{"id":37576,"date":"2024-11-26T15:03:13","date_gmt":"2024-11-26T07:03:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37576\/"},"modified":"2024-11-26T15:03:13","modified_gmt":"2024-11-26T07:03:13","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%88%9b%e5%bb%ba%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37576\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u9700\u8981\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\uff0c\u5e76\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u6216\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316\u6570\u7ec4\u3002\u9996\u5148\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\uff0c\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u540d\u79f0\uff1b\u7136\u540e\u901a\u8fc7\u6570\u7ec4\u5b57\u9762\u91cf\u521d\u59cb\u5316\u6570\u7ec4\u6216\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u5e76\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff1b\u6700\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111307242543782.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u53d8\u91cf\uff0c\u7528\u4e8e\u5b58\u50a8\u6570\u7ec4\u5143\u7d20\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>dataType[] arrayName;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>dataType \u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982\uff1aint\u3001String\u3001double\uff09\u3002<\/li>\n<li>arrayName \u6307\u5b9a\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n<p><strong>2. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n<p>\u58f0\u660e\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\u6570\u7ec4\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf<\/strong><\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u7684\u540c\u6642\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6784\u9020\u51fd\u6570<\/strong><\/li>\n<\/ul>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7\u6784\u9020\u51fd\u6570\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/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\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u5e76\u521d\u59cb\u5316\u6574\u578b\u6570\u7ec4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>int[] numbers = new int[5];\nnumbers[0] = 1;\nnumbers[1] = 2;\nnumbers[2] = 3;\nnumbers[3] = 4;\nnumbers[4] = 5;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>System.out.println(numbers[2]); \/\/ \u8f93\u51fa 3<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\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>\u5728 java \u4e2d\uff0c\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u9700\u8981\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\uff0c\u5e76\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u6216\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316\u6570\u7ec4\u3002\u9996\u5148\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\uff0c\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u548c\u540d\u79f0\uff1b\u7136\u540e\u901a\u8fc7\u6570\u7ec4\u5b57\u9762\u91cf\u521d\u59cb\u5316\u6570\u7ec4\u6216\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u5e76\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff1b\u6700\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002 Java \u4e2d\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61 \u5728 Java \u4e2d\uff0c\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a 1. \u58f0\u660e\u6570\u7ec4 \u9996\u5148\uff0c\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u53d8\u91cf\uff0c\u7528\u4e8e\u5b58\u50a8\u6570\u7ec4\u5143\u7d20\u3002\u5176\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b dataType[] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a dataType \u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982\uff1aint\u3001String\u3001double\uff09\u3002 arrayName \u6307\u5b9a\u6570\u7ec4\u7684\u540d\u79f0\u3002 2. \u521d\u59cb\u5316\u6570\u7ec4 \u58f0\u660e\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\u6570\u7ec4\uff1a \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf \u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u7684\u540c\u6642\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u6784\u9020\u51fd\u6570 \u4e5f\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7\u6784\u9020\u51fd\u6570\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u5982\u4e0b\u6240\u793a\uff1a int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 3. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002 \u793a\u4f8b \u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u5e76\u521d\u59cb\u5316\u6574\u578b\u6570\u7ec4\u7684\u793a\u4f8b\uff1a int[] [&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-37576","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37576","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=37576"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37576\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}