Java Software Developer Interview Questions

4,195 java software developer interview questions shared by candidates

Core Java, Multi-threading, Microservices Design Patterns, SAGA Pattern, CAP theorem, Spring Boot, JPA & Hibernate implementation, solving performance issues in Microservices and optimizing databases. Transaction Management in Microservices.
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Software Engineer - Java Developer

Interviewed at United Airlines

3.8
Jun 7, 2024

Core Java, Multi-threading, Microservices Design Patterns, SAGA Pattern, CAP theorem, Spring Boot, JPA & Hibernate implementation, solving performance issues in Microservices and optimizing databases. Transaction Management in Microservices.

The questions asked where basic Java questions like Overriding, Polymorphism, Abstraction, Interface, Use of Hashcode and equals() method, Serilization concepts. Second interview questions: Here the questions went little deeper in Java like internal structure of hashmap and also questions on sql.
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Java Software Engineer

Interviewed at Cognizant

3.9
Nov 22, 2016

The questions asked where basic Java questions like Overriding, Polymorphism, Abstraction, Interface, Use of Hashcode and equals() method, Serilization concepts. Second interview questions: Here the questions went little deeper in Java like internal structure of hashmap and also questions on sql.

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