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|Java - Interview Questions and Answers|
|Ans. Yes its useless if we are not going to use its objects within Hash collection, For example - HashSet , HashMap. HashCode is used internally by these collections for Search.|
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  hashcode  hash collections  search|
|Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object?|
|Write a class and override the equals and hashcode method ?|
|How many threads can access a concurrent hashmap when the hashcode is overridden and always returns a zero.|