Java Interview Questions · interview question
In Java, which comparison about StringBuilder vs StringBuffer is accurate?
Multiple choiceEasyjava-interview-2026interviewjavacomparison
Answer and explanation
Correct answer
A. StringBuilder is typically preferred in single-threaded code, while StringBuffer exists for legacy synchronized use cases.
Why
StringBuilder is typically preferred in single-threaded code, while StringBuffer exists for legacy synchronized use cases. This is the comparison that usually separates memorization from understanding.
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