{"id":37619,"date":"2024-11-26T16:58:13","date_gmt":"2024-11-26T08:58:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37619\/"},"modified":"2024-11-26T16:58:13","modified_gmt":"2024-11-26T08:58:13","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37619\/","title":{"rendered":"java+\u600e\u4e48\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\uff0c\u8bed\u6cd5\u4e3a\uff1a\u7c7b\u578b[] \u6570\u7ec4\u540d\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff1aint[] numbers; \u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff1astring[] names\u3002\n<\/p><\/blockquote>\n

\"java+\u600e\u4e48\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n

\u5982\u4f55\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\uff1f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u6765\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\u3002\u6570\u7ec4\u53d8\u91cf\u58f0\u660e\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

\u7c7b\u578b[] \u6570\u7ec4\u540d;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
int[] numbers;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8981\u5b9a\u4e49\u4e00\u4e2a\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n
String[] names;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n
    \n
  •  \u7c7b\u578b\uff1a<\/strong>\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/li>\n
  •  \u6570\u7ec4\u540d\uff1a<\/strong>\u6570\u7ec4\u53d8\u91cf\u7684\u540d\u79f0\u3002<\/li>\n
  •  \u65b9\u62ec\u53f7 []\uff1a<\/strong>\u6307\u793a\u8fd9\u662f\u4e00\u4e2a\u6570\u7ec4\u53d8\u91cf\u3002<\/li>\n<\/ul>\n
    \u4f7f\u7528\u5bf9\u8c61\u6570\u7ec4\uff1a<\/strong><\/p>\n
    \u4e00\u65e6\u5b9a\u4e49\u4e86\u5bf9\u8c61\u6570\u7ec4\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5b58\u50a8\u5bf9\u8c61\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u4e09\u4e2a\u5b57\u7b26\u4e32\u5b58\u50a8\u5230\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n
    String[] names = {\"John\", \"Mary\", \"Bob\"};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u4f8b\u5982\uff0c\u8981\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n
    System.out.println(names[0]); \/\/ \u8f93\u51fa\uff1aJohn<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
      \n
    • \u5bf9\u8c61\u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u5e76\u4e14\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n
    • \u5982\u679c\u672a\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5219\u5176\u5143\u7d20\u5c06\u9ed8\u8ba4\u4e3a null\u3002<\/li>\n
    • \u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u7d22\u5f15\u4f1a\u5bfc\u81f4\u6570\u7ec4\u8d8a\u754c\u5f02\u5e38\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava+\u600e\u4e48\u5b9a\u4e49\u5bf9\u8c61\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":"
      \u5728 java \u4e2d\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\uff0c\u8bed\u6cd5\u4e3a\uff1a\u7c7b\u578b[] \u6570\u7ec4\u540d\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff1aint[] numbers; \u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff1astring[] names\u3002 Java \u4e2d\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4 \u5982\u4f55\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u6765\u5b9a\u4e49\u5bf9\u8c61\u6570\u7ec4\u3002\u6570\u7ec4\u53d8\u91cf\u58f0\u660e\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a \u7c7b\u578b[] \u6570\u7ec4\u540d; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers; \u767b\u5f55\u540e\u590d\u5236 \u8981\u5b9a\u4e49\u4e00\u4e2a\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a String[] names; \u767b\u5f55\u540e\u590d\u5236 \u8be6\u7ec6\u89e3\u91ca\uff1a \u7c7b\u578b\uff1a\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\u3002 \u6570\u7ec4\u540d\uff1a\u6570\u7ec4\u53d8\u91cf\u7684\u540d\u79f0\u3002 \u65b9\u62ec\u53f7 []\uff1a\u6307\u793a\u8fd9\u662f\u4e00\u4e2a\u6570\u7ec4\u53d8\u91cf\u3002 \u4f7f\u7528\u5bf9\u8c61\u6570\u7ec4\uff1a \u4e00\u65e6\u5b9a\u4e49\u4e86\u5bf9\u8c61\u6570\u7ec4\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5b58\u50a8\u5bf9\u8c61\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u4e09\u4e2a\u5b57\u7b26\u4e32\u5b58\u50a8\u5230\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a String[] names = {“John”, “Mary”, “Bob”}; \u767b\u5f55\u540e\u590d\u5236 \u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u4f8b\u5982\uff0c\u8981\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a System.out.println(names[0]); \/\/ \u8f93\u51fa\uff1aJohn \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\u4e8b\u9879\uff1a \u5bf9\u8c61\u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u5e76\u4e14\u4e0d\u80fd\u66f4\u6539\u3002 \u5982\u679c\u672a\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u5219\u5176\u5143\u7d20\u5c06\u9ed8\u8ba4\u4e3a null\u3002 \u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u7d22\u5f15\u4f1a\u5bfc\u81f4\u6570\u7ec4\u8d8a\u754c\u5f02\u5e38\u3002 […]<\/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-37619","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37619","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=37619"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37619\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}