Pergunta de entrevista da empresa Hexaware Technologies

1. Find longest substring in a string without non repeating chars. 2.Write an API in spring boot and secure it with JWT or OAuth2. 3. Design database schema for an Employee. 4. Client wants to deliver a feature within a month but that wouldn't possible how do you handle the feature. 5. Explain the process of how would you design if a feature comes to deliver as an architect. 6. Polymorphisam, Functional interfaces.