With this implementation, the equals and hashCode test runs fine for all entity state transitions. The reason why it works is that the hashCode value does not change, hence, we can rely on the ...

Otherwise, no transient object is equal to any other transient or persisted object. That’s why the identifier equality check is done only if the current Object identifier is not null.","","With this ...

Learn how to implement the equals and hashCode methods in Java to ensure consistent and logical object equality in object-oriented design.

Objects in Object-Oriented languages such as Java are required to implement an equality predicate using the equals (Object) method in order to be compared with e ...