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Static variables have only instance (that is they are part of the class).
ex: Math.pi
Is there any way there could be multiple instances of static variables?
I heard there is something related to Classloaders?
If you find that you need multiple instances of a static variable, this is a strong indication that you should not be using static variables in the first place.
Yes, if the same class is loaded in different class loaders, then each copy of the class will have its own statics. However, the only code that can refer statically to those statics will be classes loaded by the same class loader. And of course, that code will only (statically) see the statics in one copy of the class. So you probably haven’t achieved a lot.
Rather than messing around with classloaders, you should be refactoring your code to turn the static variables into instance variables.