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Java Interview Question You MUST Know! Never return the same constant hashCode() — this is a common Java interview trap ...

DESCRIPTION* Explore the crucial `hashCode()` and `equals()` contract in Java. Learn why if two objects are equal, they *must* ...

Object class: The Object class is the supermost class in Java. Every class in Java implicitly extends the Object class, and it ...

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Записаться на мок-интервью в ШОРТКАТ: https://shortcut.education To add an element to a HashSet, you need to implement the ...