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我正在尝试将 DataSet 转换为 java 对象。架构就像

root
 |-- deptId: long (nullable = true)
 |-- depNameName: string (nullable = true)
 |-- employee: array (nullable = true)
 |    |-- element: struct (containsNull = true)
 |    |    |-- firstName: string (nullable = true)
 |    |    |-- lastName: string (nullable = true)
 |    |    |-- phno: Long (nullable = true)
 |    |    |    |-- element: integer (containsNull = true)

我创建了 pojo 类 Like。

class Department {
  private Long deptId;
  private String depName;
  private List<Employee> employess; …