Java Software Engineer Interview Questions

3,077 java software engineer interview questions shared by candidates

Below are the technical questions asked me during the interview 1. HashMap vs TreeMap 2. Deadlock situation, how do you avoid it ? 3. Multiple Inheritance in java(Diamod Problem) 4. How do you maintain two different Databases in springboot application 5. About Kafka offset(earliest, latest, default configurations) 6. Marker interface in java
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Software Engineer - Java Developer

Interviewed at Synechron

4.1
Jan 8, 2025

Below are the technical questions asked me during the interview 1. HashMap vs TreeMap 2. Deadlock situation, how do you avoid it ? 3. Multiple Inheritance in java(Diamod Problem) 4. How do you maintain two different Databases in springboot application 5. About Kafka offset(earliest, latest, default configurations) 6. Marker interface in java

2nd Round - Technical HR Questions: Core Java - OOPS concepts, Threads, String, Collections, Arrays, Exceptions Spring - Spring MVC framework, Annotations Hibernate - Types of mapping, Lazy loading concept, Cascading, Cache Web Services(RESTful) - REST methods with explanation, about HTTP protocols, request and response
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Software Engineer - Java Developer

Interviewed at Zycus

3.5
Nov 6, 2017

2nd Round - Technical HR Questions: Core Java - OOPS concepts, Threads, String, Collections, Arrays, Exceptions Spring - Spring MVC framework, Annotations Hibernate - Types of mapping, Lazy loading concept, Cascading, Cache Web Services(RESTful) - REST methods with explanation, about HTTP protocols, request and response

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