{"id":205213,"date":"2025-05-29T16:03:35","date_gmt":"2025-05-29T08:03:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205213\/"},"modified":"2025-05-29T16:03:35","modified_gmt":"2025-05-29T08:03:35","slug":"%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b%e4%b8%ad%ef%bc%9a%e7%bb%84%e5%90%88%e4%b8%8e%e8%81%9a%e5%90%88%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e7%b1%bb%e5%b1%9e%e6%80%a7%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205213\/","title":{"rendered":"\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff1a\u7ec4\u5408\u4e0e\u805a\u5408\u5982\u4f55\u901a\u8fc7\u7c7b\u5c5e\u6027\u5b9e\u73b0\uff1f"},"content":{"rendered":"

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<\/p>\n

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\u7ec4\u5408<\/strong><\/p>\n

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\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u6c7d\u8f66\u7c7b\u4e2d\uff0c\u5f15\u64ce\u662f\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2aengine\u5b9e\u4f8b\u4f5c\u4e3acar\u7c7b\u7684\u5c5e\u6027\u6765\u5b9e\u73b0\u7ec4\u5408\uff1a<\/p>\n

public class car {\n  private engine engine;\n\n  \/\/\u6784\u9020\u5668\u521d\u59cb\u5316\u5f15\u64ce\n  public car() {\n    this.engine = new engine();\n  }\n\n  \/\/\u542f\u52a8\u53d1\u52a8\u673a\n  public void startengine() {\n    engine.start();\n  }\n}<\/pre>\n
\u805a\u5408<\/strong><\/p>\n
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public class Department {\n  private List<Employee> employees;\n\n  \/\/\u521d\u59cb\u5316\u5458\u5de5\u5217\u8868\n  public Department() {\n    this.employees = new ArrayList<>();\n  }\n\n  \/\/\u6dfb\u52a0\u5458\u5de5\n  public void addEmployee(Employee employee) {\n    employees.add(employee);\n  }\n\n  \/\/\u83b7\u53d6\u5458\u5de5\u5217\u8868\n  public List<Employee> getEmployees() {\n    return employees;\n  }\n}<\/pre>\n
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