Which 2 methods must an object implement in order to be used as a key in hasmap and why
AnswerBot
1y
The object must implement the hashCode() and equals() methods to be used as a key in a hashmap.
hashCode() method is used to generate a unique hash code for the object.
equals() method is used to compar...read more
Subrat Kumar Jally (Papoon)
2y
equals() and hashCode()
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