{"id":67060,"date":"2025-05-03T15:55:23","date_gmt":"2025-05-03T07:55:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67060\/"},"modified":"2025-05-03T15:55:23","modified_gmt":"2025-05-03T07:55:23","slug":"%e5%9c%a8java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67060\/","title":{"rendered":"\u5728java\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u4f7f\u7528 string[] \u58f0\u660e\u548c\u521d\u59cb\u5316\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5143\u7d20\u4ee5\u9017\u53f7\u5206\u9694\u5e76\u5305\u542b\u5728\u82b1\u62ec\u53f7\u4e2d\uff0c\u5982 string[] names = { “john”, “mary”, “bob” }\u3002\u8bbf\u95ee\u5143\u7d20\u65f6\u4f7f\u7528 arrayname[index] \u8bed\u6cd5\uff0c\u4fee\u6539\u5143\u7d20\u65f6\u5c06\u65b0\u503c\u5206\u914d\u7ed9 arrayname[index]\u3002\n<\/p><\/blockquote>\n

\"\u5728java\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49<\/strong><\/p>\n

\u5f00\u95e8\u89c1\u5c71\uff1a<\/strong>
\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 String[] \u58f0\u660e\u548c\u521d\u59cb\u5316\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n

\u8be6\u7ec6\u5c55\u5f00\uff1a<\/strong><\/p>\n

\u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

String[] arrayName = { \"element1\", \"element2\", ... };<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • \u82b1\u62ec\u53f7 {} \u5305\u542b\u8981\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u3002<\/li>\n
  • \u5143\u7d20\u4e4b\u95f4\u7528\u9017\u53f7 \uff0c \u5206\u9694\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a names \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a<\/p>\n
    String[] names = { \"John\", \"Mary\", \"Bob\" };<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/p>\n
    \u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
    arrayName[index]<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • index \u662f\u8981\u8bbf\u95ee\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      \u83b7\u53d6 names \u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n
      String firstName = names[0];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4fee\u6539\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/p>\n
      \u53ef\u4ee5\u901a\u8fc7\u5c06\u65b0\u503c\u5206\u914d\u7ed9\u6570\u7ec4\u5143\u7d20\u6765\u4fee\u6539\u5b83\uff1a<\/p>\n
      arrayName[index] = newValue;<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      \u4fee\u6539 names \u6570\u7ec4\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff1a<\/p>\n
      names[1] = \"Jane\";<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
        \n
      • \u5b57\u7b26\u4e32\u6570\u7ec4\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\uff0c\u521b\u5efa\u540e\u4e0d\u53ef\u91cd\u65b0\u5206\u914d\u3002<\/li>\n
      • \u6570\u7ec4\u5143\u7d20\u521d\u59cb\u5316\u65f6\u5fc5\u987b\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u3002<\/li>\n
      • \u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u4e3a null\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662f\u5728java\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5728 java \u4e2d\uff0c\u4f7f\u7528 string[] \u58f0\u660e\u548c\u521d\u59cb\u5316\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5143\u7d20\u4ee5\u9017\u53f7\u5206\u9694\u5e76\u5305\u542b\u5728\u82b1\u62ec\u53f7\u4e2d\uff0c\u5982 string[] names = { “john”, “mary”, “bob” }\u3002\u8bbf\u95ee\u5143\u7d20\u65f6\u4f7f\u7528 arrayname[index] \u8bed\u6cd5\uff0c\u4fee\u6539\u5143\u7d20\u65f6\u5c06\u65b0\u503c\u5206\u914d\u7ed9 arrayname[index]\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49 \u5f00\u95e8\u89c1\u5c71\uff1a\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 String[] \u58f0\u660e\u548c\u521d\u59cb\u5316\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002 \u8be6\u7ec6\u5c55\u5f00\uff1a \u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] arrayName = { “element1”, “element2”, … }; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 \u82b1\u62ec\u53f7 {} \u5305\u542b\u8981\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u3002 \u5143\u7d20\u4e4b\u95f4\u7528\u9017\u53f7 \uff0c \u5206\u9694\u3002 \u793a\u4f8b\uff1a \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a names \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a String[] names = { “John”, “Mary”, […]<\/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-67060","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67060","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=67060"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67060\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}