I have 2 Java JVM's that are sending/receiving Java objects

this means I need the Jar on my machines

on JVM #1 I have

public class Daily implements Serializable {
   private static final long serialVersionUID = 1L;
   <3 other fields>
   
   
on JVM #2 I have

public class Daily implements Serializable {
   private static final long serialVersionUID = 1L;
   <3 other fields>
   
Notice both machine have the same version (the same class definition)


---------------------------------------

6 month later, I need to change the class and add a new field

on JVM #1 I have

public class Daily implements Serializable {
   private static final long serialVersionUID = 2L;  <- I should change this
   <4 other fields>  <- add a field
   
   
on JVM #2 I have

public class Daily implements Serializable {
   private static final long serialVersionUID = 1L;
   <3 other fields>


Now when JVM #2 gets a serialized object of this class I will get
a VersionMismatchException and I will NOT get stange results due to added/removed fields