{"id":66854,"date":"2025-05-03T14:37:03","date_gmt":"2025-05-03T06:37:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66854\/"},"modified":"2025-05-03T14:37:03","modified_gmt":"2025-05-03T06:37:03","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%b1%bb%e5%9e%8b%e7%9a%84%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66854\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4\uff1a\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u4e3a\u5b57\u7b26\u4e32\uff1astring[]\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff1asize\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4<\/strong><\/p>\n

\u5982\u4f55\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4\uff1f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4\uff1a<\/p>\n

String[] stringArray = new String[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \n
  •  stringArray<\/strong> \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  •  size<\/strong> \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n
    \u8bed\u6cd5\u89e3\u91ca\uff1a<\/strong><\/p>\n
      \n
    •  String[]<\/strong> \u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u4e3a\u5b57\u7b26\u4e32\u3002<\/li>\n
    •  new<\/strong> \u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u3002<\/li>\n
    •  size<\/strong> \u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5373\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u6570\u91cf\u3002<\/li>\n<\/ul>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      String[] names = new String[5];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a names<\/strong> \u7684\u6570\u7ec4\uff0c\u5b83\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n
      \u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\uff1a<\/strong><\/p>\n
      \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8303\u56f4\u4e3a 0 \u5230\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002<\/p>\n
      names[0] = \"John\";\nnames[1] = \"Mary\";<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6570\u7ec4\u957f\u5ea6\uff1a<\/strong><\/p>\n
      \u53ef\u4ee5\u4f7f\u7528 length<\/strong> \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/p>\n
      int arrayLength = names.length;<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8fd9\u5c06\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff0c\u5728\u672c\u4f8b\u4e2d\u4e3a 5\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\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":"
      java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4\uff1a\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u4e3a\u5b57\u7b26\u4e32\uff1astring[]\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff1asize\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6 Java \u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4 \u5982\u4f55\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4\uff1a String[] stringArray = new String[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b stringArray \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u8bed\u6cd5\u89e3\u91ca\uff1a String[] \u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u4e3a\u5b57\u7b26\u4e32\u3002 new \u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u3002 size \u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5373\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u6570\u91cf\u3002 \u793a\u4f8b\uff1a String[] names = new String[5]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a names \u7684\u6570\u7ec4\uff0c\u5b83\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a\u5b57\u7b26\u4e32\u3002 \u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\uff1a \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8303\u56f4\u4e3a 0 \u5230\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002 names[0] = “John”; names[1] = […]<\/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-66854","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66854","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=66854"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66854\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}