{"id":1098,"date":"2026-03-31T22:07:10","date_gmt":"2026-03-31T22:07:10","guid":{"rendered":"https:\/\/www.method-post.com\/cn\/top-20-student-questions-class-diagrams-software-engineering\/"},"modified":"2026-03-31T22:07:10","modified_gmt":"2026-03-31T22:07:10","slug":"top-20-student-questions-class-diagrams-software-engineering","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/cn\/top-20-student-questions-class-diagrams-software-engineering\/","title":{"rendered":"Q&amp;A\uff1a\u89e3\u7b54\u5b66\u751f\u5173\u4e8e\u7c7b\u56fe\u53ca\u5176\u5728\u8f6f\u4ef6\u5de5\u7a0b\u4e2d\u4f5c\u7528\u768420\u4e2a\u5e38\u89c1\u95ee\u9898"},"content":{"rendered":"<p>\u8f6f\u4ef6\u5de5\u7a0b\u9ad8\u5ea6\u4f9d\u8d56\u89c6\u89c9\u6a21\u578b\u6765\u4f20\u8fbe\u590d\u6742\u7cfb\u7edf\u7ed3\u6784\u3002\u5728\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u6807\u51c6\u4e2d\uff0c\u7c7b\u56fe\u662f\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u7684\u57fa\u672c\u5de5\u5177\u3002\u5bf9\u4e8e\u8fdb\u5165\u8be5\u9886\u57df\u7684\u5b66\u751f\u800c\u8a00\uff0c\u7406\u89e3\u8fd9\u4e9b\u56fe\u793a\u5e76\u975e\u53ef\u9009\uff0c\u800c\u662f\u6838\u5fc3\u80fd\u529b\u3002\u672c\u6307\u5357\u89e3\u7b54\u4e86\u5173\u4e8e\u7c7b\u56fe\u6700\u5e38\u89c1\u7684\u7591\u95ee\uff0c\u9610\u660e\u4e86\u5176\u6784\u5efa\u65b9\u5f0f\u3001\u7528\u9014\u4ee5\u53ca\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal sketch infographic illustrating UML class diagram fundamentals for software engineering students, showing class structure with three compartments, visibility modifiers (+ - # ~), relationship types including inheritance aggregation composition dependency, multiplicity notations 1 0..1 1..* 0..*, and comparison with sequence diagrams in educational hand-drawn contour style\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/uml-class-diagrams-student-guide-infographic-charcoal-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u4ec0\u4e48\u662f\u7c7b\u56fe\uff1f \ud83d\udcca<\/h2>\n<p>\u7c7b\u56fe\u662f\u4e00\u79cd\u9759\u6001\u7ed3\u6784\u56fe\uff0c\u901a\u8fc7\u5c55\u793a\u7cfb\u7edf\u7684\u7c7b\u3001\u5c5e\u6027\u3001\u64cd\u4f5c\uff08\u6216\u65b9\u6cd5\uff09\u4ee5\u53ca\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u6765\u63cf\u8ff0\u7cfb\u7edf\u7684\u7ed3\u6784\u3002\u5b83\u4e3a\u7cfb\u7edf\u7684\u67b6\u6784\u63d0\u4f9b\u4e86\u84dd\u56fe\u3002\u4e0e\u5c55\u793a\u968f\u65f6\u95f4\u53d8\u5316\u7684\u52a8\u6001\u884c\u4e3a\u7684\u65f6\u5e8f\u56fe\u4e0d\u540c\uff0c\u7c7b\u56fe\u5173\u6ce8\u7684\u662f\u7cfb\u7edf\u7684\u540d\u8bcd\u800c\u975e\u52a8\u8bcd\u3002<\/p>\n<ul>\n<li><strong>\u9759\u6001\u89c6\u56fe\uff1a<\/strong> \u5b83\u8868\u793a\u7cfb\u7edf\u5728\u67d0\u4e00\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u72b6\u6001\u3002<\/li>\n<li><strong>\u84dd\u56fe\uff1a<\/strong> \u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u5b83\u6765\u7528Java\u3001C++\u6216Python\u7b49\u7f16\u7a0b\u8bed\u8a00\u5b9e\u73b0\u4ee3\u7801\u3002<\/li>\n<li><strong>\u6587\u6863\uff1a<\/strong> \u5b83\u4f5c\u4e3a\u56e2\u961f\u6210\u5458\u7406\u89e3\u6570\u636e\u7ed3\u6784\u548c\u903b\u8f91\u7684\u53c2\u8003\u3002<\/li>\n<\/ul>\n<h2>2. \u7c7b\u7684\u4e09\u4e2a\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u662f\u4ec0\u4e48\uff1f \ud83d\udce6<\/h2>\n<p>\u6807\u51c6\u7684\u7c7b\u56fe\u5c06\u6bcf\u4e2a\u7c7b\u5212\u5206\u4e3a\u4e09\u4e2a\u4e0d\u540c\u7684\u90e8\u5206\uff0c\u4ee5\u6e05\u6670\u5730\u7ec4\u7ec7\u4fe1\u606f\u3002<\/p>\n<table>\n<tr>\n<th>\u90e8\u5206<\/th>\n<th>\u5185\u5bb9<\/th>\n<\/tr>\n<tr>\n<td>\u540d\u79f0<\/td>\n<td>\u7c7b\u7684\u6807\u8bc6\u7b26\u3002\u901a\u5e38\u5199\u5728\u9876\u90e8\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5c5e\u6027<\/td>\n<td>\u7c7b\u6240\u62e5\u6709\u7684\u53d8\u91cf\u6216\u6570\u636e\u5c5e\u6027\u3002\u4f4d\u4e8e\u4e2d\u95f4\u90e8\u5206\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u65b9\u6cd5<\/td>\n<td>\u7c7b\u53ef\u4ee5\u6267\u884c\u7684\u529f\u80fd\u6216\u884c\u4e3a\u3002\u4f4d\u4e8e\u5e95\u90e8\u90e8\u5206\u3002<\/td>\n<\/tr>\n<\/table>\n<h2>3. \u5982\u4f55\u5728\u7c7b\u56fe\u4e2d\u8868\u793a\u53ef\u89c1\u6027\uff1f \ud83d\udd12<\/h2>\n<p>\u53ef\u89c1\u6027\u4fee\u9970\u7b26\u63a7\u5236\u7c7b\u6210\u5458\u4ece\u7c7b\u5916\u90e8\u7684\u8bbf\u95ee\u6743\u9650\u3002\u5b83\u4eec\u5bf9\u4e8e\u5c01\u88c5\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u516c\u5171\uff08+\uff09\uff1a<\/strong>\u53ef\u4ee5\u4ece\u4efb\u4f55\u5176\u4ed6\u7c7b\u8bbf\u95ee\u3002\u8fd9\u662f\u8bbf\u95ee\u6743\u9650\u6700\u9ad8\u7684\u7ea7\u522b\u3002<\/li>\n<li><strong>\u79c1\u6709\uff08-\uff09\uff1a<\/strong>\u53ea\u80fd\u5728\u7c7b\u5185\u90e8\u8bbf\u95ee\u3002\u6570\u636e\u5bf9\u5916\u754c\u9690\u85cf\u3002<\/li>\n<li><strong>\u53d7\u4fdd\u62a4\uff08#\uff09\uff1a<\/strong>\u5728\u7c7b\u53ca\u5176\u5b50\u7c7b\uff08\u7ee7\u627f\u5c42\u6b21\u7ed3\u6784\uff09\u4e2d\u53ef\u8bbf\u95ee\u3002<\/li>\n<li><strong>\u5305\uff08~\uff09\uff1a<\/strong>\u5728\u540c\u4e00\u4e2a\u5305\u6216\u547d\u540d\u7a7a\u95f4\u5185\u53ef\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<h2>4. \u5173\u8054\u548c\u805a\u5408\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f \ud83e\udde9<\/h2>\n<p>\u8fd9\u4e24\u79cd\u5173\u7cfb\u90fd\u8fde\u63a5\u7c7b\uff0c\u4f46\u5b83\u4eec\u5728\u6240\u6709\u6743\u548c\u751f\u547d\u5468\u671f\u4f9d\u8d56\u6027\u4e0a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<ul>\n<li><strong>\u5173\u8054\uff1a<\/strong> \u4e00\u79cd\u901a\u7528\u5173\u7cfb\uff0c\u5176\u4e2d\u5bf9\u8c61\u76f8\u4e92\u8fde\u63a5\u3002\u5b83\u6697\u793a\u7740\u8f83\u5f3a\u7684\u8054\u7cfb\uff0c\u4f46\u4e0d\u4e00\u5b9a\u610f\u5473\u7740\u62e5\u6709\u5173\u7cfb\u3002<\/li>\n<li><strong>\u805a\u5408\uff1a<\/strong> \u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u5173\u8054\uff0c\u8868\u793a\u201c\u6574\u4f53-\u90e8\u5206\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u4e8e\u6574\u4f53\u5b58\u5728\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7cfb\u53ef\u4ee5\u5728\u6ca1\u6709\u7279\u5b9a\u6559\u6388\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\u3002<\/li>\n<\/ul>\n<h2>5. \u4ec0\u4e48\u65f6\u5019\u5e94\u8be5\u4f7f\u7528\u7ec4\u5408\u800c\u4e0d\u662f\u805a\u5408\uff1f \ud83c\udfd7\ufe0f<\/h2>\n<p>\u7ec4\u5408\u662f\u805a\u5408\u7684\u4e00\u79cd\u66f4\u5f3a\u5f62\u5f0f\u3002\u5b83\u610f\u5473\u7740\u72ec\u5360\u6027\u62e5\u6709\u5173\u7cfb\u548c\u4e25\u683c\u7684\u751f\u547d\u5468\u671f\u4f9d\u8d56\u6027\u3002<\/p>\n<ul>\n<li><strong>\u6240\u6709\u6743\uff1a<\/strong> \u6574\u4f53\u62e5\u6709\u90e8\u5206\u3002<\/li>\n<li><strong> \u751f\u547d\u5468\u671f\uff1a<\/strong> \u5982\u679c\u6574\u4f53\u88ab\u9500\u6bc1\uff0c\u90e8\u5206\u4e5f\u4f1a\u968f\u4e4b\u88ab\u9500\u6bc1\u3002\u4f8b\u5982\uff0c\u4e00\u680b\u623f\u5b50\u7531\u623f\u95f4\u7ec4\u6210\u3002\u5982\u679c\u623f\u5b50\u88ab\u62c6\u9664\uff0c\u8fd9\u4e9b\u623f\u95f4\u5728\u8fd9\u4e2a\u4e0a\u4e0b\u6587\u4e2d\u5c31\u4e0d\u518d\u5b58\u5728\u3002<\/li>\n<li><strong>\u89c6\u89c9\u8868\u793a\uff1a<\/strong> \u5728\u8fde\u7ebf\u7684\u6574\u4f53\u4e00\u4fa7\u4f7f\u7528\u5b9e\u5fc3\u83f1\u5f62\u3002<\/li>\n<\/ul>\n<h2>6. UML \u4e2d\u7684\u7ee7\u627f\u662f\u4ec0\u4e48\u6837\u5b50\u7684\uff1f \ud83c\udf33<\/h2>\n<p>\u7ee7\u627f\u5141\u8bb8\u4e00\u4e2a\u65b0\u7c7b\u91c7\u7528\u73b0\u6709\u7c7b\u7684\u5c5e\u6027\u548c\u884c\u4e3a\u3002\u8fd9\u652f\u6301\u4ee3\u7801\u590d\u7528\u548c\u5c42\u6b21\u7ed3\u6784\u3002<\/p>\n<ul>\n<li><strong>\u8868\u793a\u6cd5\uff1a<\/strong> \u4e00\u6761\u5b9e\u7ebf\uff0c\u672b\u7aef\u5e26\u4e00\u4e2a\u7a7a\u5fc3\u4e09\u89d2\u5f62\u7bad\u5934\uff0c\u6307\u5411\u7236\u7c7b\u3002<\/li>\n<li><strong>\u672f\u8bed\uff1a<\/strong> \u5b50\u7c7b\u901a\u5e38\u88ab\u79f0\u4e3a\u5b50\u7c7b\u6216\u6d3e\u751f\u7c7b\uff1b\u7236\u7c7b\u79f0\u4e3a\u8d85\u7c7b\u6216\u57fa\u7c7b\u3002<\/li>\n<li><strong>\u793a\u4f8b\uff1a<\/strong> \u4e00\u4e2a <code>Vehicle<\/code> \u7c7b\u53ef\u4ee5\u4f5c\u4e3a <code>Car<\/code> \u548c <code>Truck<\/code> \u5b50\u7c7b\u3002<\/li>\n<\/ul>\n<h2>7. \u63a5\u53e3\u5728\u7c7b\u56fe\u4e2d\u662f\u5982\u4f55\u8868\u793a\u7684\uff1f \u26a1<\/h2>\n<p>\u63a5\u53e3\u5b9a\u4e49\u4e86\u884c\u4e3a\u7684\u5951\u7ea6\uff0c\u4f46\u6ca1\u6709\u5177\u4f53\u5b9e\u73b0\u3002\u5b83\u4eec\u5bf9\u4e8e\u591a\u6001\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u540d\u79f0\uff1a<\/strong>\u901a\u5e38\u4ee5 &lt;&lt;interface&gt;&gt; \u4f5c\u4e3a\u524d\u7f00\u3002<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong>\u4e00\u4e2a\u7c7b\u201c\u5b9e\u73b0\u201d\u4e00\u4e2a\u63a5\u53e3\uff0c\u901a\u5e38\u7528\u5e26\u7a7a\u5fc3\u4e09\u89d2\u7bad\u5934\u7684\u865a\u7ebf\u8868\u793a\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong>\u5141\u8bb8\u4e0d\u540c\u7684\u7c7b\u5b9e\u73b0\u76f8\u540c\u7684\u65b9\u6cd5\u96c6\uff0c\u540c\u65f6\u5177\u6709\u4e0d\u540c\u7684\u5185\u90e8\u903b\u8f91\u3002<\/li>\n<\/ul>\n<h2>8. \u4ec0\u4e48\u662f\u62bd\u8c61\u7c7b\uff1f\u5b83\u5982\u4f55\u8868\u793a\uff1f \ud83d\udd75\ufe0f<\/h2>\n<p>\u62bd\u8c61\u7c7b\u4e0d\u80fd\u76f4\u63a5\u5b9e\u4f8b\u5316\u3002\u5b83\u4f5c\u4e3a\u5176\u4ed6\u7c7b\u7684\u6a21\u677f\u3002<\/p>\n<ul>\n<li><strong>\u6587\u672c\uff1a<\/strong>\u7c7b\u540d\u901a\u5e38\u7528\u659c\u4f53\u4e66\u5199\u3002<\/li>\n<li><strong>\u7ea6\u675f\uff1a<\/strong>\u5b83\u53ef\u80fd\u5305\u542b\u62bd\u8c61\u65b9\u6cd5\uff08\u6ca1\u6709\u4e3b\u4f53\u7684\u65b9\u6cd5\uff09\uff0c\u5b50\u7c7b\u5fc5\u987b\u5b9e\u73b0\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u7528\u6cd5\uff1a<\/strong>\u5728\u4e3a\u4e00\u7ec4\u76f8\u5173\u5bf9\u8c61\u5b9a\u4e49\u5171\u540c\u529f\u80fd\u65f6\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2>9. \u4ec0\u4e48\u662f\u591a\u91cd\u6027\uff1f\u5b83\u4e3a\u4ec0\u4e48\u91cd\u8981\uff1f \ud83d\udd22<\/h2>\n<p>\u591a\u91cd\u6027\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\u6709\u591a\u5c11\u4e2a\u5b9e\u4f8b\u53c2\u4e0e\u5173\u7cfb\u3002\u5b83\u6709\u52a9\u4e8e\u9632\u6b62\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\u7684\u6b67\u4e49\u3002<\/p>\n<ul>\n<li><strong>1:<\/strong>\u6070\u597d\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>0..1:<\/strong>\u96f6\u4e2a\u6216\u4e00\u4e2a\u5b9e\u4f8b\uff08\u53ef\u9009\uff09\u3002<\/li>\n<li><strong>1..*:<\/strong>\u4e00\u4e2a\u6216\u591a\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>0..*:<\/strong>\u96f6\u4e2a\u6216\u591a\u4e2a\u5b9e\u4f8b\uff08\u53ef\u9009\u96c6\u5408\uff09\u3002<\/li>\n<\/ul>\n<h2>10. \u4f9d\u8d56\u548c\u5173\u8054\u6709\u4ec0\u4e48\u533a\u522b\uff1f \ud83d\udd17<\/h2>\n<p>\u5b66\u751f\u5e38\u5e38\u6df7\u6dc6\u8fd9\u4e24\u79cd\u7ed3\u6784\u5173\u7cfb\u3002<\/p>\n<ul>\n<li><strong>\u5173\u8054\uff1a<\/strong>\u4e00\u79cd\u8f83\u5f3a\u7684\u5173\u7cfb\uff0c\u5bf9\u8c61\u5f7c\u6b64\u4e86\u89e3\u3002\u901a\u5e38\u662f\u53cc\u5411\u7684\u3002<\/li>\n<li><strong>\u4f9d\u8d56\uff1a<\/strong>\u4e00\u79cd\u8f83\u5f31\u7684\u5173\u7cfb\u3002\u4e00\u4e2a\u7c7b\u4e34\u65f6\u4f7f\u7528\u53e6\u4e00\u4e2a\u7c7b\uff08\u4f8b\u5982\u4f5c\u4e3a\u53c2\u6570\uff09\u3002\u5982\u679c\u53e6\u4e00\u4e2a\u7c7b\u53d1\u751f\u53d8\u5316\uff0c\u4f9d\u8d56\u7c7b\u53ef\u80fd\u4f1a\u51fa\u9519\u3002<\/li>\n<li><strong>\u7b26\u53f7\uff1a<\/strong>\u4f9d\u8d56\u5173\u7cfb\u7528\u4e00\u6761\u865a\u7ebf\u548c\u4e00\u4e2a\u5f00\u53e3\u7684\u7bad\u5934\u8868\u793a\uff0c\u7bad\u5934\u6307\u5411\u88ab\u4f7f\u7528\u7684\u7c7b\u3002<\/li>\n<\/ul>\n<h2>11. \u5982\u4f55\u5904\u7406\u5e26\u6709\u6570\u636e\u7c7b\u578b\u7684\u5c5e\u6027\uff1f \ud83e\uddee<\/h2>\n<p>\u5c5e\u6027\u5e94\u5305\u542b\u5176\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u786e\u4fdd\u5728\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5177\u5907\u7c7b\u578b\u5b89\u5168\u6027\u3002<\/p>\n<ul>\n<li><strong>\u683c\u5f0f\uff1a<\/strong>\u53ef\u89c1\u6027 \u540d\u79f0 : \u6570\u636e\u7c7b\u578b<\/li>\n<li><strong>\u793a\u4f8b\uff1a<\/strong> <code>- \u5e74\u9f84 : int<\/code>\u6216<code>+ \u540d\u79f0 : String<\/code><\/li>\n<li><strong>\u4f18\u52bf\uff1a<\/strong>\u660e\u786e\u53d8\u91cf\u9884\u671f\u7684\u8f93\u5165\u548c\u8f93\u51fa\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<h2>12. \u4e00\u4e2a\u7c7b\u53ef\u4ee5\u6709\u591a\u4e2a\u7236\u7c7b\u5417\uff1f \ud83d\udd04<\/h2>\n<p>\u8fd9\u6307\u7684\u662f\u7f16\u7a0b\u8bed\u8a00\u7684\u7ee7\u627f\u6a21\u578b\u3002<\/p>\n<ul>\n<li><strong>\u5355\u7ee7\u627f\uff1a<\/strong> \u4e00\u4e2a\u7c7b\u53ea\u80fd\u4ece\u4e00\u4e2a\u7236\u7c7b\u7ee7\u627f\u3002Java \u548c C# \u4e2d\u5e38\u89c1\u3002<\/li>\n<li><strong>\u591a\u91cd\u7ee7\u627f\uff1a<\/strong> \u4e00\u4e2a\u7c7b\u53ef\u4ee5\u4ece\u591a\u4e2a\u7236\u7c7b\u7ee7\u627f\u3002C++ \u4e2d\u5e38\u89c1\u3002\u7c7b\u56fe\u53ef\u4ee5\u8868\u793a\u8fd9\u79cd\u5173\u7cfb\uff0c\u4f46\u5e95\u5c42\u4ee3\u7801\u5fc5\u987b\u652f\u6301\u3002<\/li>\n<li><strong>\u6df7\u5165\uff08Mixins\uff09\uff1a<\/strong> \u67d0\u4e9b\u8bed\u8a00\u4e2d\u7684\u4e00\u79cd\u53d8\u901a\u65b9\u6cd5\uff0c\u53ef\u5728\u4e0d\u4f7f\u7528\u771f\u6b63\u7684\u591a\u91cd\u7ee7\u627f\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u7c7b\u4f3c\u6548\u679c\u3002<\/li>\n<\/ul>\n<h2>13. \u5173\u7cfb\u4e2d\u7684\u89d2\u8272\u540d\u79f0\u662f\u4ec0\u4e48\uff1f \ud83c\udff7\ufe0f<\/h2>\n<p>\u89d2\u8272\u540d\u79f0\u63cf\u8ff0\u4e86\u5bf9\u8c61\u5728\u7279\u5b9a\u5173\u7cfb\u4e2d\u6240\u626e\u6f14\u7684\u529f\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u6e05\u6670\u6027\uff1a<\/strong> \u5728\u201c<code>\u9a7e\u9a76\u5458<\/code>\u201d\u548c\u201c<code>\u6c7d\u8f66<\/code>\u201d\u4e4b\u95f4\u7684\u5173\u7cfb\u4e2d\uff0c\u9a7e\u9a76\u5458\u7684\u89d2\u8272\u53ef\u80fd\u662f\u201c\u64cd\u4f5c\u5458\u201d\u3002<\/li>\n<li><strong>\u53ef\u8bfb\u6027\uff1a<\/strong> \u5b83\u4eec\u4f7f\u56fe\u8868\u5bf9\u4eba\u7c7b\u6765\u8bf4\u66f4\u6613\u4e8e\u9605\u8bfb\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u673a\u5668\u3002<\/li>\n<li><strong>\u4f4d\u7f6e\uff1a<\/strong> \u5199\u5728\u8fde\u63a5\u7c7b\u7684\u7ebf\u9644\u8fd1\u3002<\/li>\n<\/ul>\n<h2>14. \u5982\u4f55\u8868\u793a\u9759\u6001\u6210\u5458\uff1f \ud83c\udfdb\ufe0f<\/h2>\n<p>\u9759\u6001\u6210\u5458\u5c5e\u4e8e\u7c7b\u672c\u8eab\uff0c\u800c\u4e0d\u662f\u7c7b\u7684\u5b9e\u4f8b\u3002<\/p>\n<ul>\n<li><strong>\u4e0b\u5212\u7ebf\uff1a<\/strong> \u5728UML\u4e2d\uff0c\u9759\u6001\u5c5e\u6027\u548c\u65b9\u6cd5\u7528\u4e0b\u5212\u7ebf\u8868\u793a\u3002<\/li>\n<li><strong>\u7528\u9014\uff1a<\/strong> \u7528\u4e8e\u5e38\u91cf\u6216\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u4e0d\u53d8\u7684\u5171\u4eab\u8d44\u6e90\u3002<\/li>\n<li><strong> \u793a\u4f8b\uff1a<\/strong> \u4e00\u4e2a <code>Math<\/code> \u7c7b\u53ef\u80fd\u6709\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5 <code>PI<\/code>.<\/li>\n<\/ul>\n<h2>15. \u4f55\u65f6\u5e94\u8be5\u521b\u5efa\u65b0\u7684\u7c7b\u56fe\uff1f \ud83d\udcc5<\/h2>\n<p>\u65f6\u673a\u5bf9\u4e8e\u6709\u6548\u5efa\u6a21\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u8bbe\u8ba1\u9636\u6bb5\uff1a<\/strong> \u5728\u7f16\u7801\u5f00\u59cb\u524d\u89c4\u5212\u7ed3\u6784\u3002<\/li>\n<li><strong>\u91cd\u6784\uff1a<\/strong> \u5f53\u73b0\u6709\u4ee3\u7801\u6df7\u4e71\u4e14\u9700\u8981\u91cd\u65b0\u7ec4\u7ec7\u65f6\u3002<\/li>\n<li><strong>\u5165\u804c\uff1a<\/strong> \u5f53\u65b0\u5f00\u53d1\u8005\u52a0\u5165\u9879\u76ee\u4ee5\u7406\u89e3\u4ee3\u7801\u5e93\u65f6\u3002<\/li>\n<li><strong>\u6587\u6863\uff1a<\/strong> \u7528\u4e8e\u5ba2\u6237\u6f14\u793a\uff0c\u4ee5\u53ef\u89c6\u5316\u7cfb\u7edf\u8303\u56f4\u3002<\/li>\n<\/ul>\n<h2>16. \u7c7b\u56fe\u4e0e\u987a\u5e8f\u56fe\u6709\u4f55\u4e0d\u540c\uff1f \ud83d\udcc9<\/h2>\n<p>\u7406\u89e3\u8fd9\u4e00\u533a\u522b\u53ef\u4ee5\u9632\u6b62\u5efa\u6a21\u9519\u8bef\u3002<\/p>\n<table>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u7c7b\u56fe<\/th>\n<th>\u987a\u5e8f\u56fe<\/th>\n<\/tr>\n<tr>\n<td>\u5173\u6ce8\u70b9<\/td>\n<td>\u7ed3\u6784\u4e0e\u72b6\u6001<\/td>\n<td>\u884c\u4e3a\u4e0e\u4ea4\u4e92<\/td>\n<\/tr>\n<tr>\n<td>\u65f6\u95f4<\/td>\n<td>\u9759\u6001<\/td>\n<td>\u52a8\u6001\uff08\u968f\u65f6\u95f4\u53d8\u5316\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u95ee\u9898<\/td>\n<td>\u7cfb\u7edf\u770b\u8d77\u6765\u662f\u4ec0\u4e48\u6837\u5b50\uff1f<\/td>\n<td>\u7cfb\u7edf\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/td>\n<\/tr>\n<\/table>\n<h2>17. \u5982\u4f55\u7ba1\u7406\u5305\u542b\u8bb8\u591a\u7c7b\u7684\u5927\u578b\u7cfb\u7edf\uff1f \ud83d\uddc2\ufe0f<\/h2>\n<p>\u5927\u578b\u9879\u76ee\u9700\u8981\u7ec4\u7ec7\u6027\uff0c\u4ee5\u907f\u514d\u6742\u4e71\u3002<\/p>\n<ul>\n<li><strong>\u5305\u56fe\uff1a<\/strong>\u5c06\u7c7b\u5206\u7ec4\u5230\u5305\u6216\u547d\u540d\u7a7a\u95f4\u4e2d\u3002<\/li>\n<li><strong>\u5b50\u7cfb\u7edf\uff1a<\/strong>\u5c06\u7cfb\u7edf\u5206\u89e3\u4e3a\u903b\u8f91\u6a21\u5757\u3002<\/li>\n<li><strong>\u63a5\u53e3\uff1a<\/strong>\u4f7f\u7528\u63a5\u53e3\u6765\u5b9a\u4e49\u5b50\u7cfb\u7edf\u4e4b\u95f4\u7684\u8fb9\u754c\u3002<\/li>\n<li><strong>\u89e3\u8026\uff1a<\/strong>\u5c3d\u91cf\u51cf\u5c11\u8fdc\u8ddd\u79bb\u5305\u4e4b\u95f4\u7684\u76f4\u63a5\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n<h2>18. \u5b66\u751f\u5e38\u72af\u7684\u9519\u8bef\u6709\u54ea\u4e9b\uff1f \ud83d\udeab<\/h2>\n<p>\u907f\u514d\u8fd9\u4e9b\u9677\u9631\uff0c\u4ee5\u786e\u4fdd\u4e13\u4e1a\u8d28\u91cf\u3002<\/p>\n<ul>\n<li><strong>\u7ec6\u8282\u8fc7\u591a\uff1a<\/strong>\u5305\u542b\u6bcf\u4e00\u4e2a\u65b9\u6cd5\u4f1a\u4f7f\u56fe\u8868\u6742\u4e71\u65e0\u7ae0\u3002\u5e94\u4e13\u6ce8\u4e8e\u9ad8\u5c42\u67b6\u6784\u3002<\/li>\n<li><strong>\u5ffd\u7565\u5173\u7cfb\uff1a<\/strong>\u5728\u6ca1\u6709\u8fde\u63a5\u7c7b\u7684\u60c5\u51b5\u4e0b\u7ed8\u5236\u7c7b\uff0c\u4f1a\u5ffd\u7565\u7cfb\u7edf\u7684\u6838\u5fc3\u8981\u70b9\u3002<\/li>\n<li><strong>\u547d\u540d\u4e0d\u4e00\u81f4\uff1a<\/strong>\u4f7f\u7528\u6df7\u5408\u7684\u547d\u540d\u7ea6\u5b9a\u4f1a\u4f7f\u56fe\u8868\u96be\u4ee5\u9605\u8bfb\u3002<\/li>\n<li><strong>\u6df7\u6dc6\u5c5e\u6027\u548c\u65b9\u6cd5\uff1a<\/strong>\u786e\u4fdd\u6570\u636e\u4f4d\u4e8e\u4e2d\u95f4\u90e8\u5206\uff0c\u903b\u8f91\u4f4d\u4e8e\u5e95\u90e8\u90e8\u5206\u3002<\/li>\n<\/ul>\n<h2>19. \u662f\u5426\u53ef\u4ee5\u5728\u6ca1\u6709\u4e13\u4e1a\u8f6f\u4ef6\u7684\u60c5\u51b5\u4e0b\u521b\u5efa\u7c7b\u56fe\uff1f \ud83d\udcdd<\/h2>\n<p>\u867d\u7136\u5de5\u5177\u6709\u5e2e\u52a9\uff0c\u4f46\u6982\u5ff5\u662f\u901a\u7528\u7684\u3002<\/p>\n<ul>\n<li><strong>\u7b14\u548c\u7eb8\uff1a<\/strong>\u975e\u5e38\u9002\u5408\u65e9\u671f\u7684\u5934\u8111\u98ce\u66b4\u4f1a\u8bae\u3002<\/li>\n<li><strong>\u767d\u677f\uff1a<\/strong>\u975e\u5e38\u9002\u5408\u56e2\u961f\u534f\u4f5c\u4f1a\u8bae\u3002<\/li>\n<li><strong>\u6587\u672c\u7f16\u8f91\u5668\uff1a<\/strong> \u4e00\u4e9b\u5f00\u53d1\u8005\u5728\u7ed8\u56fe\u524d\u4f7f\u7528\u4ee3\u7801\u6ce8\u91ca\u6765\u63cf\u8ff0\u7ed3\u6784\u3002<\/li>\n<li><strong>\u901a\u7528\u5de5\u5177\uff1a<\/strong> \u4efb\u4f55\u652f\u6301\u7ebf\u6761\u548c\u5f62\u72b6\u7684\u7ed8\u56fe\u5de5\u5177\u90fd\u8db3\u4ee5\u6ee1\u8db3\u57fa\u672c\u8349\u56fe\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2>20. 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