{"id":65178,"date":"2025-05-03T15:32:07","date_gmt":"2025-05-03T07:32:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65178\/"},"modified":"2025-05-03T15:32:07","modified_gmt":"2025-05-03T07:32:07","slug":"java%e6%95%b0%e7%bb%84%e6%ad%a5%e9%aa%a4%e6%9c%89%e5%93%aa%e4%ba%9b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65178\/","title":{"rendered":"java\u6570\u7ec4\u6b65\u9aa4\u6709\u54ea\u4e9b"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u521b\u5efa\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff08\u4f8b\u5982\uff0cint[] numbers;\uff09\u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b\u5e76\u6307\u5b9a\u5927\u5c0f\uff08\u4f8b\u5982\uff0cnumbers = new int[5];\uff09\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff08\u4f8b\u5982\uff0cnumbers[0] = 10;\uff09\u53ef\u901a\u8fc7\u5728\u521b\u5efa\u65f6\u63d0\u4f9b\u5143\u7d20\u503c\u6765\u521d\u59cb\u5316\u6570\u7ec4\uff08\u4f8b\u5982\uff0cint[] numbers = {10, 20, 30, 40, 50};\uff09\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111210151683729.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u6b65\u9aa4\u6709\u54ea\u4e9b\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u6b65\u9aa4\u6709\u54ea\u4e9b\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u521b\u5efa\u6b65\u9aa4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u521b\u5efa\u6570\u7ec4\u9700\u8981\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u58f0\u660e\u6570\u7ec4\u7684\u7c7b\u578b\uff0c\u5373\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b<\/strong><\/p>\n<p>\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b\uff0c\u5e76\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff08\u5373\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>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\u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u65b9\u62ec\u53f7\u4e2d\u7684\u7d22\u5f15\u8868\u793a\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e\uff0c\u4ece 0 \u5f00\u59cb\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>numbers[0] = 10;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u5728\u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b\u65f6\u63d0\u4f9b\u5143\u7d20\u503c\u6765\u521d\u59cb\u5316\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = {10, 20, 30, 40, 50};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u63d0\u793a\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u7684\u5927\u5c0f\u5fc5\u987b\u5728\u521b\u5efa\u65f6\u6307\u5b9a\uff0c\u5e76\u4e14\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n<li>\u6570\u7ec4\u5143\u7d20\u9ed8\u8ba4\u503c\u53d6\u51b3\u4e8e\u5143\u7d20\u7c7b\u578b\u3002\u5bf9\u4e8e int \u7c7b\u578b\uff0c\u9ed8\u8ba4\u503c\u4e3a 0\uff1b\u5bf9\u4e8e boolean \u7c7b\u578b\uff0c\u9ed8\u8ba4\u503c\u4e3a false\u3002<\/li>\n<li>Java \u4e2d\u7684\u6570\u7ec4\u662f\u5bf9\u8c61\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u53d8\u91cf\u6765\u5f15\u7528\u6570\u7ec4\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u6b65\u9aa4\u6709\u54ea\u4e9b\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\u521b\u5efa\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff08\u4f8b\u5982\uff0cint[] numbers;\uff09\u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b\u5e76\u6307\u5b9a\u5927\u5c0f\uff08\u4f8b\u5982\uff0cnumbers = new int[5];\uff09\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff08\u4f8b\u5982\uff0cnumbers[0] = 10;\uff09\u53ef\u901a\u8fc7\u5728\u521b\u5efa\u65f6\u63d0\u4f9b\u5143\u7d20\u503c\u6765\u521d\u59cb\u5316\u6570\u7ec4\uff08\u4f8b\u5982\uff0cint[] numbers = {10, 20, 30, 40, 50};\uff09 Java \u6570\u7ec4\u521b\u5efa\u6b65\u9aa4 \u5728 Java \u4e2d\u521b\u5efa\u6570\u7ec4\u9700\u8981\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b \u9996\u5148\uff0c\u58f0\u660e\u6570\u7ec4\u7684\u7c7b\u578b\uff0c\u5373\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers; \u767b\u5f55\u540e\u590d\u5236 2. \u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b \u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b\uff0c\u5e76\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff08\u5373\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff09\u3002\u4f8b\u5982\uff1a numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 3. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u65b9\u62ec\u53f7\u4e2d\u7684\u7d22\u5f15\u8868\u793a\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e\uff0c\u4ece 0 \u5f00\u59cb\u3002\u4f8b\u5982\uff1a numbers[0] = 10; \u767b\u5f55\u540e\u590d\u5236 4. \u521d\u59cb\u5316\u6570\u7ec4 \u53ef\u4ee5\u901a\u8fc7\u5728\u521b\u5efa\u6570\u7ec4\u5b9e\u4f8b\u65f6\u63d0\u4f9b\u5143\u7d20\u503c\u6765\u521d\u59cb\u5316\u6570\u7ec4\u3002\u4f8b\u5982\uff1a int[] numbers = {10, 20, [&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-65178","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65178","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=65178"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65178\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}