{"id":37287,"date":"2024-11-26T12:28:06","date_gmt":"2024-11-26T04:28:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37287\/"},"modified":"2024-11-26T12:28:06","modified_gmt":"2024-11-26T04:28:06","slug":"java%e4%b8%ad%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37287\/","title":{"rendered":"java\u4e2d\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49"},"content":{"rendered":"<blockquote><p>\n  java\u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\u662f\u4e00\u7ec4\u5177\u6709\u76f8\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u3002\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a\u7c7b\u578b[] \u6570\u7ec4\u540d;\u521b\u5efa\u6570\u7ec4\uff1a\u6570\u7ec4\u540d = new \u7c7b\u578b[\u5927\u5c0f];\u8bbf\u95ee\u548c\u8bbe\u7f6e\u5143\u7d20\uff1a\u6570\u7ec4\u540d[\u7d22\u5f15]\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111303275438695.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\" alt=\"java\u4e2d\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u5bf9\u8c61\u6570\u7ec4\u7684\u5b9a\u4e49<\/strong><\/p>\n<p>\u5728Java\u4e2d\uff0c\u5bf9\u8c61\u6570\u7ec4\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u4e00\u7cfb\u5217\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u8981\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u58f0\u660e\u8981\u5b9a\u4e49\u7684\u6570\u7ec4\u7c7b\u578b\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\u7c7b\u578b[] \u6570\u7ec4\u540d;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0c\u7c7b\u578b\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u6570\u7ec4\u540d\u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/p>\n<p><strong>2. \u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n<p>\u58f0\u660e\u6570\u7ec4\u540e\uff0c\u9700\u8981\u4f7f\u7528new\u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>\u6570\u7ec4\u540d = new \u7c7b\u578b[\u5927\u5c0f];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0c\u5927\u5c0f\u662f\u8981\u521b\u5efa\u7684\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/p>\n<p><strong>3. \u8bbf\u95ee\u548c\u8bbe\u7f6e\u5143\u7d20<\/strong><\/p>\n<p>\u4e0e\u5176\u4ed6\u6570\u7ec4\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u548c\u8bbe\u7f6e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><strong>\u8bbf\u95ee\u5143\u7d20\uff1a<\/strong><\/p>\n<pre>\u6570\u7ec4\u540d[\u7d22\u5f15];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbe\u7f6e\u5143\u7d20\uff1a<\/strong><\/p>\n<pre>\u6570\u7ec4\u540d[\u7d22\u5f15] = \u5143\u7d20;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9a\u4e49\u548c\u4f7f\u7528\u5bf9\u8c61\u6570\u7ec4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\/\/ \u5b9a\u4e49\u4e00\u4e2aString\u7c7b\u578b\u7684\u6570\u7ec4\nString[] names;\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a5\u7684\u6570\u7ec4\nnames = new String[5];\n\n\/\/ \u8bbf\u95ee\u548c\u8bbe\u7f6e\u6570\u7ec4\u5143\u7d20\nnames[0] = \"John\";\nnames[1] = \"Mary\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6837\u5c31\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b58\u50a8String\u5bf9\u8c61\u7684\u6570\u7ec4\u3002\u6570\u7ec4\u7684\u5927\u5c0f\u4e3a5\uff0c\u5e76\u4e14\u7528\u4e24\u4e2a\u5143\u7d20&#8221;John&#8221;\u548c&#8221;Mary&#8221;\u521d\u59cb\u5316\u4e86\u6570\u7ec4\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\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>java\u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\u662f\u4e00\u7ec4\u5177\u6709\u76f8\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u3002\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a\u7c7b\u578b[] \u6570\u7ec4\u540d;\u521b\u5efa\u6570\u7ec4\uff1a\u6570\u7ec4\u540d = new \u7c7b\u578b[\u5927\u5c0f];\u8bbf\u95ee\u548c\u8bbe\u7f6e\u5143\u7d20\uff1a\u6570\u7ec4\u540d[\u7d22\u5f15]\u3002 Java\u4e2d\u5bf9\u8c61\u6570\u7ec4\u7684\u5b9a\u4e49 \u5728Java\u4e2d\uff0c\u5bf9\u8c61\u6570\u7ec4\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u4e00\u7cfb\u5217\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u8981\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a 1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b \u9996\u5148\uff0c\u58f0\u660e\u8981\u5b9a\u4e49\u7684\u6570\u7ec4\u7c7b\u578b\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u7c7b\u578b[] \u6570\u7ec4\u540d; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c\u7c7b\u578b\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u6570\u7ec4\u540d\u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 2. \u521b\u5efa\u6570\u7ec4 \u58f0\u660e\u6570\u7ec4\u540e\uff0c\u9700\u8981\u4f7f\u7528new\u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u6570\u7ec4\u540d = new \u7c7b\u578b[\u5927\u5c0f]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c\u5927\u5c0f\u662f\u8981\u521b\u5efa\u7684\u6570\u7ec4\u7684\u5927\u5c0f\u3002 3. \u8bbf\u95ee\u548c\u8bbe\u7f6e\u5143\u7d20 \u4e0e\u5176\u4ed6\u6570\u7ec4\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u548c\u8bbe\u7f6e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u8bbf\u95ee\u5143\u7d20\uff1a \u6570\u7ec4\u540d[\u7d22\u5f15]; \u767b\u5f55\u540e\u590d\u5236 \u8bbe\u7f6e\u5143\u7d20\uff1a \u6570\u7ec4\u540d[\u7d22\u5f15] = \u5143\u7d20; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9a\u4e49\u548c\u4f7f\u7528\u5bf9\u8c61\u6570\u7ec4\u7684\u793a\u4f8b\uff1a \/\/ \u5b9a\u4e49\u4e00\u4e2aString\u7c7b\u578b\u7684\u6570\u7ec4 String[] names; \/\/ \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a5\u7684\u6570\u7ec4 names = new String[5]; \/\/ \u8bbf\u95ee\u548c\u8bbe\u7f6e\u6570\u7ec4\u5143\u7d20 names[0] = &#8220;John&#8221;; names[1] = &#8220;Mary&#8221;; [&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-37287","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37287","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=37287"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37287\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}