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Implement LRU Cache / Producer-Consumer / Thread-Safe Singleton Find kth largest element / Merge intervals / Detect cycle in linked list Explain difference between HashMap, ConcurrentHashMap, and Hashtable How does Java Memory Model work (heap, stack, GC generations)? Explain equals() vs hashCode() and why both must be overridden What is immutability? How do you design an immutable class? When would you use CompletableFuture vs threads?
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Tech Lead

Interviewed at Wipro

3.6★
Jan 3, 2026

Implement LRU Cache / Producer-Consumer / Thread-Safe Singleton Find kth largest element / Merge intervals / Detect cycle in linked list Explain difference between HashMap, ConcurrentHashMap, and Hashtable How does Java Memory Model work (heap, stack, GC generations)? Explain equals() vs hashCode() and why both must be overridden What is immutability? How do you design an immutable class? When would you use CompletableFuture vs threads?

Write prompts using few shot and chai of thought for extraction of data from multiple documents (Large Large scale, as he put it). Also, the data was already prechunked (he didn't mention it explicitly) but talked about citations with chunks.
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Gen AI Tech Lead

Interviewed at Tredence

3.9★
Feb 28, 2026

Write prompts using few shot and chai of thought for extraction of data from multiple documents (Large Large scale, as he put it). Also, the data was already prechunked (he didn't mention it explicitly) but talked about citations with chunks.

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