Question: What must be true about valid equals ( ) and hashCode ( ) methods? ( Read symbol = > below as implies that

What must be true about valid equals() and hashCode() methods?
(Read symbol "=>" below as "implies that")
o1.equals(o2) implies that o1.hashCode()==02.hashCode()
hashCode ()==02. hashCode => o1.equals(o2)
!o1.equals(o2) implies that o1.hashCode()!= o2.hashCode()
o1. hashCode()!= o2.hashCode()=>!o1.equals(o2)
hashCode must have a low collision rate for the hash table to work correctly
What must be true about valid equals ( ) and

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