{"id":37431,"date":"2024-11-26T08:38:25","date_gmt":"2024-11-26T00:38:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37431\/"},"modified":"2024-11-26T08:38:25","modified_gmt":"2024-11-26T00:38:25","slug":"java%e6%80%8e%e4%b9%88%e8%ae%be%e7%bd%ae%e4%b8%8d%e5%ae%9a%e9%95%bf%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37431\/","title":{"rendered":"java\u600e\u4e48\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4\uff08\u53ef\u53d8\u957f\u6570\u7ec4\uff09\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff0c\u4f7f\u7528 “…” \u8868\u793a\u53ef\u53d8\u957f\u5ea6\u3002\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u6307\u5b9a\u5b9e\u9645\u957f\u5ea6\u3002\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5373\u53ef\u3002\u6ce8\u610f\uff1a\u4e0d\u5b9a\u957f\u6570\u7ec4\u662f\u5bf9\u8c61\uff0c\u4e00\u65e6\u521b\u5efa\u5219\u957f\u5ea6\u4e0d\u53ef\u53d8\uff0c\u8bbf\u95ee\u8d85\u51fa\u957f\u5ea6\u7684\u7d22\u5f15\u4f1a\u629b\u51fa\u5f02\u5e38\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u8bbe\u7f6e Java \u4e2d\u7684\u4e0d\u5b9a\u957f\u6570\u7ec4\uff1f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u4e0d\u5b9a\u957f\u6570\u7ec4\u4e5f\u88ab\u79f0\u4e3a\u53ef\u53d8\u957f\u6570\u7ec4\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u521b\u5efa\u52a8\u6001\u5927\u5c0f\u7684\u6570\u7ec4\u3002\u8981\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b<\/strong><\/li>\n<\/ol>\n

    \u9996\u5148\uff0c\u6211\u4eec\u58f0\u660e\u4e00\u4e2a\u4e0d\u5b9a\u957f\u6570\u7ec4\u7684\u7c7b\u578b\uff0c\u5176\u4e2d\u4f7f\u7528\u4e09\u4e2a\u70b9 “…” \u8868\u793a\u53ef\u53d8\u957f\u5ea6\u3002<\/p>\n

    int[] myArray;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/li>\n<\/ol>\n
      \u7136\u540e\uff0c\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5b9e\u9645\u957f\u5ea6\uff1a<\/p>\n
      \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
      myArray = new int[5]; \/\/ \u521b\u5efa\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \n
      1. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/li>\n<\/ol>\n
        \u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf\u8bbf\u95ee\u666e\u901a\u6570\u7ec4\u4e00\u6837\u8bbf\u95ee\u4e0d\u5b9a\u957f\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
        myArray[0] = 10; \/\/ \u8bbe\u7f6e\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a 10\nSystem.out.println(myArray[2]); \/\/ \u8f93\u51fa\u7b2c\u4e09\u4e2a\u5143\u7d20<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u6ce8\u610f\uff1a<\/strong><\/p>\n
          \n
        • Java \u4e2d\u7684\u6570\u7ec4\u662f\u5bf9\u8c61\uff0c\u56e0\u6b64\u4e0d\u5b9a\u957f\u6570\u7ec4\u4e5f\u662f\u5bf9\u8c61\u3002<\/li>\n
        • \u4e00\u65e6\u521b\u5efa\u4e0d\u5b9a\u957f\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u5c31\u4e0d\u80fd\u6539\u53d8\u3002<\/li>\n
        • \u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u957f\u5ea6\u7684\u7d22\u5f15\u4f1a\u629b\u51fa IndexOutOfBoundsException \u5f02\u5e38\u3002<\/li>\n<\/ul>\n
          \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          java \u4e2d\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4\uff08\u53ef\u53d8\u957f\u6570\u7ec4\uff09\uff1a\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff0c\u4f7f\u7528 “…” \u8868\u793a\u53ef\u53d8\u957f\u5ea6\u3002\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u6307\u5b9a\u5b9e\u9645\u957f\u5ea6\u3002\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5373\u53ef\u3002\u6ce8\u610f\uff1a\u4e0d\u5b9a\u957f\u6570\u7ec4\u662f\u5bf9\u8c61\uff0c\u4e00\u65e6\u521b\u5efa\u5219\u957f\u5ea6\u4e0d\u53ef\u53d8\uff0c\u8bbf\u95ee\u8d85\u51fa\u957f\u5ea6\u7684\u7d22\u5f15\u4f1a\u629b\u51fa\u5f02\u5e38\u3002 \u5982\u4f55\u8bbe\u7f6e Java \u4e2d\u7684\u4e0d\u5b9a\u957f\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u4e0d\u5b9a\u957f\u6570\u7ec4\u4e5f\u88ab\u79f0\u4e3a\u53ef\u53d8\u957f\u6570\u7ec4\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u521b\u5efa\u52a8\u6001\u5927\u5c0f\u7684\u6570\u7ec4\u3002\u8981\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u58f0\u660e\u6570\u7ec4\u7c7b\u578b \u9996\u5148\uff0c\u6211\u4eec\u58f0\u660e\u4e00\u4e2a\u4e0d\u5b9a\u957f\u6570\u7ec4\u7684\u7c7b\u578b\uff0c\u5176\u4e2d\u4f7f\u7528\u4e09\u4e2a\u70b9 “…” \u8868\u793a\u53ef\u53d8\u957f\u5ea6\u3002 int[] myArray; \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316\u6570\u7ec4 \u7136\u540e\uff0c\u4f7f\u7528 new \u5173\u952e\u5b57\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5b9e\u9645\u957f\u5ea6\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b myArray = new int[5]; \/\/ \u521b\u5efa\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf\u8bbf\u95ee\u666e\u901a\u6570\u7ec4\u4e00\u6837\u8bbf\u95ee\u4e0d\u5b9a\u957f\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a myArray[0] = 10; \/\/ \u8bbe\u7f6e\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a 10 System.out.println(myArray[2]); \/\/ \u8f93\u51fa\u7b2c\u4e09\u4e2a\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\uff1a Java \u4e2d\u7684\u6570\u7ec4\u662f\u5bf9\u8c61\uff0c\u56e0\u6b64\u4e0d\u5b9a\u957f\u6570\u7ec4\u4e5f\u662f\u5bf9\u8c61\u3002 \u4e00\u65e6\u521b\u5efa\u4e0d\u5b9a\u957f\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u5c31\u4e0d\u80fd\u6539\u53d8\u3002 \u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u957f\u5ea6\u7684\u7d22\u5f15\u4f1a\u629b\u51fa IndexOutOfBoundsException \u5f02\u5e38\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8bbe\u7f6e\u4e0d\u5b9a\u957f\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-37431","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37431","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=37431"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37431\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}