当在Java中重写等于时，为什么不使用对象之外的参数呢?

I ran into an interesting behavior recently. It seems that if I override .equals() to take a parameter other than Object, it doesn't get called. Can anyone explain to me why this is happening? It seems to violate my understanding of polymorphism in OOP, but maybe I'm missing something.I ran into an interesting behavior recently. It