anchor.diff:  //ommit mutators and accessors 
   }
   ----
  -* One-To-Many
  -* Many-To-One
  -* Many-To-Many
  +* One-To-Many 1:N
  +Za pomoca kluczu obcego
  +
  +Za pomoca kluczu głównego
  +
  +* Many-To-One N:1
  +* Many-To-Many N:M
   
   == Object Equality and Identity
      
  
positive.code: }
  ----
  
  == Logowanie zdarzeń
  [source,xml]
  ----
  
negative.code: }
  ----
  
  == Opening a stateless session
  
  == Użycie annotacji Hibernate i JPA (podstawy)
  
  @Entity - annotation is defined by the JPA 2.0 specification to annotate an entity bean. An entity
  