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TCS
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I applied via Approached by Company and was interviewed in Jan 2023. There were 3 interview rounds.
I applied via Company Website and was interviewed before Oct 2021. There were 5 interview rounds.
Basic Aptitude with some difficult questions
3 set of coding question were asked 1 easy ,1 medium ,1 hard
I applied via Referral and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
String is immutable, StringBuffer is mutable.
String is a sequence of characters that cannot be changed once created.
StringBuffer is a mutable sequence of characters that can be modified.
StringBuffer is more efficient when concatenating multiple strings.
StringBuffer is synchronized, while String is not.
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