Difference Between One-to-Many, Many-to-One and Many-to-Many?

Question

Ok so this is probably a trivial question but I\'m having trouble visualizing and understanding the differences and when to use each. I\'m also a little unclear as to how co

Answer 1

I would explain that way:

OneToOne - OneToOne relationship

@OneToOne
Person person;

@OneToOne
Nose nose;

OneToMany - ManyToOne relationship

@OneToMany
Shepherd> shepherd;

@ManyToOne
List sheeps;

ManyToMany - ManyToMany relationship

@ManyToMany
List travelers;

@ManyToMany
List destinations;