Answer
Equality operator: Checks logical equality when overridden.
Reference equality: Checks if two references point to the same object instance.
Quick Answer
For reference types, == by default checks if two variables point to the same object in memory. object.ReferenceEquals() always does this. But classes can override == and Equals() to compare by content. String does exactly this — two different string objects with the same text are ==.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ