What are the differences between inner and static nested classes in Java?
Inner classes are associated with an instance of the outer class, while static nested classes are not.
Can you explain how they access the outer class's members?
Inner classes can access both static and instance members of the outer class, but static nested classes can only access static members.
Are there any performance implications between the two?
Yes, inner classes may have a slight overhead due to their association with the outer class instance, while static nested classes do not.
When should I use one over the other?
Use inner classes when you need to access instance members of the outer class, and static nested classes when you don't need that access.
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