equals() generated by Eclipse: getOuterType()?

Question

I have simple class Point with two fields of type double. I asked Eclipse 3.6 to generate equals() and hashCode() for it. The eq

Answer 1

Well, if your class is an inner class (non-static nested class), it has an outer, enclosing instance. Two objects of an inner class type aren't really equal unless the enclosing instances are equal, too; the outer instance like a hidden field (usually named this$0 by javac).