{"id":38763,"date":"2024-11-26T11:47:03","date_gmt":"2024-11-26T03:47:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38763\/"},"modified":"2024-11-26T11:47:03","modified_gmt":"2024-11-26T03:47:03","slug":"java%e6%95%b0%e7%bb%84%e9%87%8c%e6%9c%89%e6%b1%89%e5%ad%97%e6%80%8e%e4%b9%88%e5%8a%9e","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38763\/","title":{"rendered":"java\u6570\u7ec4\u91cc\u6709\u6c49\u5b57\u600e\u4e48\u529e"},"content":{"rendered":"

\n \u5982\u4f55\u5904\u7406 java \u6570\u7ec4\u4e2d\u7684\u6c49\u5b57\uff1fjava \u6570\u7ec4\u4f7f\u7528 char[] \u5b58\u50a8\u6c49\u5b57\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5904\u7406\uff1a1. \u7f16\u7801\uff1a\u5c06\u6c49\u5b57\u8f6c\u6362\u4e3a unicode \u5b57\u7b26\u4ee3\u7801\uff1b2. \u89e3\u7801\uff1a\u5c06 unicode \u4ee3\u7801\u70b9\u89e3\u7801\u56de\u6c49\u5b57\uff1b3. \u5904\u7406\uff1a\u904d\u5386\u3001\u641c\u7d22\u3001\u6392\u5e8f\u7b49\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n

\"java\u6570\u7ec4\u91cc\u6709\u6c49\u5b57\u600e\u4e48\u529e\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5904\u7406 Java \u6570\u7ec4\u4e2d\u7684\u6c49\u5b57<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong>\u5982\u4f55\u5904\u7406 Java \u6570\u7ec4\u4e2d\u7684\u6c49\u5b57\uff1f<\/p>\n

\u56de\u7b54\uff1a<\/strong><\/p>\n

Java \u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528 char[] \u7c7b\u578b\u5b58\u50a8\u5355\u4e2a\u5b57\u7b26\uff0c\u5305\u62ec\u6c49\u5b57\u3002\u8981\u5904\u7406\u6570\u7ec4\u4e2d\u7684\u6c49\u5b57\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

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

    \n
  1. \n

    \u7f16\u7801\uff1a<\/strong>\u5c06\u6c49\u5b57\u8f6c\u6362\u4e3a Unicode \u5b57\u7b26\u4ee3\u7801\uff0c\u5b58\u50a8\u5728 char[] \u6570\u7ec4\u4e2d\u3002<\/p>\n

      \n
    • Java \u63d0\u4f9b\u4e86 Character.toChars(int codePoint) \u65b9\u6cd5\u5c06 Unicode \u4ee3\u7801\u70b9\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\u3002<\/li>\n
    • \u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 ICU4J\uff0c\u63d0\u4f9b\u66f4\u5168\u9762\u7684\u5b57\u7b26\u7f16\u7801\u652f\u6301\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u89e3\u7801\uff1a<\/strong>\u8981\u663e\u793a\u6c49\u5b57\uff0c\u9700\u8981\u5c06\u5176\u4ece Unicode \u4ee3\u7801\u70b9\u89e3\u7801\u56de\u5b57\u7b26\u3002<\/p>\n

        \n
      • Java \u63d0\u4f9b\u4e86 Character.codePointAt(char[] text, int index) \u65b9\u6cd5\u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6 Unicode \u4ee3\u7801\u70b9\u3002<\/li>\n
      • \u53ef\u4ee5\u4f7f\u7528\u8be5\u4ee3\u7801\u70b9\u901a\u8fc7 String.valueOf(int codePoint) \u521b\u5efa\u6c49\u5b57\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n

        \u5904\u7406\uff1a<\/strong>\u5bf9\u6570\u7ec4\u4e2d\u7684\u6c49\u5b57\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a<\/p>\n

          \n
        • \u904d\u5386\uff1a<\/strong>\u4f7f\u7528 for \u5faa\u73af\u6216\u589e\u5f3a\u578b for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u3002<\/li>\n
        • \u641c\u7d22\uff1a<\/strong>\u4f7f\u7528 indexOf() \u6216 lastIndexOf() \u65b9\u6cd5\u67e5\u627e\u7279\u5b9a\u6c49\u5b57\u7684\u7d22\u5f15\u3002<\/li>\n
        • \u6392\u5e8f\uff1a<\/strong>\u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u5bf9\u6c49\u5b57\u8fdb\u884c\u6392\u5e8f\uff0c\u6b64\u65f6\u9700\u8981\u4f7f\u7528 UTF-16 \u6bd4\u8f83\u5668\u4ee5\u786e\u4fdd\u6b63\u786e\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

          \u793a\u4f8b\uff1a<\/strong><\/p>\n

          import java.util.Arrays;\n\npublic class \u6c49\u5b57\u6570\u7ec4 {\n\n    public static void main(String[] args) {\n        \/\/ \u5c06\u6c49\u5b57\u7f16\u7801\u4e3a Unicode \u5b57\u7b26\u4ee3\u7801\n        char[] \u6c49\u5b57\u6570\u7ec4 = Character.toChars(0x6211);\n\n        \/\/ \u8f93\u51fa\u6c49\u5b57\n        System.out.println(String.valueOf(\u6c49\u5b57\u6570\u7ec4)); \/\/ \u8f93\u51fa\uff1a\"\u4f60\"\n\n        \/\/ \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\n        Arrays.sort(\u6c49\u5b57\u6570\u7ec4, new java.util.Comparator<Character>() {\n            @Override\n            public int compare(Character o1, Character o2) {\n                return Character.compare(o1, o2);\n            }\n        });\n\n        \/\/ \u8f93\u51fa\u6392\u5e8f\u540e\u7684\u6570\u7ec4\n        for (char ch : \u6c49\u5b57\u6570\u7ec4) {\n            System.out.print(ch);\n        } \/\/ \u8f93\u51fa\uff1a\"\u4f60\"\n    }\n}<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u91cc\u6709\u6c49\u5b57\u600e\u4e48\u529e\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\u5904\u7406 java \u6570\u7ec4\u4e2d\u7684\u6c49\u5b57\uff1fjava \u6570\u7ec4\u4f7f\u7528 char[] \u5b58\u50a8\u6c49\u5b57\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5904\u7406\uff1a1. \u7f16\u7801\uff1a\u5c06\u6c49\u5b57\u8f6c\u6362\u4e3a unicode \u5b57\u7b26\u4ee3\u7801\uff1b2. \u89e3\u7801\uff1a\u5c06 unicode \u4ee3\u7801\u70b9\u89e3\u7801\u56de\u6c49\u5b57\uff1b3. \u5904\u7406\uff1a\u904d\u5386\u3001\u641c\u7d22\u3001\u6392\u5e8f\u7b49\u64cd\u4f5c\u3002 \u5982\u4f55\u5904\u7406 Java \u6570\u7ec4\u4e2d\u7684\u6c49\u5b57 \u95ee\u9898\uff1a\u5982\u4f55\u5904\u7406 Java \u6570\u7ec4\u4e2d\u7684\u6c49\u5b57\uff1f \u56de\u7b54\uff1a Java \u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528 char[] \u7c7b\u578b\u5b58\u50a8\u5355\u4e2a\u5b57\u7b26\uff0c\u5305\u62ec\u6c49\u5b57\u3002\u8981\u5904\u7406\u6570\u7ec4\u4e2d\u7684\u6c49\u5b57\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u7f16\u7801\uff1a\u5c06\u6c49\u5b57\u8f6c\u6362\u4e3a Unicode \u5b57\u7b26\u4ee3\u7801\uff0c\u5b58\u50a8\u5728 char[] \u6570\u7ec4\u4e2d\u3002 Java \u63d0\u4f9b\u4e86 Character.toChars(int codePoint) \u65b9\u6cd5\u5c06 Unicode \u4ee3\u7801\u70b9\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\u3002 \u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 ICU4J\uff0c\u63d0\u4f9b\u66f4\u5168\u9762\u7684\u5b57\u7b26\u7f16\u7801\u652f\u6301\u3002 \u89e3\u7801\uff1a\u8981\u663e\u793a\u6c49\u5b57\uff0c\u9700\u8981\u5c06\u5176\u4ece Unicode \u4ee3\u7801\u70b9\u89e3\u7801\u56de\u5b57\u7b26\u3002 Java \u63d0\u4f9b\u4e86 Character.codePointAt(char[] text, int index) \u65b9\u6cd5\u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6 Unicode \u4ee3\u7801\u70b9\u3002 \u53ef\u4ee5\u4f7f\u7528\u8be5\u4ee3\u7801\u70b9\u901a\u8fc7 String.valueOf(int codePoint) \u521b\u5efa\u6c49\u5b57\u5b57\u7b26\u4e32\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-38763","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38763","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=38763"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38763\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}