Test of equality (equals and hash code method)

Question

As per the below link

Hashcode and equals

So it is assumed that if 2 objects are equal (that is, equals() returns true), then their hashCodes() must retu

Answer 1

It is bad implementation of hashCode() , You should follow that contract.

equals has nothing to do with hashcode independently.

But when you use hashing data structure you should must follow this thing.