Core Java · interview question
Which statement is true regarding the relationship between hashCode and equals?
Multiple choiceMediumchapter-4-curatedpremiumcore-javaequals-and-hashcode-in-collections
Answer and explanation
Correct answer
A. Equal objects must have the same hashCode.
Why
The general contract is that if two objects are equal according to the equals method, they must return the same hashCode. This ensures correct operation in hash-based collections.
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