Attributes on Many-to-Many relationships (Hibernate)

Question

I have entity classes A and C. They are mapping the tables tblA and tblC and have a many-to-many relationship between them, with tblB to map between them. tblB contains A_ID

Answer 1

See

@ManyToMany Hibernate Question (can add extra field?)

And

how to make a composite primary key (java persistence annotation)

regards,