{"id":202937,"date":"2025-05-22T09:30:11","date_gmt":"2025-05-22T01:30:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202937\/"},"modified":"2025-05-22T09:30:11","modified_gmt":"2025-05-22T01:30:11","slug":"%e5%88%a9%e7%94%a8%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%e5%85%8b%e6%9c%8djava%e4%bb%a3%e7%a0%81%e5%86%97%e4%bd%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202937\/","title":{"rendered":"\u5229\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u514b\u670dJava\u4ee3\u7801\u5197\u4f59"},"content":{"rendered":"

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

\u5229\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u514b\u670dJava\u4ee3\u7801\u5197\u4f59<\/h1>\n

\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u5229\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u514b\u670dJava\u4ee3\u7801\u5197\u4f59\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

\u901a\u8fc7\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5229\u7528\u4e0d\u53ef\u53d8\u503c\u548c\u7eaf\u51fd\u6570\u6765\u6d88\u9664 Java \u4ee3\u7801\u4e2d\u7684\u5197\u4f59\u3002\u4e0d\u53ef\u53d8\u503c\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u88ab\u4fee\u6539\uff0c\u7eaf\u51fd\u6570\u4e0d\u4f1a\u4fee\u6539\u5176\u8f93\u5165\u53c2\u6570\u6216\u7a0b\u5e8f\u72b6\u6001\u3002\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5316\u904d\u5386\u5217\u8868\u5e76\u6253\u5370\u5076\u6570\u7684\u4ee3\u7801\uff0c\u4ee5\u53ca\u67e5\u627e\u6570\u636e\u5e93\u4e2d\u5177\u6709\u7279\u5b9a\u5c5e\u6027\u7684\u5ba2\u6237\u3002\u6700\u7ec8\uff0c\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u4f9b\u4e86\u7b80\u6d01\u4e14\u53ef\u6269\u5c55\u7684\u65b9\u6cd5\u6765\u7f16\u5199 Java \u4ee3\u7801\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

<\/p>\n

\u5229\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u6d88\u9664 Java \u4ee3\u7801\u5197\u4f59<\/strong><\/p>\n

\u51fd\u6570\u5f0f\u7f16\u7a0b\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5b83\u5f3a\u8c03\u4f7f\u7528\u4e0d\u53ef\u53d8\u503c\u548c\u7eaf\u51fd\u6570\u3002\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u51cf\u5c11\u4ee3\u7801\u5197\u4f59\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

\u4e0d\u53ef\u53d8\u503c<\/strong><\/p>\n

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\/\/\u4e0d\u53ef\u53d8String\nString name = \"John Doe\";\n\n\/\/\u4e0d\u80fd\u4fee\u6539name\u53d8\u91cf\u7684\u503c\nname = \"Jane Smith\"; \/\/\u7f16\u8bd1\u65f6\u62a5\u9519<\/pre>\n
\u7eaf\u51fd\u6570<\/strong><\/p>\n
\u7eaf\u51fd\u6570\u662f\u4e0d\u4fee\u6539\u8f93\u5165\u53c2\u6570\u6216\u7a0b\u5e8f\u72b6\u6001\u7684\u51fd\u6570\u3002\u8fd9\u4f7f\u5f97\u5b83\u4eec\u6613\u4e8e\u7406\u89e3\u548c\u6d4b\u8bd5\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b89\u5168\u5730\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u4f7f\u7528\u3002\u4f8b\uff1a<\/p>\n
\/\/\u7eaf\u51fd\u6570\uff0c\u5c06\u8f93\u5165\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\nString toUpperCase(String input) {\n    return input.toUpperCase();\n}<\/pre>\n
\u51fd\u6570\u5f0f\u7f16\u7a0b\u5b9e\u4f8b<\/strong><\/p>\n
\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff0c\u5b83\u4f7f\u7528\u4f20\u7edf Java \u65b9\u5f0f\u904d\u5386\u5217\u8868\u5e76\u6253\u5370\u5076\u6570\uff1a<\/p>\n
List<Integer> numbers = List.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);\n\nfor (Integer number : numbers) {\n    if (number % 2 == 0) {\n        System.out.println(number);\n    }\n}<\/pre>\n
\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5316\u6b64\u4ee3\u7801\uff1a<\/p>\n
numbers.stream()\n       .filter(number -> number % 2 == 0)\n       .forEach(System.out::println);<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u5728\u4e00\u4e2a\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u60f3\u8981\u5728\u6570\u636e\u5e93\u4e2d\u67e5\u627e\u6240\u6709\u5177\u6709\u7279\u5b9a\u5c5e\u6027\u7684\u5ba2\u6237\u3002\u4f20\u7edf\u65b9\u5f0f\u9700\u8981\u7f16\u5199\u5927\u91cf\u6837\u677f\u4ee3\u7801\uff1a<\/p>\n
List<Customer> customers = customerRepository.findAll();\n\nList<Customer> qualifyingCustomers = new ArrayList<>();\n\nfor (Customer customer : customers) {\n    if (customer.isActive() && customer.getLoyaltyPoints() > 100) {\n        qualifyingCustomers.add(customer);\n    }\n}<\/pre>\n
\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u91cd\u5199\u6b64\u4ee3\u7801\uff1a<\/p>\n
List<Customer> qualifyingCustomers = customerRepository.findAll()\n                                                       .stream()\n                                                       .filter(customer -> customer.isActive() && customer.getLoyaltyPoints() > 100)\n                                                       .collect(Collectors.toList());<\/pre>\n
\u7ed3\u8bba<\/strong><\/p>\n
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\u5229\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u514b\u670dJava\u4ee3\u7801\u5197...<\/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-202937","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202937","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=202937"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202937\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}