Why Must We Override BOTH equals() and hashCode()? | HashSet Interview Trap
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Why Must We Override BOTH equals() and hashCode()? | HashSet Interview Trap
🚀 Java Interview Series - Day 2 Most Java developers know they should override equals() and hashCode(). But very few understand WHY both are required together. In this video, you'll learn: How HashSet actually stores objects Why two objects with the same data can still be treated as different Why contains() sometimes returns false ...
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