Java Senior Interview Questions

6,029 java senior interview questions shared by candidates

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.
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Senior Java Developer

Interviewed at Hexaware Technologies

3.7
May 23, 2026

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.

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