{"id":65353,"date":"2025-05-03T15:35:37","date_gmt":"2025-05-03T07:35:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65353\/"},"modified":"2025-05-03T15:35:37","modified_gmt":"2025-05-03T07:35:37","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89string%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65353\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49string\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5b9a\u4e49 string \u6570\u7ec4\u7684\u8bed\u6cd5\u4e3a\uff1astring[] arrayname = new string[size]\uff0c\u5176\u4e2d arrayname \u4e3a\u6570\u7ec4\u540d\uff0csize \u4e3a\u5143\u7d20\u6570\u91cf\u3002\u6570\u7ec4\u5143\u7d20\u53ef\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u548c\u8d4b\u503c\uff0c\u6570\u7ec4\u957f\u5ea6\u53ef\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111221392221077.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5b9a\u4e49string\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5b9a\u4e49string\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49 String \u6570\u7ec4\uff1f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u5b9a\u4e49 String \u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>String[] arrayName = new String[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li>new \u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u65b0\u7684\u6570\u7ec4\u5bf9\u8c61\u3002<\/li>\n<li>String \u662f\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/li>\n<li>size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684 String \u6570\u7ec4\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] names = new String[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u8d4b\u503c<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u548c\u8d4b\u503c\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n<pre>\/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\nString element = names[index];\n\n\/\/ \u8d4b\u503c\u6570\u7ec4\u5143\u7d20\nnames[index] = \"newName\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>index \u662f\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\uff0c\u4ece 0 \u5f00\u59cb\u3002<\/li>\n<li>element \u662f\u8bbf\u95ee\u5230\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 length \u5c5e\u6027\u83b7\u5f97\u6570\u7ec4\u7684\u957f\u5ea6\uff1a<\/p>\n<pre>int length = names.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49string\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>java \u4e2d\u5b9a\u4e49 string \u6570\u7ec4\u7684\u8bed\u6cd5\u4e3a\uff1astring[] arrayname = new string[size]\uff0c\u5176\u4e2d arrayname \u4e3a\u6570\u7ec4\u540d\uff0csize \u4e3a\u5143\u7d20\u6570\u91cf\u3002\u6570\u7ec4\u5143\u7d20\u53ef\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u548c\u8d4b\u503c\uff0c\u6570\u7ec4\u957f\u5ea6\u53ef\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49 String \u6570\u7ec4\uff1f \u5728 Java \u4e2d\u5b9a\u4e49 String \u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a String[] arrayName = new String[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 new \u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u65b0\u7684\u6570\u7ec4\u5bf9\u8c61\u3002 String \u662f\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\u3002 size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684 String \u6570\u7ec4\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] names = new String[5]; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u8d4b\u503c \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u548c\u8d4b\u503c\u6570\u7ec4\u5143\u7d20\uff1a \/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 String [&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-65353","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65353","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=65353"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65353\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}