Java: equals and hashCode in Collections

What role does equals play in a HashSet?

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Java: equals and hashCode in Collections

How does object mutation affect HashMap keys?

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Java: equals and hashCode in Collections

Why are equals and hashCode important in Java collections?

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Java: equals and hashCode in Collections

What happens if equals and hashCode are inconsistent?

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Java: equals and hashCode in Collections

Why do `HashSet` and `HashMap` care about `equals` and `hashCode`?

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