{"id":203014,"date":"2025-05-22T09:45:51","date_gmt":"2025-05-22T01:45:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203014\/"},"modified":"2025-05-22T09:45:51","modified_gmt":"2025-05-22T01:45:51","slug":"java-%e9%87%8d%e8%bd%bd%e6%96%b9%e6%b3%95%e7%9a%84%e5%91%bd%e5%90%8d%e8%a7%84%e8%8c%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203014\/","title":{"rendered":"Java \u91cd\u8f7d\u65b9\u6cd5\u7684\u547d\u540d\u89c4\u8303"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u91cd\u8f7d\u65b9\u6cd5\u7684\u547d\u540d\u89c4\u8303<\/h1>\n<p>\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aJava \u91cd\u8f7d\u65b9\u6cd5\u7684\u547d\u540d\u89c4\u8303\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>\u91cd\u8f7d\u65b9\u6cd5\u547d\u540d\u89c4\u8303\u5305\u62ec\uff1a\u4f7f\u7528\u524d\u7f00\/\u540e\u7f00\u547d\u540d\uff1a\u524d\u7f00\uff1a\u533a\u5206\u7279\u5b9a\u7528\u9014\uff08\u5982 &#8220;create&#8221; \u548c &#8220;update&#8221;\uff09\u3002\u540e\u7f00\uff1a\u8868\u660e\u7279\u5b9a\u7279\u6027\uff08\u5982 &#8220;BySize&#8221; \u548c &#8220;ByName&#8221;\uff09\u3002\u52a8\u8bcd\u547d\u540d\uff1a\u63cf\u8ff0\u4e0d\u540c\u64cd\u4f5c\uff08\u5982 &#8220;add&#8221; \u548c &#8220;remove&#8221;\uff09\u3002\u53c2\u6570\u7c7b\u578b\u547d\u540d\uff1a\u533a\u5206\u4e0d\u540c\u7c7b\u578b\u8f93\u5165\uff08\u5982 &#8220;int&#8221; \u548c &#8220;String&#8221;\uff09\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730020127671e031fb71d9.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u91cd\u8f7d\u65b9\u6cd5\u7684\u547d\u540d\u89c4\u8303<\/strong><\/p>\n<p>\u91cd\u8f7d\u65b9\u6cd5\u662f Java \u4e2d\u5141\u8bb8\u591a\u4e2a\u65b9\u6cd5\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u5177\u6709\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u5f3a\u5927\u529f\u80fd\u3002\u9075\u5faa\u9002\u5f53\u7684\u547d\u540d\u89c4\u8303\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7406\u89e3\u6027\u3002<\/p>\n<p><strong>\u547d\u540d\u7ea6\u5b9a<\/strong><\/p>\n<p>\u547d\u540d\u91cd\u8f7d\u65b9\u6cd5\u65f6\uff0c\u5e94\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u4e00\u81f4\u7684\u524d\u7f00\u6216\u540e\u7f00\u6765\u533a\u5206\u91cd\u8f7d\u65b9\u6cd5\u3002<\/li>\n<li>\u5bf9\u4e8e\u8868\u793a\u4e0d\u540c\u64cd\u4f5c\u7684\u91cd\u8f7d\u65b9\u6cd5\uff0c\u4f7f\u7528\u63cf\u8ff0\u6027\u7684\u52a8\u8bcd\u3002<\/li>\n<li>\u5bf9\u4e8e\u8868\u793a\u4e0d\u540c\u7c7b\u578b\u8f93\u5165\u7684\u91cd\u8f7d\u65b9\u6cd5\uff0c\u4f7f\u7528\u63cf\u8ff0\u6027\u7684\u53c2\u6570\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<p><strong>\u524d\u7f00\/\u540e\u7f00\u547d\u540d<\/strong><\/p>\n<ul>\n<li><strong>\u524d\u7f00\u547d\u540d\uff1a<\/strong>\u5728\u65b9\u6cd5\u540d\u524d\u6dfb\u52a0\u524d\u7f00\uff0c\u8868\u660e\u65b9\u6cd5\u7684\u7279\u5b9a\u7528\u9014\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528\u524d\u7f00 &#8220;create&#8221; \u548c &#8220;update&#8221; \u6765\u533a\u5206\u521b\u5efa\u548c\u66f4\u65b0\u5bf9\u8c61\u7684\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/li>\n<\/ul>\n<pre>public MyClass createObject(String name) { ... }\npublic void updateObject(MyClass object) { ... }<\/pre>\n<ul>\n<li><strong>\u540e\u7f00\u547d\u540d\uff1a<\/strong>\u5728\u65b9\u6cd5\u540d\u540e\u6dfb\u52a0\u540e\u7f00\uff0c\u8868\u660e\u65b9\u6cd5\u7684\u7279\u5b9a\u7279\u6027\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528\u540e\u7f00 &#8220;BySize&#8221; \u548c &#8220;ByName&#8221; \u6765\u533a\u5206\u6309\u5927\u5c0f\u548c\u6309\u540d\u79f0\u6392\u5e8f\u5bf9\u8c61\u7684\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/li>\n<\/ul>\n<pre>public List&lt;MyClass&gt; sortBySize(List&lt;MyClass&gt; objects) { ... }\npublic List&lt;MyClass&gt; sortByName(List&lt;MyClass&gt; objects) { ... }<\/pre>\n<p><strong>\u52a8\u8bcd\u547d\u540d<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u8868\u793a\u4e0d\u540c\u64cd\u4f5c\u7684\u91cd\u8f7d\u65b9\u6cd5\uff0c\u4f7f\u7528\u63cf\u8ff0\u6027\u7684\u52a8\u8bcd\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528\u52a8\u8bcd &#8220;add&#8221; \u548c &#8220;remove&#8221; \u6765\u533a\u5206\u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u548c\u5220\u9664\u5bf9\u8c61\u7684\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/li>\n<\/ul>\n<pre>public void addElement(MyClass object) { ... }\npublic void removeElement(MyClass object) { ... }<\/pre>\n<p><strong>\u53c2\u6570\u7c7b\u578b\u547d\u540d<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u8868\u793a\u4e0d\u540c\u7c7b\u578b\u8f93\u5165\u7684\u91cd\u8f7d\u65b9\u6cd5\uff0c\u4f7f\u7528\u63cf\u8ff0\u6027\u7684\u53c2\u6570\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528\u53c2\u6570\u7c7b\u578b &#8220;int&#8221; \u548c &#8220;String&#8221; \u6765\u533a\u5206\u63a5\u53d7\u6574\u578b\u548c\u5b57\u7b26\u4e32\u53c2\u6570\u7684\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/li>\n<\/ul>\n<pre>public int sumIntegers(int a, int b) { ... }\npublic String concatenateStrings(String a, String b) { ... }<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u521b\u5efa\u548c\u66f4\u65b0\u7528\u6237\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>public class UserRepository {\n\n    public User create(String name, String email) { ... }\n\n    public User create(String name, String email, Date birthDate) { ... }\n\n    public void update(User user) { ... }\n\n    public void update(User user, String newEmail) { ... }\n}<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff1a<\/p>\n<ul>\n<li><code>create(String, String)<\/code> \u548c <code>create(String, String, Date)<\/code> \u4f7f\u7528\u524d\u7f00\u547d\u540d\u4ee5\u533a\u5206\u7528\u4e8e\u521b\u5efa\u7528\u6237\u7684\u4e24\u4e2a\u65b9\u6cd5\u3002<\/li>\n<li><code>update(User)<\/code> \u548c <code>update(User, String)<\/code> \u4f7f\u7528\u540e\u7f00\u547d\u540d\u4ee5\u533a\u5206\u7528\u4e8e\u66f4\u65b0\u7528\u6237\u7684\u4e24\u4e2a\u65b9\u6cd5\uff0c\u5e76\u4e14\u53c2\u6570\u7c7b\u578b\u547d\u540d\u7528\u4e8e\u6839\u636e\u66f4\u65b0\u5c5e\u6027\u7684\u4e0d\u540c\u6765\u533a\u5206\u5b83\u4eec\u3002<\/li>\n<\/ul>\n<p>\u6587\u4e2d\u5173\u4e8ejava,\u91cd\u8f7d\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aJava \u91cd\u8f7d\u65b9\u6cd5\u7684\u547d\u540d\u89c4\u8303\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u91cd\u8f7d\u65b9\u6cd5\u7684\u547d\u540d\u89c4\u8303 \u6765&#46;&#46;&#46;<\/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-203014","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203014","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=203014"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203014\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}