我有许多与我有联系的实体。
我愿向用户介绍“学生”名单,如果使用者选择学生,则显示他的教师。
相反,使用者可以选择看看教师名单,他/她可以选择一名教师,看看教师教授的所有学生。
我期待着有一个支薪收集班(在第三党内建造的java)来代表这种数据,以便我能够向教师提出基于学生或反之亦然的询问。
Bidi地图相当接近,但执行1:1关系。 我有许多关系。
任何杂质?
i 认为你没有地图。 最简单的办法是创建学生班和教师班。 这两种方法都可以采用补充教师(教师)/补充学生(学生)等方法。 因此,每个学生都知道教师,每个教师都知道学生。
Does this not suffice?
Map<Student, Set<Teacher>> studentsToTeachers;
Map<Teacher, Set<Student>> teachersToStudents;
这不是一份单一的文件,但如果你执行得当,就会解决你的问题。
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