{"id":65843,"date":"2025-05-03T09:49:07","date_gmt":"2025-05-03T01:49:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65843\/"},"modified":"2025-05-03T09:49:07","modified_gmt":"2025-05-03T01:49:07","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e6%8d%ae%e5%ad%98%e8%bf%9b%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65843\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u636e\u5b58\u8fdb\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u58f0\u660e\u6570\u7ec4\uff0c\u4f8b\u5982\uff1aint[] numbers;\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u58f0\u660e\u4e2d\u7684\u503c\u6216 new \u5173\u952e\u5b57\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c\uff0c\u4f8b\u5982\uff1aint firstelement = numbers[0];\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c\uff0c\u4f8b\u5982\uff1anumbers[2] = 10;\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111312302091693.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u636e\u5b58\u8fdb\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u636e\u5b58\u8fdb\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u5b58\u50a8\u6570\u636e\u7c7b\u578b\u76f8\u540c\u7684\u6570\u636e\u5143\u7d20\u5e8f\u5217\u3002\u8981\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\uff0c\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u58f0\u660e\u4e2d\u7684\u503c\u6216\u901a\u8fc7 new \u5173\u952e\u5b57\u4e3a\u6570\u7ec4\u5206\u914d\u5185\u5b58\u3002<\/p>\n<p><strong>\u4f7f\u7528\u6570\u7ec4\u58f0\u660e\u4e2d\u7684\u503c\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 new \u5173\u952e\u5b57\uff1a<\/strong><\/p>\n<pre>int[] numbers = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 ([]) \u548c\u7d22\u5f15\u503c\u6765\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u7d22\u5f15\u503c\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<pre>int firstElement = numbers[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u5b58\u50a8\u6570\u636e<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u5143\u7d20\u4e2d\u3002<\/p>\n<pre>numbers[2] = 10;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>\/\/ \u58f0\u660e\u6570\u7ec4\nint[] numbers = new int[5];\n\n\/\/ \u5b58\u50a8\u6570\u636e\nnumbers[0] = 5;\nnumbers[1] = 10;\nnumbers[2] = 15;\nnumbers[3] = 20;\nnumbers[4] = 25;\n\n\/\/ \u8bbf\u95ee\u6570\u636e\nSystem.out.println(numbers[2]); \/\/ \u8f93\u51fa 15<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u636e\u5b58\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\uff0c\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u58f0\u660e\u6570\u7ec4\uff0c\u4f8b\u5982\uff1aint[] numbers;\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u58f0\u660e\u4e2d\u7684\u503c\u6216 new \u5173\u952e\u5b57\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c\uff0c\u4f8b\u5982\uff1aint firstelement = numbers[0];\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u7d22\u5f15\u503c\uff0c\u4f8b\u5982\uff1anumbers[2] = 10; Java \u4e2d\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4 \u65b9\u6cd5 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6765\u5b58\u50a8\u6570\u636e\u7c7b\u578b\u76f8\u540c\u7684\u6570\u636e\u5143\u7d20\u5e8f\u5217\u3002\u8981\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\uff0c\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u58f0\u660e\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a int[] numbers; \u767b\u5f55\u540e\u590d\u5236 2. \u521d\u59cb\u5316\u6570\u7ec4 \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u58f0\u660e\u4e2d\u7684\u503c\u6216\u901a\u8fc7 new \u5173\u952e\u5b57\u4e3a\u6570\u7ec4\u5206\u914d\u5185\u5b58\u3002 \u4f7f\u7528\u6570\u7ec4\u58f0\u660e\u4e2d\u7684\u503c\uff1a int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 new \u5173\u952e\u5b57\uff1a int[] numbers = [&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-65843","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65843","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=65843"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65843\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}