{"id":66169,"date":"2025-05-03T17:39:42","date_gmt":"2025-05-03T09:39:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66169\/"},"modified":"2025-05-03T17:39:42","modified_gmt":"2025-05-03T09:39:42","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aastring%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66169\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2astring\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5728 java \u4e2d\u5b9a\u4e49\u4e00\u4e2a string \u6570\u7ec4\uff0c\u4f7f\u7528\u8bed\u6cd5 &#8220;string[] arrayname;&#8221;\u3002\u7136\u540e\u4f7f\u7528 &#8220;new string[size]&#8221; \u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5176\u4e2d &#8220;size&#8221; \u662f\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u4f7f\u7528 &#8220;arrayname[index]&#8221; \u8bbf\u95ee\u5143\u7d20\uff0c\u5e76\u901a\u8fc7 &#8220;arrayname[index] = value;&#8221; \u8d4b\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111502571780772.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2astring\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2astring\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49 String \u6570\u7ec4<\/strong><\/p>\n<p>\u4e3a\u4e86\u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a String \u6570\u7ec4\uff0c\u4f60\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>String[] arrayName;<\/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>String \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a names \u7684 String \u6570\u7ec4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] names;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u521d\u59cb\u5316 String \u6570\u7ec4<\/strong><\/p>\n<p>\u5728\u5b9a\u4e49\u6570\u7ec4\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u6765\u521d\u59cb\u5316\u5b83\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>arrayName = new String[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff08\u5373\u8981\u5305\u542b\u7684\u5143\u7d20\u6570\u91cf\uff09\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5143\u7d20\u7684 String \u6570\u7ec4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>names = new String[3];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>arrayName[index]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>index \u662f\u5143\u7d20\u7684\u7d22\u5f15\uff08\u4ece 0 \u5f00\u59cb\uff09\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee names \u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>System.out.println(names[0]);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8d4b\u4e88\u6570\u7ec4\u5143\u7d20\u503c<\/strong><\/p>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8d4b\u4e88\u6570\u7ec4\u5143\u7d20\u503c\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>arrayName[index] = value;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>index \u662f\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/li>\n<li>value \u662f\u8981\u8d4b\u4e88\u7684 String \u503c\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u5c06 names \u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a &#8220;John&#8221;\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>names[0] = \"John\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2astring\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>\u8981\u5728 java \u4e2d\u5b9a\u4e49\u4e00\u4e2a string \u6570\u7ec4\uff0c\u4f7f\u7528\u8bed\u6cd5 &#8220;string[] arrayname;&#8221;\u3002\u7136\u540e\u4f7f\u7528 &#8220;new string[size]&#8221; \u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5176\u4e2d &#8220;size&#8221; \u662f\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u4f7f\u7528 &#8220;arrayname[index]&#8221; \u8bbf\u95ee\u5143\u7d20\uff0c\u5e76\u901a\u8fc7 &#8220;arrayname[index] = value;&#8221; \u8d4b\u503c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49 String \u6570\u7ec4 \u4e3a\u4e86\u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a String \u6570\u7ec4\uff0c\u4f60\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a String[] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 String \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002 \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a names \u7684 String \u6570\u7ec4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] names; \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316 String \u6570\u7ec4 \u5728\u5b9a\u4e49\u6570\u7ec4\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u6765\u521d\u59cb\u5316\u5b83\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a arrayName = new String[size]; [&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-66169","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66169","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=66169"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66169\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}