I am learning Java and came across this problem. The problem statement is not much important here. While running the code I am getting an error. The code is class constructor1 { Public static void …
Tag: identifier
What are “connecting characters” in Java identifiers?
I am reading for SCJP and I have a question regarding this line: Identifiers must start with a letter, a currency character ($), or a connecting character such as the underscore ( _ ). Identifiers cannot start with a number! It states that a valid identifier name can start with a connecting character such as underscore. I thought underscores were
How to deep copy a Hibernate entity while using a newly generated entity identifier
I’m using a relational DB using a single column pk with a few nested tables. I need to add a simple archiving to my project. The archiving only happens when the application reaches a particular state, so what I was hoping to do was copy my existing hibernate object into a new instance where the new instance would be saved