{"id":1095,"date":"2026-03-31T22:07:10","date_gmt":"2026-03-31T22:07:10","guid":{"rendered":"https:\/\/www.method-post.com\/tw\/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\/tw\/top-20-student-questions-class-diagrams-software-engineering\/","title":{"rendered":"Q&amp;A\uff1a\u89e3\u7b54\u5b78\u751f\u95dc\u65bc\u985e\u5716\u53ca\u5176\u5728\u8edf\u9ad4\u5de5\u7a0b\u4e2d\u89d2\u8272\u7684\u524d20\u500b\u5e38\u898b\u554f\u984c"},"content":{"rendered":"<p>\u8edf\u9ad4\u5de5\u7a0b\u9ad8\u5ea6\u4f9d\u8cf4\u8996\u89ba\u5316\u6a21\u578b\u4f86\u50b3\u9054\u8907\u96dc\u7684\u7cfb\u7d71\u7d50\u69cb\u3002\u5728\u7d71\u4e00\u6a21\u578b\u8a9e\u8a00\uff08UML\uff09\u6a19\u6e96\u4e2d\uff0c\u985e\u5716\u662f\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u7684\u57fa\u672c\u5de5\u5177\u3002\u5c0d\u65bc\u9032\u5165\u6b64\u9818\u57df\u7684\u5b78\u751f\u800c\u8a00\uff0c\u7406\u89e3\u9019\u4e9b\u5716\u8868\u4e26\u975e\u53ef\u6709\u53ef\u7121\uff0c\u800c\u662f\u6838\u5fc3\u80fd\u529b\u3002\u672c\u6307\u5357\u91dd\u5c0d\u985e\u5716\u7684\u5e38\u898b\u7591\u554f\u9032\u884c\u89e3\u7b54\uff0c\u91d0\u6e05\u5176\u69cb\u5efa\u65b9\u5f0f\u3001\u76ee\u7684\u4ee5\u53ca\u5728\u5be6\u969b\u5de5\u7a0b\u4e2d\u7684\u61c9\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\u9ebc\u662f\u985e\u5716\uff1f \ud83d\udcca<\/h2>\n<p>\u985e\u5716\u662f\u4e00\u7a2e\u975c\u614b\u7d50\u69cb\u5716\uff0c\u900f\u904e\u5c55\u793a\u7cfb\u7d71\u7684\u985e\u5225\u3001\u5c6c\u6027\u3001\u64cd\u4f5c\uff08\u6216\u65b9\u6cd5\uff09\u4ee5\u53ca\u7269\u4ef6\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u4f86\u63cf\u8ff0\u7cfb\u7d71\u7684\u7d50\u69cb\u3002\u5b83\u63d0\u4f9b\u4e86\u7cfb\u7d71\u67b6\u69cb\u7684\u85cd\u5716\u3002\u8207\u986f\u793a\u96a8\u6642\u9593\u6f14\u8b8a\u7684\u52d5\u614b\u884c\u70ba\u7684\u5e8f\u5217\u5716\u4e0d\u540c\uff0c\u985e\u5716\u8457\u91cd\u65bc\u7cfb\u7d71\u7684\u540d\u8a5e\uff08\u7269\u4ef6\uff09\uff0c\u800c\u975e\u52d5\u8a5e\uff08\u884c\u70ba\uff09\u3002<\/p>\n<ul>\n<li><strong>\u975c\u614b\u8996\u5716\uff1a<\/strong> \u5b83\u4ee3\u8868\u7cfb\u7d71\u5728\u67d0\u4e00\u7279\u5b9a\u6642\u523b\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u85cd\u5716\uff1a<\/strong> \u958b\u767c\u4eba\u54e1\u4f7f\u7528\u5b83\u4f86\u4ee5 Java\u3001C++ \u6216 Python \u7b49\u7a0b\u5f0f\u8a9e\u8a00\u5be6\u73fe\u7a0b\u5f0f\u78bc\u3002<\/li>\n<li><strong>\u6587\u4ef6\uff1a<\/strong> \u5b83\u4f5c\u70ba\u5718\u968a\u6210\u54e1\u7406\u89e3\u8cc7\u6599\u7d50\u69cb\u8207\u908f\u8f2f\u7684\u53c3\u8003\u4f9d\u64da\u3002<\/li>\n<\/ul>\n<h2>2. \u985e\u5225\u7684\u4e09\u500b\u4e3b\u8981\u5340\u584a\u662f\u4ec0\u9ebc\uff1f \ud83d\udce6<\/h2>\n<p>\u6a19\u6e96\u7684\u985e\u5716\u6703\u5c07\u6bcf\u500b\u985e\u5225\u5283\u5206\u70ba\u4e09\u500b\u660e\u78ba\u7684\u5340\u584a\uff0c\u4ee5\u6e05\u695a\u5730\u7d44\u7e54\u8cc7\u8a0a\u3002<\/p>\n<table>\n<tr>\n<th>\u5340\u584a<\/th>\n<th>\u5167\u5bb9<\/th>\n<\/tr>\n<tr>\n<td>\u540d\u7a31<\/td>\n<td>\u985e\u5225\u7684\u8b58\u5225\u7b26\u3002\u901a\u5e38\u5beb\u5728\u4e0a\u65b9\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5c6c\u6027<\/td>\n<td>\u985e\u5225\u6240\u64c1\u6709\u7684\u8b8a\u6578\u6216\u8cc7\u6599\u5c6c\u6027\u3002\u4f4d\u65bc\u4e2d\u9593\u5340\u584a\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u65b9\u6cd5<\/td>\n<td>\u985e\u5225\u53ef\u57f7\u884c\u7684\u529f\u80fd\u6216\u884c\u70ba\u3002\u4f4d\u65bc\u5e95\u90e8\u5340\u584a\u3002<\/td>\n<\/tr>\n<\/table>\n<h2>3. \u5982\u4f55\u5728\u985e\u5716\u4e2d\u8868\u793a\u53ef\u898b\u6027\uff1f \ud83d\udd12<\/h2>\n<p>\u53ef\u898b\u6027\u4fee\u98fe\u7b26\u63a7\u5236\u5916\u90e8\u985e\u5225\u5c0d\u985e\u5225\u6210\u54e1\u7684\u5b58\u53d6\u6b0a\u9650\u3002\u9019\u5c0d\u65bc\u5c01\u88dd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u516c\u958b (+)\uff1a<\/strong> \u53ef\u5f9e\u4efb\u4f55\u5176\u4ed6\u985e\u5225\u5b58\u53d6\u3002\u9019\u662f\u5b58\u53d6\u6b0a\u9650\u6700\u958b\u653e\u7684\u5c64\u7d1a\u3002<\/li>\n<li><strong>\u79c1\u6709 (-)\uff1a<\/strong> \u50c5\u53ef\u5728\u985e\u5225\u5167\u90e8\u5b58\u53d6\u3002\u8cc7\u6599\u5c0d\u5916\u90e8\u4e16\u754c\u96b1\u85cf\u3002<\/li>\n<li><strong>\u4fdd\u8b77 (#)\uff1a<\/strong> \u53ef\u5728\u985e\u5225\u53ca\u5176\u5b50\u985e\u5225\uff08\u7e7c\u627f\u5c64\u6b21\uff09\u4e2d\u5b58\u53d6\u3002<\/li>\n<li><strong>\u5957\u4ef6 (~)\uff1a<\/strong> \u53ef\u5728\u76f8\u540c\u5957\u4ef6\u6216\u547d\u540d\u7a7a\u9593\u4e2d\u5b58\u53d6\u3002<\/li>\n<\/ul>\n<h2>4. \u95dc\u806f\u8207\u805a\u5408\u4e4b\u9593\u6709\u4ec0\u9ebc\u5340\u5225\uff1f \ud83e\udde9<\/h2>\n<p>\u5169\u7a2e\u95dc\u4fc2\u90fd\u5c07\u985e\u9023\u7d50\u8d77\u4f86\uff0c\u4f46\u5b83\u5011\u5728\u6240\u6709\u6b0a\u548c\u751f\u547d\u9031\u671f\u4f9d\u8cf4\u6027\u65b9\u9762\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<ul>\n<li><strong>\u95dc\u806f\uff1a<\/strong> \u4e00\u7a2e\u4e00\u822c\u95dc\u4fc2\uff0c\u5176\u4e2d\u7269\u4ef6\u5f7c\u6b64\u9023\u7d50\u3002\u9019\u8868\u793a\u5f37\u70c8\u7684\u9023\u7d50\uff0c\u4f46\u4e0d\u4e00\u5b9a\u4ee3\u8868\u6240\u6709\u6b0a\u3002<\/li>\n<li><strong>\u805a\u5408\uff1a<\/strong> \u4e00\u7a2e\u7279\u6b8a\u985e\u578b\u7684\u95dc\u806f\uff0c\u4ee3\u8868\u300c\u6574\u9ad4-\u90e8\u5206\u300d\u95dc\u4fc2\uff0c\u5176\u4e2d\u90e8\u5206\u53ef\u4ee5\u7368\u7acb\u65bc\u6574\u9ad4\u5b58\u5728\u3002\u4f8b\u5982\uff0c\u4e00\u500b\u7cfb\u53ef\u4ee5\u5728\u6c92\u6709\u7279\u5b9a\u6559\u6388\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\u3002<\/li>\n<\/ul>\n<h2>5. \u4f55\u6642\u61c9\u4f7f\u7528\u7d44\u5408\u800c\u975e\u805a\u5408\uff1f \ud83c\udfd7\ufe0f<\/h2>\n<p>\u7d44\u5408\u662f\u805a\u5408\u7684\u4e00\u7a2e\u66f4\u5f37\u5f62\u5f0f\u3002\u5b83\u6697\u793a\u7368\u4f54\u6240\u6709\u6b0a\u548c\u56b4\u683c\u7684\u751f\u547d\u9031\u671f\u4f9d\u8cf4\u6027\u3002<\/p>\n<ul>\n<li><strong>\u6240\u6709\u6b0a\uff1a<\/strong> \u6574\u9ad4\u64c1\u6709\u90e8\u5206\u3002<\/li>\n<li><strong> \u751f\u547d\u9031\u671f\uff1a<\/strong> \u5982\u679c\u6574\u9ad4\u88ab\u92b7\u6bc0\uff0c\u90e8\u5206\u4e5f\u6703\u96a8\u4e4b\u88ab\u92b7\u6bc0\u3002\u4f8b\u5982\uff0c\u4e00\u68df\u623f\u5b50\u7531\u623f\u9593\u7d44\u6210\u3002\u5982\u679c\u623f\u5b50\u88ab\u62c6\u9664\uff0c\u9019\u4e9b\u623f\u9593\u5728\u8a72\u60c5\u5883\u4e0b\u5c31\u4e0d\u518d\u5b58\u5728\u3002<\/li>\n<li><strong>\u8996\u89ba\u7b26\u865f\uff1a<\/strong> \u5728\u7dda\u689d\u7684\u6574\u9ad4\u5074\u4f7f\u7528\u5be6\u5fc3\u83f1\u5f62\u3002<\/li>\n<\/ul>\n<h2>6. \u7e7c\u627f\u5728UML\u4e2d\u662f\u4ec0\u9ebc\u6a23\u5b50\uff1f \ud83c\udf33<\/h2>\n<p>\u7e7c\u627f\u5141\u8a31\u4e00\u500b\u65b0\u985e\u63a1\u7528\u73fe\u6709\u985e\u7684\u5c6c\u6027\u548c\u884c\u70ba\u3002\u9019\u652f\u63f4\u7a0b\u5f0f\u78bc\u91cd\u7528\u548c\u5c64\u6b21\u7d50\u69cb\u3002<\/p>\n<ul>\n<li><strong>\u7b26\u865f\u8868\u793a\uff1a<\/strong> \u4e00\u689d\u5be6\u7dda\uff0c\u642d\u914d\u4e00\u500b\u7a7a\u5fc3\u4e09\u89d2\u5f62\u7bad\u982d\uff0c\u6307\u5411\u7236\u985e\u3002<\/li>\n<li><strong>\u8853\u8a9e\uff1a<\/strong> \u5b50\u985e\u901a\u5e38\u7a31\u70ba\u5b50\u985e\u5225\u6216\u884d\u751f\u985e\u5225\uff1b\u7236\u985e\u5247\u7a31\u70ba\u8d85\u985e\u5225\u6216\u57fa\u5e95\u985e\u5225\u3002<\/li>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u4e00\u500b <code>Vehicle<\/code> \u985e\u5225\u53ef\u4ee5\u662f <code>Car<\/code> \u548c <code>Truck<\/code> \u5b50\u985e\u5225\u3002<\/li>\n<\/ul>\n<h2>7. \u4ecb\u9762\u5728\u985e\u5716\u4e2d\u662f\u5982\u4f55\u8868\u793a\u7684\uff1f \u26a1<\/h2>\n<p>\u4ecb\u9762\u5b9a\u7fa9\u4e86\u884c\u70ba\u7684\u5408\u7d04\uff0c\u4f46\u4e0d\u5305\u542b\u5be6\u73fe\u3002\u5b83\u5011\u5c0d\u65bc\u591a\u614b\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u540d\u7a31\uff1a<\/strong>\u901a\u5e38\u4ee5 &lt;&lt;interface&gt;&gt; \u70ba\u524d\u7db4\u3002<\/li>\n<li><strong>\u95dc\u4fc2\uff1a<\/strong> \u4e00\u500b\u985e\u5225\u300c\u5be6\u4f5c\u300d\u4ecb\u9762\uff0c\u901a\u5e38\u4ee5\u865b\u7dda\u642d\u914d\u7a7a\u5fc3\u4e09\u89d2\u7bad\u982d\u8868\u793a\u3002<\/li>\n<li><strong>\u76ee\u7684\uff1a<\/strong> \u5141\u8a31\u4e0d\u540c\u7684\u985e\u5225\u5be6\u4f5c\u76f8\u540c\u7684\u65b9\u6cd5\u96c6\u5408\uff0c\u540c\u6642\u64c1\u6709\u4e0d\u540c\u7684\u5167\u90e8\u908f\u8f2f\u3002<\/li>\n<\/ul>\n<h2>8. \u4ec0\u9ebc\u662f\u62bd\u8c61\u985e\u5225\uff1f\u5b83\u5982\u4f55\u8868\u793a\uff1f \ud83d\udd75\ufe0f<\/h2>\n<p>\u62bd\u8c61\u985e\u5225\u7121\u6cd5\u76f4\u63a5\u5be6\u4f8b\u5316\uff0c\u5b83\u4f5c\u70ba\u5176\u4ed6\u985e\u5225\u7684\u7bc4\u672c\u3002<\/p>\n<ul>\n<li><strong>\u6587\u5b57\uff1a<\/strong> \u985e\u5225\u540d\u7a31\u901a\u5e38\u4ee5\u659c\u9ad4\u66f8\u5beb\u3002<\/li>\n<li><strong>\u9650\u5236\uff1a<\/strong> \u5b83\u53ef\u80fd\u5305\u542b\u62bd\u8c61\u65b9\u6cd5\uff08\u6c92\u6709\u4e3b\u9ad4\u7684\u65b9\u6cd5\uff09\uff0c\u5b50\u985e\u5225\u5fc5\u9808\u5be6\u4f5c\u9019\u4e9b\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u7528\u9014\uff1a<\/strong> \u7576\u9700\u8981\u70ba\u4e00\u7d44\u76f8\u95dc\u7269\u4ef6\u5b9a\u7fa9\u5171\u540c\u529f\u80fd\u6642\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2>9. \u4ec0\u9ebc\u662f\u591a\u91cd\u6027\uff1f\u5b83\u70ba\u4ec0\u9ebc\u91cd\u8981\uff1f \ud83d\udd22<\/h2>\n<p>\u591a\u91cd\u6027\u5b9a\u7fa9\u4e86\u4e00\u500b\u985e\u5225\u6709\u591a\u5c11\u500b\u5be6\u4f8b\u53c3\u8207\u95dc\u4fc2\u3002\u5b83\u80fd\u907f\u514d\u7cfb\u7d71\u8a2d\u8a08\u4e2d\u7684\u6a21\u7cca\u6027\u3002<\/p>\n<ul>\n<li><strong>1:<\/strong> \u50c5\u6709\u4e00\u500b\u5be6\u4f8b\u3002<\/li>\n<li><strong>0..1:<\/strong> \u96f6\u500b\u6216\u4e00\u500b\u5be6\u4f8b\uff08\u53ef\u9078\uff09\u3002<\/li>\n<li><strong>1..*:<\/strong> \u4e00\u500b\u6216\u66f4\u591a\u5be6\u4f8b\u3002<\/li>\n<li><strong>0..*:<\/strong> \u96f6\u500b\u6216\u66f4\u591a\u5be6\u4f8b\uff08\u53ef\u9078\u96c6\u5408\uff09\u3002<\/li>\n<\/ul>\n<h2>10. \u4f9d\u8cf4\u8207\u95dc\u806f\u4e4b\u9593\u7684\u5dee\u5225\u662f\u4ec0\u9ebc\uff1f \ud83d\udd17<\/h2>\n<p>\u5b78\u751f\u7d93\u5e38\u6df7\u6dc6\u9019\u5169\u7a2e\u7d50\u69cb\u6027\u95dc\u4fc2\u3002<\/p>\n<ul>\n<li><strong>\u95dc\u806f\uff1a<\/strong> \u4e00\u7a2e\u8f03\u5f37\u7684\u95dc\u4fc2\uff0c\u7269\u4ef6\u5f7c\u6b64\u77e5\u9053\u5c0d\u65b9\u7684\u5b58\u5728\u3002\u901a\u5e38\u70ba\u96d9\u5411\u3002<\/li>\n<li><strong>\u4f9d\u8cf4\uff1a<\/strong> \u4e00\u7a2e\u8f03\u5f31\u7684\u95dc\u4fc2\u3002\u4e00\u500b\u985e\u5225\u66ab\u6642\u4f7f\u7528\u53e6\u4e00\u500b\u985e\u5225\uff08\u4f8b\u5982\u4f5c\u70ba\u53c3\u6578\uff09\u3002\u5982\u679c\u53e6\u4e00\u500b\u985e\u5225\u6539\u8b8a\uff0c\u4f9d\u8cf4\u7684\u985e\u5225\u53ef\u80fd\u6703\u5931\u6548\u3002<\/li>\n<li><strong>\u7b26\u865f\uff1a<\/strong>\u4f9d\u8cf4\u95dc\u4fc2\u662f\u4ee5\u865b\u7dda\u52a0\u958b\u53e3\u7bad\u982d\u6307\u5411\u88ab\u4f7f\u7528\u7684\u985e\u5225\u3002<\/li>\n<\/ul>\n<h2>11. \u5982\u4f55\u8655\u7406\u5177\u6709\u8cc7\u6599\u985e\u578b\u7684\u5c6c\u6027\uff1f \ud83e\uddee<\/h2>\n<p>\u5c6c\u6027\u61c9\u5305\u542b\u5176\u8cc7\u6599\u985e\u578b\uff0c\u4ee5\u78ba\u4fdd\u5be6\u4f5c\u904e\u7a0b\u4e2d\u7684\u985e\u578b\u5b89\u5168\u6027\u3002<\/p>\n<ul>\n<li><strong>\u683c\u5f0f\uff1a<\/strong>\u5b58\u53d6\u6b0a\u9650 \u540d\u7a31 : \u8cc7\u6599\u985e\u578b<\/li>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> <code>- \u5e74\u9f61 : int<\/code> \u6216 <code>+ \u540d\u7a31 : String<\/code><\/li>\n<li><strong>\u512a\u9ede\uff1a<\/strong>\u660e\u78ba\u6307\u51fa\u8b8a\u6578\u9810\u671f\u7684\u8f38\u5165\u8207\u8f38\u51fa\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<h2>12. \u985e\u5225\u80fd\u5426\u64c1\u6709\u591a\u4e2a\u7236\u985e\u5225\uff1f \ud83d\udd04<\/h2>\n<p>\u9019\u6307\u7684\u662f\u7a0b\u5f0f\u8a9e\u8a00\u7684\u7e7c\u627f\u6a21\u578b\u3002<\/p>\n<ul>\n<li><strong>\u55ae\u4e00\u7e7c\u627f\uff1a<\/strong> \u985e\u5225\u50c5\u5f9e\u4e00\u500b\u7236\u985e\u5225\u7e7c\u627f\u3002\u5e38\u898b\u65bc Java \u548c C#\u3002<\/li>\n<li><strong>\u591a\u91cd\u7e7c\u627f\uff1a<\/strong> \u985e\u5225\u5f9e\u591a\u500b\u7236\u985e\u5225\u7e7c\u627f\u3002\u5e38\u898b\u65bc C++\u3002\u985e\u5225\u5716\u53ef\u4ee5\u986f\u793a\u6b64\u60c5\u6cc1\uff0c\u4f46\u5e95\u5c64\u7a0b\u5f0f\u78bc\u5fc5\u9808\u652f\u63f4\u3002<\/li>\n<li><strong>\u6df7\u5165\uff08Mixins\uff09\uff1a<\/strong> \u67d0\u4e9b\u8a9e\u8a00\u4e2d\u7684\u4e00\u7a2e\u8b8a\u901a\u65b9\u6cd5\uff0c\u53ef\u5728\u4e0d\u4f7f\u7528\u771f\u6b63\u591a\u91cd\u7e7c\u627f\u7684\u60c5\u6cc1\u4e0b\u9054\u5230\u985e\u4f3c\u6548\u679c\u3002<\/li>\n<\/ul>\n<h2>13. \u95dc\u4fc2\u4e2d\u7684\u89d2\u8272\u540d\u7a31\u662f\u4ec0\u9ebc\uff1f \ud83c\udff7\ufe0f<\/h2>\n<p>\u89d2\u8272\u540d\u7a31\u63cf\u8ff0\u7269\u4ef6\u5728\u7279\u5b9a\u95dc\u4fc2\u4e2d\u6240\u626e\u6f14\u7684\u529f\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u6e05\u6670\u6027\uff1a<\/strong> \u5728\u300c<code>\u99d5\u99db\u54e1<\/code>\u300d\u8207\u300c<code>\u6c7d\u8eca<\/code>\u300d\u4e4b\u9593\u7684\u95dc\u4fc2\u4e2d\uff0c\u99d5\u99db\u54e1\u7684\u89d2\u8272\u53ef\u80fd\u662f\u300c\u64cd\u4f5c\u8005\u300d\u3002<\/li>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong> \u5b83\u5011\u8b93\u5716\u8868\u5c0d\u4eba\u985e\u800c\u8a00\u66f4\u5bb9\u6613\u95b1\u8b80\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u6a5f\u5668\u3002<\/li>\n<li><strong>\u653e\u7f6e\uff1a<\/strong> \u5beb\u5728\u9023\u63a5\u985e\u5225\u7684\u7dda\u9644\u8fd1\u3002<\/li>\n<\/ul>\n<h2>14. \u5982\u4f55\u8868\u793a\u975c\u614b\u6210\u54e1\uff1f \ud83c\udfdb\ufe0f<\/h2>\n<p>\u975c\u614b\u6210\u54e1\u5c6c\u65bc\u985e\u672c\u8eab\uff0c\u800c\u975e\u985e\u7684\u5be6\u4f8b\u3002<\/p>\n<ul>\n<li><strong>\u5e95\u7dda\uff1a<\/strong> \u5728UML\u4e2d\uff0c\u975c\u614b\u5c6c\u6027\u548c\u65b9\u6cd5\u6703\u52a0\u4e0a\u5e95\u7dda\u3002<\/li>\n<li><strong>\u7528\u9014\uff1a<\/strong> \u7528\u65bc\u5e38\u6578\u6216\u5171\u4eab\u8cc7\u6e90\uff0c\u9019\u4e9b\u8cc7\u6e90\u4e0d\u96a8\u5be6\u4f8b\u800c\u8b8a\u5316\u3002<\/li>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u4e00\u500b <code>Math<\/code> \u985e\u5225\u53ef\u80fd\u64c1\u6709\u4e00\u500b\u975c\u614b\u65b9\u6cd5 <code>PI<\/code>.<\/li>\n<\/ul>\n<h2>15. \u4f55\u6642\u61c9\u8a72\u5efa\u7acb\u65b0\u7684\u985e\u5225\u5716\uff1f \ud83d\udcc5<\/h2>\n<p>\u6642\u6a5f\u5c0d\u65bc\u6709\u6548\u5efa\u6a21\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u8a2d\u8a08\u968e\u6bb5\uff1a<\/strong> \u5728\u7a0b\u5f0f\u78bc\u64b0\u5beb\u958b\u59cb\u524d\uff0c\u7528\u4f86\u898f\u5283\u7d50\u69cb\u3002<\/li>\n<li><strong>\u91cd\u69cb\uff1a<\/strong> \u7576\u73fe\u6709\u7684\u7a0b\u5f0f\u78bc\u6df7\u4e82\u4e14\u9700\u8981\u91cd\u65b0\u7d44\u7e54\u6642\u3002<\/li>\n<li><strong>\u5165\u8077\u8a13\u7df4\uff1a<\/strong> \u7576\u65b0\u958b\u767c\u4eba\u54e1\u52a0\u5165\u5c08\u6848\u4ee5\u4e86\u89e3\u7a0b\u5f0f\u78bc\u5eab\u6642\u3002<\/li>\n<li><strong>\u6587\u4ef6\u7de8\u88fd\uff1a<\/strong> \u7528\u65bc\u5ba2\u6236\u7c21\u5831\uff0c\u4ee5\u8996\u89ba\u5316\u7cfb\u7d71\u7bc4\u570d\u3002<\/li>\n<\/ul>\n<h2>16. \u985e\u5225\u5716\u8207\u5e8f\u5217\u5716\u6709\u4f55\u4e0d\u540c\uff1f \ud83d\udcc9<\/h2>\n<p>\u4e86\u89e3\u5169\u8005\u7684\u5dee\u7570\u53ef\u907f\u514d\u5efa\u6a21\u932f\u8aa4\u3002<\/p>\n<table>\n<tr>\n<th>\u529f\u80fd<\/th>\n<th>\u985e\u5225\u5716<\/th>\n<th>\u5e8f\u5217\u5716<\/th>\n<\/tr>\n<tr>\n<td>\u91cd\u9ede<\/td>\n<td>\u7d50\u69cb\u8207\u72c0\u614b<\/td>\n<td>\u884c\u70ba\u8207\u4e92\u52d5<\/td>\n<\/tr>\n<tr>\n<td>\u6642\u9593<\/td>\n<td>\u975c\u614b<\/td>\n<td>\u52d5\u614b\uff08\u96a8\u6642\u9593\u8b8a\u5316\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u554f\u984c<\/td>\n<td>\u7cfb\u7d71\u9577\u4ec0\u9ebc\u6a23\u5b50\uff1f<\/td>\n<td>\u7cfb\u7d71\u662f\u5982\u4f55\u904b\u4f5c\u7684\uff1f<\/td>\n<\/tr>\n<\/table>\n<h2>17. \u5982\u4f55\u7ba1\u7406\u64c1\u6709\u8a31\u591a\u985e\u5225\u7684\u5927\u578b\u7cfb\u7d71\uff1f \ud83d\uddc2\ufe0f<\/h2>\n<p>\u5927\u578b\u5c08\u6848\u9700\u8981\u826f\u597d\u7684\u7d44\u7e54\uff0c\u4ee5\u907f\u514d\u6df7\u4e82\u3002<\/p>\n<ul>\n<li><strong>\u5957\u4ef6\u5716\uff1a<\/strong>\u5c07\u985e\u5225\u5206\u7d44\u70ba\u5957\u4ef6\u6216\u547d\u540d\u7a7a\u9593\u3002<\/li>\n<li><strong>\u5b50\u7cfb\u7d71\uff1a<\/strong>\u5c07\u7cfb\u7d71\u62c6\u5206\u6210\u908f\u8f2f\u6a21\u7d44\u3002<\/li>\n<li><strong>\u4ecb\u9762\uff1a<\/strong>\u4f7f\u7528\u4ecb\u9762\u4f86\u5b9a\u7fa9\u5b50\u7cfb\u7d71\u4e4b\u9593\u7684\u754c\u9650\u3002<\/li>\n<li><strong>\u89e3\u8026\uff1a<\/strong>\u76e1\u91cf\u6e1b\u5c11\u9060\u8ddd\u96e2\u5957\u4ef6\u4e4b\u9593\u7684\u76f4\u63a5\u4f9d\u8cf4\u3002<\/li>\n<\/ul>\n<h2>18. \u5b78\u751f\u5e38\u72af\u7684\u932f\u8aa4\u6709\u54ea\u4e9b\uff1f \ud83d\udeab<\/h2>\n<p>\u907f\u514d\u9019\u4e9b\u9677\u9631\uff0c\u4ee5\u78ba\u4fdd\u5c08\u696d\u54c1\u8cea\u3002<\/p>\n<ul>\n<li><strong>\u7d30\u7bc0\u904e\u591a\uff1a<\/strong>\u5305\u542b\u6bcf\u4e00\u9805\u65b9\u6cd5\u6703\u4f7f\u5716\u8868\u6df7\u4e82\u3002\u61c9\u8457\u91cd\u65bc\u9ad8\u968e\u67b6\u69cb\u3002<\/li>\n<li><strong>\u5ffd\u7565\u95dc\u4fc2\uff1a<\/strong>\u7e6a\u88fd\u985e\u5225\u537b\u4e0d\u52a0\u4ee5\u9023\u7d50\uff0c\u5c31\u932f\u5931\u4e86\u7cfb\u7d71\u7684\u91cd\u9ede\u3002<\/li>\n<li><strong>\u547d\u540d\u4e0d\u4e00\u81f4\uff1a<\/strong>\u4f7f\u7528\u6df7\u5408\u7684\u547d\u540d\u6163\u4f8b\u6703\u8b93\u5716\u8868\u96e3\u4ee5\u95b1\u8b80\u3002<\/li>\n<li><strong>\u6df7\u6dc6\u5c6c\u6027\u548c\u65b9\u6cd5\uff1a<\/strong>\u78ba\u4fdd\u8cc7\u6599\u4f4d\u65bc\u4e2d\u9593\u90e8\u5206\uff0c\u908f\u8f2f\u4f4d\u65bc\u5e95\u90e8\u90e8\u5206\u3002<\/li>\n<\/ul>\n<h2>19. \u662f\u5426\u53ef\u4ee5\u5728\u6c92\u6709\u5c08\u696d\u8edf\u9ad4\u7684\u60c5\u6cc1\u4e0b\u5efa\u7acb\u985e\u5225\u5716\uff1f \ud83d\udcdd<\/h2>\n<p>\u96d6\u7136\u5de5\u5177\u6709\u5e6b\u52a9\uff0c\u4f46\u6982\u5ff5\u662f\u666e\u904d\u9069\u7528\u7684\u3002<\/p>\n<ul>\n<li><strong>\u7b46\u548c\u7d19\uff1a<\/strong>\u975e\u5e38\u9069\u5408\u65e9\u671f\u7684\u8166\u529b\u6fc0\u76ea\u6703\u8b70\u3002<\/li>\n<li><strong>\u767d\u677f\uff1a<\/strong>\u975e\u5e38\u9069\u5408\u5718\u968a\u5408\u4f5c\u7684\u6703\u8b70\u3002<\/li>\n<li><strong>\u6587\u5b57\u7de8\u8f2f\u5668\uff1a<\/strong> \u6709\u4e9b\u958b\u767c\u4eba\u54e1\u6703\u5728\u7e6a\u88fd\u4e4b\u524d\uff0c\u4f7f\u7528\u7a0b\u5f0f\u78bc\u8a3b\u89e3\u4f86\u63cf\u8ff0\u7d50\u69cb\u3002<\/li>\n<li><strong>\u901a\u7528\u5de5\u5177\uff1a<\/strong> \u4efb\u4f55\u652f\u63f4\u7dda\u689d\u548c\u5f62\u72c0\u7684\u7e6a\u5716\u5de5\u5177\uff0c\u90fd\u8db3\u4ee5\u61c9\u4ed8\u57fa\u672c\u8349\u5716\u3002<\/li>\n<\/ul>\n<h2>20. 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