Java Software Developer Interview Questions

4,194 java software developer interview questions shared by candidates

What happens when your query gets terminated What does transactional do What is a Singleton, explain the scopes Checked / Unchecked exceptions Equals vs == Abstract class vs Interface What is a HashMap What does @SpringBootApplication do What does Left JOIN do What is a database index How would you optimize a query taking too long What is a @RestController
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Java Software Developer

Interviewed at SWORD GROUP

3.3
Oct 7, 2025

What happens when your query gets terminated What does transactional do What is a Singleton, explain the scopes Checked / Unchecked exceptions Equals vs == Abstract class vs Interface What is a HashMap What does @SpringBootApplication do What does Left JOIN do What is a database index How would you optimize a query taking too long What is a @RestController

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