{"id":202957,"date":"2025-05-22T08:35:47","date_gmt":"2025-05-22T00:35:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202957\/"},"modified":"2025-05-22T08:35:47","modified_gmt":"2025-05-22T00:35:47","slug":"java%e4%b8%ad%e5%87%bd%e6%95%b0%e7%9a%84%e5%8f%82%e6%95%b0%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202957\/","title":{"rendered":"Java\u4e2d\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868"},"content":{"rendered":"

<\/b> <\/p>\n

Java\u4e2d\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868<\/h1>\n

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300aJava\u4e2d\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\u300b<\/span>\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

\u5728 Java \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u5217\u8868\u5141\u8bb8\u4f20\u9012\u548c\u63a5\u6536\u503c\u3002\u5b83\u6307\u5b9a\u51fd\u6570\u6240\u9700\u7684\u8f93\u5165\u548c\u8f93\u51fa\u7c7b\u578b\u3002\u53d8\u91cf\u53c2\u6570\u5141\u8bb8\u51fd\u6570\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u3002\u5b9e\u7528\u7684\u5b57\u7b26\u4e32\u5b9e\u7528\u7a0b\u5e8f\u7c7b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u53c2\u6570\u5217\u8868\u6765\u6267\u884c\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u5982\u5927\u5c0f\u5199\u8f6c\u6362\u548c\u8fde\u63a5\u3002<\/p>\n

<\/p>\n

\u5728 Java \u4e2d\u64cd\u4f5c\u51fd\u6570\u53c2\u6570\u5217\u8868<\/strong><\/p>\n

\u51fd\u6570\u53c2\u6570\u5217\u8868\u662f Java \u4e2d\u51fd\u6570\u7b7e\u540d\u7684\u4e00\u90e8\u5206\uff0c\u7528\u4e8e\u6307\u5b9a\u51fd\u6570\u6240\u9700\u7684\u8f93\u5165\u548c\u8f93\u51fa\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u8ba9\u8c03\u7528\u8005\u5c06\u503c\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u5e76\u4ece\u51fd\u6570\u63a5\u6536\u8fd4\u56de\u503c\u3002<\/p>\n

\u51fd\u6570\u53c2\u6570\u7c7b\u578b<\/strong><\/p>\n

\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u5177\u6709\u4efb\u4f55 Java \u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u3001\u5bf9\u8c61\u548c\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n

void printName(String name) {\n    System.out.println(\"Hello \" + name);\n}<\/pre>\n
\u53d8\u91cf\u53c2\u6570<\/strong><\/p>\n
Java 5 \u5f15\u5165\u4e86\u53d8\u91cf\u53c2\u6570\uff0c\u4e5f\u79f0\u4e3a\u53ef\u53d8\u53c2\u6570\u3002\u8fd9\u5141\u8bb8\u51fd\u6570\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u3002<\/p>\n
void printNames(String... names) {\n    for (String name : names) {\n        System.out.println(\"Hello \" + name);\n    }\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u7c7b\uff0c\u63d0\u4f9b\u51e0\u4e2a\u7528\u4e8e\u64cd\u4f5c\u5b57\u7b26\u4e32\u7684\u51fd\u6570\u3002<\/p>\n
\u4ee3\u7801\u6bb5\uff1a<\/strong><\/p>\n
public class StringUtils {\n\n    public static String toUpperCase(String text) {\n        return text.toUpperCase();\n    }\n\n    public static String toLowerCase(String text) {\n        return text.toLowerCase();\n    }\n\n    public static String concatenate(String... texts) {\n        StringBuilder builder = new StringBuilder();\n        for (String text : texts) {\n            builder.append(text);\n        }\n        return builder.toString();\n    }\n\n}\n\n\/\/ \u4f7f\u7528 StringUtils \u7c7b\nString upperCased = StringUtils.toUpperCase(\"hello\");\nString lowerCased = StringUtils.toLowerCase(\"WORLD\");\nString concatenated = StringUtils.concatenate(\"foo\", \"bar\", \"baz\");<\/pre>\n
\u5728\u4e0a\u9762\u7684\u6848\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u51fd\u6570\uff1atoUpperCase<\/code>\u3001toLowerCase<\/code> \u548c concatenate<\/code>\u3002toUpperCase<\/code> \u548c toLowerCase<\/code> \u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u8f6c\u6362\u540e\u7684\u5b57\u7b26\u4e32\u3002concatenate<\/code> \u63a5\u53d7\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u8fde\u63a5\u540e\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
\u4f7f\u7528\u53c2\u6570\u5217\u8868<\/strong><\/p>\n
\u4f7f\u7528\u51fd\u6570\u53c2\u6570\u5217\u8868\u65f6\uff0c\u9700\u8981\u9075\u5b88\u4ee5\u4e0b\u89c4\u5219\uff1a<\/p>\n
    \n
  • \u53c2\u6570\u5217\u8868\u4e2d\u7684\u53c2\u6570\u5fc5\u987b\u6309\u6b63\u786e\u7684\u987a\u5e8f\u63d0\u4f9b\u3002<\/li>\n
  • \u53c2\u6570\u7684\u6570\u91cf\u5fc5\u987b\u4e0e\u51fd\u6570\u5b9a\u4e49\u4e2d\u6307\u5b9a\u7684\u6570\u91cf\u5339\u914d\u3002<\/li>\n
  • \u53c2\u6570\u7684\u7c7b\u578b\u5fc5\u987b\u4e0e\u51fd\u6570\u5b9a\u4e49\u4e2d\u6307\u5b9a\u7684\u7c7b\u578b\u517c\u5bb9\u3002<\/li>\n<\/ul>\n
    \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
    Java\u4e2d\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868 \u54c8\u55bd\uff01...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202957","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202957","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202957"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202957\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}