{"id":202697,"date":"2025-05-22T08:42:12","date_gmt":"2025-05-22T00:42:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202697\/"},"modified":"2025-05-22T08:42:12","modified_gmt":"2025-05-22T00:42:12","slug":"%e5%88%a9%e7%94%a8-java-%e6%8e%a5%e5%8f%a3%e5%92%8c%e6%8a%bd%e8%b1%a1%e7%b1%bb%e5%ae%9e%e7%8e%b0%e5%87%bd%e6%95%b0%e5%8f%af%e9%87%8d%e7%94%a8%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202697\/","title":{"rendered":"\u5229\u7528 Java \u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u5b9e\u73b0\u51fd\u6570\u53ef\u91cd\u7528\u6027"},"content":{"rendered":"

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

\u5229\u7528 Java \u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u5b9e\u73b0\u51fd\u6570\u53ef\u91cd\u7528\u6027<\/h1>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u300a\u5229\u7528 Java \u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u5b9e\u73b0\u51fd\u6570\u53ef\u91cd\u7528\u6027\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\u4f7f\u7528\u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u53ef\u5b9e\u73b0\u51fd\u6570\u53ef\u91cd\u7528\u6027\uff1a\u63a5\u53e3\uff1a\u58f0\u660e\u65b9\u6cd5\uff0c\u4e0d\u63d0\u4f9b\u5b9e\u73b0\uff0c\u5b9e\u73b0\u5b83\u7684\u7c7b\u9700\u63d0\u4f9b\u5b9e\u73b0\u3002\u62bd\u8c61\u7c7b\uff1a\u58f0\u660e\u65b9\u6cd5\uff0c\u6709\u4e9b\u672a\u5b9e\u73b0\uff08\u62bd\u8c61\u65b9\u6cd5\uff09\uff0c\u6d3e\u751f\u7c7b\u9700\u5b9e\u73b0\u62bd\u8c61\u65b9\u6cd5\u3002<\/p>\n

<\/p>\n

\u5229\u7528 Java \u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u5b9e\u73b0\u51fd\u6570\u53ef\u91cd\u7528\u6027<\/strong><\/p>\n

\u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u662f Java \u4e2d\u5b9a\u4e49\u51fd\u6570\u53ef\u91cd\u7528\u6027\u7684\u4e24\u79cd\u5f3a\u5927\u673a\u5236\u3002\u672c\u6559\u7a0b\u5c06\u5f15\u5bfc\u4f60\u9010\u6b65\u5b66\u4e60\u5b83\u4eec\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n

\u63a5\u53e3<\/strong><\/p>\n

\u63a5\u53e3\u662f\u4e00\u4e2a\u58f0\u660e\u4e86\u8981\u5b9e\u73b0\u7684\u65b9\u6cd5\u7684\u62bd\u8c61\u7c7b\u578b\u3002\u5b83\u4e0d\u63d0\u4f9b\u65b9\u6cd5\u7684\u5b9e\u73b0\u3002\u5b9e\u73b0\u63a5\u53e3\u7684\u7c7b\u5fc5\u987b\u63d0\u4f9b\u8fd9\u4e9b\u65b9\u6cd5\u7684\u6240\u6709\u5b9e\u73b0\u3002<\/p>\n

\u521b\u5efa\u63a5\u53e3\uff1a<\/strong><\/p>\n

public interface Shape {\n    void draw();\n}<\/pre>\n
\u5b9e\u73b0\u63a5\u53e3\uff1a<\/strong><\/p>\n
public class Circle implements Shape {\n    @Override\n    public void draw() {\n        System.out.println(\"\u7ed8\u5236\u5706\u5f62\");\n    }\n}<\/pre>\n
\u62bd\u8c61\u7c7b<\/strong><\/p>\n
\u62bd\u8c61\u7c7b\u662f\u58f0\u660e\u4e86\u4e00\u4e9b\u65b9\u6cd5\u7684\u7c7b\uff0c\u5176\u4e2d\u4e00\u4e9b\u65b9\u6cd5\u6ca1\u6709\u5b9e\u73b0\u3002\u6ca1\u6709\u5b9e\u73b0\u7684\u65b9\u6cd5\u88ab\u79f0\u4e3a\u62bd\u8c61\u65b9\u6cd5\uff0c\u5fc5\u987b\u7531\u6d3e\u751f\u7c7b\u5b9e\u73b0\u3002<\/p>\n
\u521b\u5efa\u62bd\u8c61\u7c7b\uff1a<\/strong><\/p>\n
public abstract class AbstractShape {\n    public abstract void draw();\n    public void move() {\n        System.out.println(\"\u79fb\u52a8\u5f62\u72b6\");\n    }\n}<\/pre>\n
\u6269\u5c55\u62bd\u8c61\u7c7b\uff1a<\/strong><\/p>\n
public class Rectangle extends AbstractShape {\n    @Override\n    public void draw() {\n        System.out.println(\"\u7ed8\u5236\u77e9\u5f62\");\n    }\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7ed8\u56fe\u5e94\u7528\u7a0b\u5e8f\uff0c\u9700\u8981\u7ed8\u5236\u5404\u79cd\u5f62\u72b6\u3002\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u5b9e\u73b0\u51fd\u6570\u53ef\u91cd\u7528\u6027\uff1a<\/p>\n
public class DrawingApp {\n\n    public static void main(String[] args) {\n        Circle circle = new Circle();\n        Rectangle rectangle = new Rectangle();\n        drawShape(circle);\n        drawShape(rectangle);\n    }\n\n    public static void drawShape(Shape shape) {\n        shape.draw();\n    }\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdrawShape()<\/code> \u65b9\u6cd5\u63a5\u53d7\u5b9e\u73b0 Shape<\/code> \u63a5\u53e3\u7684\u4efb\u4f55\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4e0d\u540c\u7684\u5f62\u72b6\u53ef\u4ee5\u8c03\u7528\u540c\u4e00\u65b9\u6cd5\uff08drawShape()<\/code>\uff09\u6765\u7ed8\u5236\u81ea\u5df1\uff0c\u4ece\u800c\u4f53\u73b0\u4e86\u51fd\u6570\u53ef\u91cd\u7528\u6027\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u5229\u7528 Java \u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u5b9e\u73b0\u51fd\u6570\u53ef\u91cd\u7528\u6027\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u63a5\u53e3,\u62bd\u8c61\u7c7b,\u51fd\u6570\u590d\u7528\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5229\u7528 Java \u63a5\u53e3\u548c\u62bd\u8c61\u7c7b\u5b9e\u73b0...<\/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-202697","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202697","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=202697"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202697\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}