Hibernate: Cascade Type

Question

Let\'s I have entity A and entity B. Entity A have @OneToOne relationship with B.
I want do next:
if

Answer 1

If Class A has Class B then CascadeType.ALL will be appiled on B. then

Public Class A
{
  Private B b;
  @OneToOne(cascade = CascadeType.ALL)   
  public B getB() {       
    return this.b;   
   }     
  public void B(B b) {         
    this.b = b;   
  }
}

for more read this example