Java Inner Class Final Parameters
When using inner classes, parameters must be prefixed with `final` unless the class doesn't use them. This ensures consistency and avoids confusing changes to original parameter values.
Introduction Recently, when I wrote some anonymous inner classes, I felt a little difficult to understand, so I reviewed this part again. I found some points that I didn't notice before - the formal parameters of the anonymous inner class must be prefixed with final (unless the anonymous inner class does not use it) So, how to understand the principle behind this matter? How inner classes work First, think about how inner classes work. We know that after the internal class is successfully compiled, it will generate a new class file. The class file only retains references to external...