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Goldman Sachs

Java Backend Developer

Core Java Concepts Explanation

Medium

ROUND 2general_knowledgeCandidate Selected

Java Hashmap Thread Safety

Explain the following core Java concepts: == vs equals(), the internal workings of HashMap, collision handling (LinkedList vs Tree in Java 8+), load factor (0.75), Java Memory Model, thread safety, and concurrency.

This question was asked in

Goldman Sachs Java Backend Developer Interview Experience

The interview process at Goldman Sachs consisted of five rounds, focusing on diverse topics including data structures, core Java concepts, system design, and behavioral questions. Candidates faced coding challenges in the first two rounds, followed by system design discussions and HR conversations. Overall, the interview experience was moderately challenging, emphasizing technical prowess and the ability to articulate complex concepts.