{"id":36703,"date":"2024-11-26T14:33:44","date_gmt":"2024-11-26T06:33:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36703\/"},"modified":"2024-11-26T14:33:44","modified_gmt":"2024-11-26T06:33:44","slug":"java%e6%80%8e%e4%b9%88%e8%ae%be%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36703\/","title":{"rendered":"java\u600e\u4e48\u8bbe\u6570\u7ec4"},"content":{"rendered":"

\n \u5982\u4f55\u4f7f\u7528 java \u8bbe\u7f6e\u6570\u7ec4\uff1f\u5728 java \u4e2d\u8bbe\u7f6e\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7c7b\u578b\u548c\u5927\u5c0f\uff0c\u8bed\u6cd5\u4e3a\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f];\u3002\u53ef\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u6216 for-each \u5faa\u73af\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8bbe\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u8bbe\u7f6e\u6570\u7ec4<\/strong><\/p>\n

Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u7684\u6709\u5e8f\u96c6\u5408\u3002\u8981\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7c7b\u578b\u548c\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u5728 Java \u4e2d\u8bbe\u7f6e\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u6574\u578b\u6570\u7ec4\uff1a<\/strong><\/p>\n
int[] numbers = new int[5];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\uff1a<\/strong><\/p>\n
String[] names = new String[3];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/p>\n
    \n
  •  \u6570\u7ec4\u7d22\u5f15\uff1a<\/strong>\u4f7f\u7528\u65b9\u62ec\u53f7 []\uff0c\u5176\u4e2d\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/li>\n
  •  for-each \u5faa\u73af\uff1a<\/strong>\u904d\u5386\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/p>\n
    numbers[0] = 10;\nSystem.out.println(numbers[0]); \/\/ \u8f93\u51fa\uff1a10<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4f7f\u7528 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a<\/strong><\/p>\n
    for (int num : numbers) {\n  System.out.println(num);\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u6570\u7ec4\u5927\u5c0f\u5728\u521b\u5efa\u540e\u662f\u4e0d\u53ef\u66f4\u6539\u7684\u3002<\/li>\n
    • \u5982\u679c\u5c1d\u8bd5\u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u5143\u7d20\uff0c\u5c06\u4f1a\u629b\u51fa\u6570\u7ec4\u8d8a\u754c\u5f02\u5e38\uff08IndexOutOfBoundsException\uff09\u3002<\/li>\n
    • \u4f7f\u7528 for-each \u5faa\u73af\u65f6\uff0c\u4e0d\u80fd\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8bbe\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":"
      \u5982\u4f55\u4f7f\u7528 java \u8bbe\u7f6e\u6570\u7ec4\uff1f\u5728 java \u4e2d\u8bbe\u7f6e\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7c7b\u578b\u548c\u5927\u5c0f\uff0c\u8bed\u6cd5\u4e3a\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f];\u3002\u53ef\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u6216 for-each \u5faa\u73af\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u4f7f\u7528 Java \u8bbe\u7f6e\u6570\u7ec4 Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u7684\u6709\u5e8f\u96c6\u5408\u3002\u8981\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff0c\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7c7b\u578b\u548c\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u5728 Java \u4e2d\u8bbe\u7f6e\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a \u8bed\u6cd5\uff1a \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f]; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6574\u578b\u6570\u7ec4\uff1a int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \uff1a String[] names = new String[3]; \u767b\u5f55\u540e\u590d\u5236 \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a \u6570\u7ec4\u7d22\u5f15\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7 []\uff0c\u5176\u4e2d\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002 for-each \u5faa\u73af\uff1a\u904d\u5386\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a numbers[0] = 10; System.out.println(numbers[0]); […]<\/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-36703","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36703","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=36703"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36703\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}