6\u63d0\u793a\uff1a \u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u662f\u5176\u4ed6\u6570\u7ec4\uff0c\u4ece\u800c\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\u3002 [&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-37941","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37941","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=37941"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37941\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}