{"id":66710,"date":"2025-05-03T16:15:07","date_gmt":"2025-05-03T08:15:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66710\/"},"modified":"2025-05-03T16:15:07","modified_gmt":"2025-05-03T08:15:07","slug":"java%e9%87%8c%e9%9d%a2%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%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\/66710\/","title":{"rendered":"Java\u91cc\u9762\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u5b9a\u4e49\u6570\u7ec4\uff1astring[] arrayname = new string[size]\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\u6216\u82b1\u62ec\u53f7\u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1a\u4f7f\u7528 length \u5c5e\u6027\n<\/p><\/blockquote>\n

\"Java\u91cc\u9762\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java\u4e2d\u5b9a\u4e49<\/strong><\/p>\n

\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a<\/p>\n

String[] arrayName = new String[size];<\/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
  • size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    String[] names = new String[3];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u521d\u59cb\u5316<\/strong><\/p>\n
    \u5b9a\u4e49\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u5c06\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u5b57\u7b26\u4e32\u503c\uff1a<\/p>\n
    names[0] = \"John\";\nnames[1] = \"Mary\";\nnames[2] = \"Bob\";<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6216\u8005\uff0c\u53ef\u4ee5\u4f7f\u7528\u82b1\u62ec\u53f7\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
    String[] names = {\"John\", \"Mary\", \"Bob\"};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u5143\u7d20<\/strong><\/p>\n
    \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
    String firstElement = names[0]; \/\/ \u8f93\u51fa \"John\"<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n
    \u53ef\u4ee5\u4f7f\u7528 length \u5c5e\u6027\u6765\u83b7\u53d6\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u957f\u5ea6\uff1a<\/p>\n
    int length = names.length; \/\/ \u8f93\u51fa 3<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fJava\u91cc\u9762\u600e\u4e48\u5b9a\u4e49\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\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u5b9a\u4e49\u6570\u7ec4\uff1astring[] arrayname = new string[size]\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\u6216\u82b1\u62ec\u53f7\u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1a\u4f7f\u7528 length \u5c5e\u6027 Java\u4e2d\u5b9a\u4e49 \u5728Java\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a String[] arrayName = new String[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] names = new String[3]; \u767b\u5f55\u540e\u590d\u5236 \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u521d\u59cb\u5316 \u5b9a\u4e49\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u5c06\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u5b57\u7b26\u4e32\u503c\uff1a names[0] = “John”; names[1] = “Mary”; names[2] = “Bob”; \u767b\u5f55\u540e\u590d\u5236 \u6216\u8005\uff0c\u53ef\u4ee5\u4f7f\u7528\u82b1\u62ec\u53f7\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a String[] names = {“John”, “Mary”, “Bob”}; \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a String […]<\/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-66710","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66710","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=66710"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66710\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}