{"id":66230,"date":"2025-05-03T13:42:21","date_gmt":"2025-05-03T05:42:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66230\/"},"modified":"2025-05-03T13:42:21","modified_gmt":"2025-05-03T05:42:21","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66230\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u7528\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u4f7f\u7528\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u521b\u5efa\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a\u4f7f\u7528 string[] arrayname = new string[size] \u8bed\u6cd5\u521b\u5efa\u6570\u7ec4\u3002\u7ed9\u6570\u7ec4\u8d4b\u503c\uff1a\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 [] \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 [] \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u904d\u5386\u6570\u7ec4\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002\u5e38\u7528\u64cd\u4f5c\uff1a\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u5143\u7d20\u6570\u91cf\uff0c\u4f7f\u7528 clone() \u65b9\u6cd5\u590d\u5236\u6570\u7ec4\uff0c\u4f7f\u7528 sort() \u65b9\u6cd5\u5bf9\u5143\u7d20\u6392\u5e8f\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u7528\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u5b57\u7b26\u4e32\u6570\u7ec4\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u4e00\u7cfb\u5217\u5b57\u7b26\u4e32\u3002\u5b83\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u5728\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002<\/p>\n

\u521b\u5efa\u5b57\u7b26\u4e32\u6570\u7ec4<\/strong><\/p>\n

\u8981\u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

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

String[] arrayName = new String[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • arrayName \u662f\u4f60\u60f3\u7ed9\u6570\u7ec4\u8d77\u7684\u540d\u5b57\u3002<\/li>\n
  • size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b 3 \u4e2a\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
    String[] names = new String[3];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u7ed9\u5b57\u7b26\u4e32\u6570\u7ec4\u8d4b\u503c<\/strong><\/p>\n
    \u8981\u7ed9\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 []\uff1a<\/p>\n
    names[0] = \"John\";\nnames[1] = \"Mary\";\nnames[2] = \"Bob\";<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
    \u8981\u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 []\uff1a<\/p>\n
    System.out.println(names[0]); \/\/ \u8f93\u51fa \"John\"<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u904d\u5386\u5b57\u7b26\u4e32\u6570\u7ec4<\/strong><\/p>\n
    \u8981\u904d\u5386\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\uff1a<\/p>\n
    for (String name : names) {\n  System.out.println(name);\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5b57\u7b26\u4e32\u6570\u7ec4\u5e38\u89c1\u64cd\u4f5c<\/strong><\/p>\n
    \u9664\u4e86\u521b\u5efa\u548c\u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u5143\u7d20\u4e4b\u5916\uff0cJava \u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u64cd\u4f5c\uff1a<\/p>\n
      \n
    •  length \u5c5e\u6027\uff1a<\/strong>\u8fd4\u56de\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n
    •  clone() \u65b9\u6cd5\uff1a<\/strong>\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7684\u526f\u672c\u3002<\/li>\n
    •  sort() \u65b9\u6cd5\uff1a<\/strong>\u5bf9\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u7528\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\u4f7f\u7528\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u521b\u5efa\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a\u4f7f\u7528 string[] arrayname = new string[size] \u8bed\u6cd5\u521b\u5efa\u6570\u7ec4\u3002\u7ed9\u6570\u7ec4\u8d4b\u503c\uff1a\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 [] \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 [] \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u904d\u5386\u6570\u7ec4\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002\u5e38\u7528\u64cd\u4f5c\uff1a\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u5143\u7d20\u6570\u91cf\uff0c\u4f7f\u7528 clone() \u65b9\u6cd5\u590d\u5236\u6570\u7ec4\uff0c\u4f7f\u7528 sort() \u65b9\u6cd5\u5bf9\u5143\u7d20\u6392\u5e8f\u3002 \u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528 \u5728 Java \u4e2d\uff0c\u5b57\u7b26\u4e32\u6570\u7ec4\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u4e00\u7cfb\u5217\u5b57\u7b26\u4e32\u3002\u5b83\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u5728\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002 \u521b\u5efa\u5b57\u7b26\u4e32\u6570\u7ec4 \u8981\u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] arrayName = new String[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u4f60\u60f3\u7ed9\u6570\u7ec4\u8d77\u7684\u540d\u5b57\u3002 size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b 3 \u4e2a\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a String[] names = new String[3]; \u767b\u5f55\u540e\u590d\u5236 \u7ed9\u5b57\u7b26\u4e32\u6570\u7ec4\u8d4b\u503c \u8981\u7ed9\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 []\uff1a names[0] = “John”; […]<\/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-66230","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66230","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=66230"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66230\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}