Which of these changes can hurt deserialization?
Adding new instance variables to the class
Deleting an instance variable
Removing classes from the inheritance tree
Changing a non-transient instance variable to transient
Changing a class from Serializable to not Serializable
Adding classes to the inheritance tree can hurt deserialization
Changing the access level of an instance variable can hurt deserialization
Which of these changes to a class do NOT hurt deserialization?
Changing an instance variable from transient to non-transient
Changing an instance variable to static
