{"id":65286,"date":"2025-05-03T09:58:49","date_gmt":"2025-05-03T01:58:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65286\/"},"modified":"2025-05-03T09:58:49","modified_gmt":"2025-05-03T01:58:49","slug":"java%e7%9a%84%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%86%99-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65286\/","title":{"rendered":"java\u7684\u6570\u7ec4\u600e\u4e48\u5199"},"content":{"rendered":"

\n java\u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u5bf9\u8c61\uff0c\u5305\u542b\u56fa\u5b9a\u5927\u5c0f\u7684\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u96c6\u5408\u3002\u5b83\u5177\u6709length\u5c5e\u6027\uff0c\u8868\u793a\u5143\u7d20\u6570\u91cf\uff0c\u4ee5\u53ca\u6570\u636e\u7c7b\u578b\u5c5e\u6027\uff0c\u8868\u793a\u5143\u7d20\u7c7b\u578b\u3002\u6570\u7ec4\u5143\u7d20\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u53ef\u4ee5\u66f4\u65b0\u548c\u904d\u5386\u3002java\u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u5e76\u63d0\u4f9bclone()\u3001tostring()\u548csort()\u7b49\u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n

\"java\u7684\u6570\u7ec4\u600e\u4e48\u5199\u63d2\u56fe\"<\/p>\n

Java\u4e2d\u7684\u6570\u7ec4<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

Java\u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u5305\u542b\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u5927\u5c0f\u96c6\u5408\u3002<\/p>\n

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

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

<\u6570\u636e\u7c7b\u578b> \u6570\u7ec4\u540d\u79f0[] = {\u5143\u7d20\u5217\u8868};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5c5e\u6027<\/strong><\/p>\n
    \n
  •  length\uff1a<\/strong>\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6570\u91cf\uff0c\u662f\u4e00\u4e2a\u53ea\u8bfb\u5c5e\u6027\u3002<\/li>\n
  •  \u6570\u636e\u7c7b\u578b\uff1a<\/strong>\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/li>\n<\/ul>\n
    \u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n
    \u4ee5\u4e0b\u793a\u4f8b\u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a<\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u7d22\u5f15\u6570\u7ec4<\/strong><\/p>\n
    \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u76f4\u5230length – 1\u3002<\/p>\n
    int firstElement = numbers[0]; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u66f4\u65b0\u6570\u7ec4<\/strong><\/p>\n
    \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u88ab\u66f4\u65b0\uff1a<\/p>\n
    numbers[2] = 10; \/\/ \u66f4\u65b0\u7b2c\u4e09\u4e2a\u5143\u7d20<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u904d\u5386\u6570\u7ec4<\/strong><\/p>\n
    \u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a<\/p>\n
    for (int number : numbers) {\n  System.out.println(number);\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n
    Java\u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u6bcf\u4e2a\u7ef4\u5ea6\u90fd\u5bf9\u5e94\u4e00\u4e2a\u7d22\u5f15\uff1a<\/p>\n
    int[][] matrix = {\n  {1, 2, 3},\n  {4, 5, 6},\n  {7, 8, 9}\n};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6570\u7ec4\u65b9\u6cd5<\/strong><\/p>\n
    Java\u6570\u7ec4\u7c7b\u63d0\u4f9b\u4e86\u51e0\u4e2a\u6709\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n
      \n
    •  clone()\uff1a<\/strong>\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7684\u526f\u672c\u3002<\/li>\n
    •  toString()\uff1a<\/strong>\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8fd4\u56de\u6570\u7ec4\u7684\u5185\u5bb9\u3002<\/li>\n
    •  sort()\uff1a<\/strong>\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n
      \u603b\u7ed3<\/strong><\/p>\n
      \u6570\u7ec4\u662fJava\u4e2d\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u6570\u636e\u96c6\u5408\u7684\u6709\u6548\u65b9\u5f0f\u3002\u5b83\u4eec\u5177\u6709\u56fa\u5b9a\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u548c\u4fee\u6539\u5143\u7d20\u3002\u4f7f\u7528\u6570\u7ec4\u7684\u65b9\u6cd5\u53ef\u4ee5\u7b80\u5316\u6570\u7ec4\u7684\u64cd\u4f5c\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u7684\u6570\u7ec4\u600e\u4e48\u5199\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\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u5bf9\u8c61\uff0c\u5305\u542b\u56fa\u5b9a\u5927\u5c0f\u7684\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u96c6\u5408\u3002\u5b83\u5177\u6709length\u5c5e\u6027\uff0c\u8868\u793a\u5143\u7d20\u6570\u91cf\uff0c\u4ee5\u53ca\u6570\u636e\u7c7b\u578b\u5c5e\u6027\uff0c\u8868\u793a\u5143\u7d20\u7c7b\u578b\u3002\u6570\u7ec4\u5143\u7d20\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u53ef\u4ee5\u66f4\u65b0\u548c\u904d\u5386\u3002java\u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u5e76\u63d0\u4f9bclone()\u3001tostring()\u548csort()\u7b49\u65b9\u6cd5\u3002 Java\u4e2d\u7684\u6570\u7ec4 \u7b80\u4ecb Java\u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u5305\u542b\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u5927\u5c0f\u96c6\u5408\u3002 \u8bed\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b <\u6570\u636e\u7c7b\u578b> \u6570\u7ec4\u540d\u79f0[] = {\u5143\u7d20\u5217\u8868}; \u767b\u5f55\u540e\u590d\u5236 \u5c5e\u6027 length\uff1a\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6570\u91cf\uff0c\u662f\u4e00\u4e2a\u53ea\u8bfb\u5c5e\u6027\u3002 \u6570\u636e\u7c7b\u578b\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002 \u521b\u5efa\u6570\u7ec4 \u4ee5\u4e0b\u793a\u4f8b\u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u7d22\u5f15\u6570\u7ec4 \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u76f4\u5230length – 1\u3002 int firstElement = numbers[0]; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 \u66f4\u65b0\u6570\u7ec4 \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u88ab\u66f4\u65b0\uff1a numbers[2] = 10; \/\/ \u66f4\u65b0\u7b2c\u4e09\u4e2a\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 \u904d\u5386\u6570\u7ec4 \u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a for (int number : numbers) { System.out.println(number); } \u767b\u5f55\u540e\u590d\u5236 […]<\/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-65286","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65286","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=65286"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65286\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}