Round 1 - Linked List, SQL - Top 3 records, Design Patterns - Singleton. Round 2 - Singleton - types of singleton. Break SIngleton. Garbage Collect static objects. Collections. Round 3 - Live coding - Spring Boot application - create several REST API's . They would give you an assignment, even if you run it, you could get rejected, because when you code, you code by your way, and you don't know what they are looking for.
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