What's the advantage of making an inner class as static with Java?

Question

I have an inner class in my Java class.

When I run find bugs, it recom

Answer 1

Benefits of static inner classes:

1. Instantiation of static inner class does not rely on external class guidance, and the memory overhead of instantiation.
2. Static inner class does not hold external class guidance, does not affect the collection of external class, to avoid the extension of the external class in memory survival time leading to memory leakage.