{"id":65469,"date":"2025-05-03T11:27:13","date_gmt":"2025-05-03T03:27:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65469\/"},"modified":"2025-05-03T11:27:13","modified_gmt":"2025-05-03T03:27:13","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e6%8d%ae%e6%94%be%e8%bf%9b%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65469\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u636e\u653e\u8fdb\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\u5e76\u5206\u914d\u5927\u5c0f\u3002\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u5206\u914d\u503c\u3002\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u4f7f\u7528\u4e0b\u6807\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u7684\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111301423565664.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u636e\u653e\u8fdb\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u636e\u653e\u8fdb\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u636e\u653e\u8fdb\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5165\u95e8<\/strong><\/p>\n<p>\u6570\u7ec4\u662f\u4e00\u79cd\u5728 Java \u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668\uff0c\u5b83\u53ef\u4ee5\u5bb9\u7eb3\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u591a\u503c\u3002\u8981\u5c06\u6570\u636e\u653e\u8fdb\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u53d8\u91cf\u548c\u4e0b\u6807\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u53d8\u91cf = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\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\u5927\u5c0f\u4e3a 5 \u7684\u6574\u578b\u6570\u7ec4\u3002<\/p>\n<p><strong>\u63d2\u5165\u6570\u636e<\/strong><\/p>\n<p>\u8981\u5c06\u6570\u636e\u653e\u8fdb\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u6765\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u7136\u540e\u5c06\u503c\u5206\u914d\u7ed9\u8be5\u5143\u7d20\u3002<\/p>\n<pre>\u6570\u7ec4\u53d8\u91cf[\u4e0b\u6807] = \u503c;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>numbers[0] = 10;\nnumbers[1] = 20;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n<p>\u904d\u5386\u6570\u7ec4\u7684\u5e38\u89c1\u65b9\u6cd5\u662f\u4f7f\u7528\u5faa\u73af\u3002<\/p>\n<pre>for (int i = 0; i &lt; \u6570\u7ec4\u53d8\u91cf.length; i++) {\n    \/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u6267\u884c\u64cd\u4f5c\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u83b7\u5f97\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u8981\u83b7\u5f97\u6570\u7ec4\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u6765\u8bbf\u95ee\u8be5\u5143\u7d20\u3002<\/p>\n<pre>\u503c = \u6570\u7ec4\u53d8\u91cf[\u4e0b\u6807];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>int number = numbers[0]; \/\/ number \u5c06\u7b49\u4e8e 10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u70b9<\/strong><\/p>\n<ul>\n<li>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u65f6\uff0c\u4e0b\u6807\u5fc5\u987b\u5728 [0, \u6570\u7ec4\u5927\u5c0f-1] \u8303\u56f4\u5185\u3002<\/li>\n<li>\u6570\u7ec4\u7684\u5927\u5c0f\u4e00\u65e6\u521b\u5efa\u5c31\u65e0\u6cd5\u66f4\u6539\u3002<\/li>\n<li>\u5982\u679c\u8981\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 ArrayList \u6216\u5176\u4ed6\u5bb9\u5668\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u636e\u653e\u8fdb\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\u5e76\u5206\u914d\u5927\u5c0f\u3002\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u5206\u914d\u503c\u3002\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u4f7f\u7528\u4e0b\u6807\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u7684\u503c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u636e\u653e\u8fdb\u6570\u7ec4 \u5165\u95e8 \u6570\u7ec4\u662f\u4e00\u79cd\u5728 Java \u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668\uff0c\u5b83\u53ef\u4ee5\u5bb9\u7eb3\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u591a\u503c\u3002\u8981\u5c06\u6570\u636e\u653e\u8fdb\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u53d8\u91cf\u548c\u4e0b\u6807\u3002 \u8bed\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u53d8\u91cf = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\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\u5927\u5c0f\u4e3a 5 \u7684\u6574\u578b\u6570\u7ec4\u3002 \u63d2\u5165\u6570\u636e \u8981\u5c06\u6570\u636e\u653e\u8fdb\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u6765\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u7136\u540e\u5c06\u503c\u5206\u914d\u7ed9\u8be5\u5143\u7d20\u3002 \u6570\u7ec4\u53d8\u91cf[\u4e0b\u6807] = \u503c; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a numbers[0] = 10; numbers[1] = 20; \u767b\u5f55\u540e\u590d\u5236 \u904d\u5386\u6570\u7ec4 \u904d\u5386\u6570\u7ec4\u7684\u5e38\u89c1\u65b9\u6cd5\u662f\u4f7f\u7528\u5faa\u73af\u3002 for (int i = 0; i &lt; \u6570\u7ec4\u53d8\u91cf.length; i++) { \/\/ [&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-65469","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65469","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=65469"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65469\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}