Sudhanshu Jaiswal

Hey, Iโ€™m Sudhanshu Jaiswal โ€” a Software Engineer passionate about breaking down complex tech into simple, digestible concepts.

๐ŸŽฏ This channel is your go-to place for:
- ๐Ÿ” Interview prep (DSA, LLD, HLD, System Design)
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- ๐Ÿง  Design principles
- ๐Ÿ’ก Real-world debugging
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Whether you're just starting out, switching stacks, or prepping for your next big tech interview โ€” Iโ€™ve got you covered with concise, clear, and practical content.

๐Ÿ“Currently working as a Software Engineer building scalable distributed systems, and sharing everything I learn along the way.

Subscribe and level up your tech game โ€” one byte at a time ๐Ÿ’ปโœจ


Sudhanshu Jaiswal

Interview Questions @ Infosys | Java Developer | Technical Round | Dec 2025 (Reported on 4 Dec)

Q1: Why is String immutable?
Q2: StringBuilder vs StringBuffer
Q3: Differences between List, Set, Map
Q4: What is WeakHashMap?
Q5: Explain OOP principles
Q6: SQL JOIN types
Q7: What is marker interface?

#Java #Infosys #CoreJava #Interviews

1 month ago | [YT] | 1