{"id":66282,"date":"2025-05-03T12:02:21","date_gmt":"2025-05-03T04:02:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66282\/"},"modified":"2025-05-03T12:02:21","modified_gmt":"2025-05-03T04:02:21","slug":"java%e5%ae%9a%e4%b9%89%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6%e6%80%8e%e4%b9%88%e5%8a%9e-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66282\/","title":{"rendered":"java\u5b9a\u4e49\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u529e"},"content":{"rendered":"

\n java \u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521b\u5efa\u540e\u4e0d\u53ef\u66f4\u6539\uff0c\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9a\u4e49\uff1a1. \u58f0\u660e\u6570\u7ec4\uff08datatype[] arrayname\uff09\uff1b2. \u521d\u59cb\u5316\u6570\u7ec4\uff08arrayname = new datatype[length]\uff09\uff0c\u5176\u4e2d length \u4e3a\u975e\u8d1f\u6574\u6570\u3002\u793a\u4f8b\uff1a\u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u6570\u6570\u7ec4\uff1aint[] numbers = new int[5];\u3002\n<\/p><\/blockquote>\n

\"java\u5b9a\u4e49\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u529e\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5b9a\u4e49 Java \u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n

Java \u6570\u7ec4\u662f\u4e00\u79cd\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5b58\u50a8\u5728\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u4e2d\u3002\u8981\u5b9a\u4e49\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

1. \u58f0\u660e\u6570\u7ec4<\/strong><\/p>\n

\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u58f0\u660e\u6570\u7ec4\uff1a<\/p>\n

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

dataType[] arrayName;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • dataType \u662f\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982\uff0cint\u3001String\uff09\u3002<\/li>\n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n
    2. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n
    \u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521d\u59cb\u5316\u6570\u7ec4\uff1a<\/p>\n
    arrayName = new dataType[length];<\/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
    • dataType \u662f\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
    • length \u662f\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/li>\n<\/ul>\n
      \u793a\u4f8b<\/strong><\/p>\n
      \u4f8b\u5982\uff0c\u8981\u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u6570\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
      int[] numbers = new int[5];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
        \n
      • Java \u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521b\u5efa\u540e\u662f\u4e0d\u53ef\u53d8\u7684\u3002<\/li>\n
      • \u6570\u7ec4\u7684\u957f\u5ea6\u5fc5\u987b\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002<\/li>\n
      • Java \u6570\u7ec4\u7684\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u5230\u957f\u5ea6\u51cf\u4e00\u7ed3\u675f\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u5b9a\u4e49\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u529e\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 \u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521b\u5efa\u540e\u4e0d\u53ef\u66f4\u6539\uff0c\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9a\u4e49\uff1a1. \u58f0\u660e\u6570\u7ec4\uff08datatype[] arrayname\uff09\uff1b2. \u521d\u59cb\u5316\u6570\u7ec4\uff08arrayname = new datatype[length]\uff09\uff0c\u5176\u4e2d length \u4e3a\u975e\u8d1f\u6574\u6570\u3002\u793a\u4f8b\uff1a\u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u6570\u6570\u7ec4\uff1aint[] numbers = new int[5];\u3002 \u5982\u4f55\u5b9a\u4e49 Java \u6570\u7ec4\u7684\u957f\u5ea6 Java \u6570\u7ec4\u662f\u4e00\u79cd\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5b58\u50a8\u5728\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u4e2d\u3002\u8981\u5b9a\u4e49\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u58f0\u660e\u6570\u7ec4 \u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u58f0\u660e\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b dataType[] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a dataType \u662f\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982\uff0cint\u3001String\uff09\u3002 arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 2. \u521d\u59cb\u5316\u6570\u7ec4 \u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521d\u59cb\u5316\u6570\u7ec4\uff1a arrayName = new dataType[length]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 dataType \u662f\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u7c7b\u578b\u3002 length \u662f\u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u793a\u4f8b \u4f8b\u5982\uff0c\u8981\u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u6570\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a int[] numbers = […]<\/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-66282","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66282","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=66282"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66282\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}