'@实体@表（name ="student"）公共类学生{

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "id")
private int id;

@Column(name = "first_name")
private String firstName;

@Column(name = "last_name")
private String lastName;

@Column(name = "email")
private String email;

@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name = "student_detail_id")
private StudentDetail studentDetail;

public Student() {}

//获取器设置器'
'@实体@表（名称="学生明细"）公共类学生明细{

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "id")
private int id;

@Column(name = "college")
private String college;

@Column(name = "no_of_problems_solved")
private int noOfProblemsSolved;

public StudentDetail() {}
@Column(name = "college")
private String college;

@Column(name = "no_of_problems_solved")
private int noOfProblemsSolved;

public StudentDetail() {}``

你能告诉为什么一对一双向Map不工作吗