{"id":35402,"date":"2024-11-26T10:52:30","date_gmt":"2024-11-26T02:52:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35402\/"},"modified":"2024-11-26T10:52:30","modified_gmt":"2024-11-26T02:52:30","slug":"java%e6%80%8e%e4%b9%88%e8%87%aa%e5%b7%b1%e5%88%9b%e9%80%a0%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35402\/","title":{"rendered":"java\u600e\u4e48\u81ea\u5df1\u521b\u9020\u4e00\u4e2a\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5728 java \u4e2d\u521b\u5efa\u6570\u7ec4\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u3002\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u5206\u914d\u6570\u7ec4\u5927\u5c0f\u3002\u4f7f\u7528\u7d22\u5f15\u53f7\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110402185054101.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u81ea\u5df1\u521b\u9020\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u81ea\u5df1\u521b\u9020\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n<p>Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5141\u8bb8\u60a8\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u3002\u8981\u521b\u5efa\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u58f0\u660e\u6570\u7ec4\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u58f0\u660e\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arrayName;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u5206\u914d\u6570\u7ec4\u5927\u5c0f<\/strong><\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u9700\u8981\u5206\u914d\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u4f7f\u7528 new \u8fd0\u7b97\u7b26\uff0c\u60a8\u53ef\u4ee5\u4e3a\u6570\u7ec4\u5206\u914d\u4e00\u4e2a\u6307\u5b9a\u5927\u5c0f\uff1a<\/p>\n<pre>arrayName = new int[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d size \u662f\u60a8\u5e0c\u671b\u6570\u7ec4\u5305\u542b\u7684\u5143\u7d20\u6570\u91cf\u3002<\/p>\n<p><strong>3. \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u53f7\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u8981\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>arrayName[index] = value;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d index \u662f\u5143\u7d20\u7684\u7d22\u5f15\uff0cvalue \u662f\u60a8\u8981\u5b58\u50a8\u7684\u503c\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u521b\u5efa\u548c\u521d\u59cb\u5316 int \u6570\u7ec4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>int[] numbers = new int[5];\nnumbers[0] = 10;\nnumbers[1] = 20;\nnumbers[2] = 30;\nnumbers[3] = 40;\nnumbers[4] = 50;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u8bbf\u95ee\u5143\u7d20\u5e76\u4f7f\u7528\u6570\u7ec4\u540d\u79f0\u548c\u7d22\u5f15\u53f7\uff1a<\/p>\n<pre>System.out.println(numbers[2]); \/\/ \u8f93\u51fa\uff1a30<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u81ea\u5df1\u521b\u9020\u4e00\u4e2a\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>\u8981\u5728 java \u4e2d\u521b\u5efa\u6570\u7ec4\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u3002\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u5206\u914d\u6570\u7ec4\u5927\u5c0f\u3002\u4f7f\u7528\u7d22\u5f15\u53f7\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u5728 Java \u4e2d\u521b\u5efa\u6570\u7ec4 Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5141\u8bb8\u60a8\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u3002\u8981\u521b\u5efa\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b \u9996\u5148\uff0c\u60a8\u9700\u8981\u58f0\u660e\u6570\u7ec4\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u58f0\u660e\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arrayName; \u767b\u5f55\u540e\u590d\u5236 2. \u5206\u914d\u6570\u7ec4\u5927\u5c0f \u63a5\u4e0b\u6765\uff0c\u60a8\u9700\u8981\u5206\u914d\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u4f7f\u7528 new \u8fd0\u7b97\u7b26\uff0c\u60a8\u53ef\u4ee5\u4e3a\u6570\u7ec4\u5206\u914d\u4e00\u4e2a\u6307\u5b9a\u5927\u5c0f\uff1a arrayName = new int[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d size \u662f\u60a8\u5e0c\u671b\u6570\u7ec4\u5305\u542b\u7684\u5143\u7d20\u6570\u91cf\u3002 3. \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20 \u60a8\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u53f7\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u8981\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a arrayName[index] = value; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d index \u662f\u5143\u7d20\u7684\u7d22\u5f15\uff0cvalue \u662f\u60a8\u8981\u5b58\u50a8\u7684\u503c\u3002 \u793a\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u521b\u5efa\u548c\u521d\u59cb\u5316 int \u6570\u7ec4\u7684\u793a\u4f8b\uff1a int[] numbers = new int[5]; numbers[0] = 10; [&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-35402","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35402","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=35402"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35402\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}