Software Engineer Java Developer Interview Questions

4,188 software engineer java developer interview questions shared by candidates

concepts of threading and exception handling New features in Java 8 Explain the current project in detailed description Questions of why jquery and new features in javascript then real time join query explain in oracle
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Software Engineer - Java Developer

Interviewed at Infosys

3.6
Apr 25, 2024

concepts of threading and exception handling New features in Java 8 Explain the current project in detailed description Questions of why jquery and new features in javascript then real time join query explain in oracle

Technical Questions: 1. Do you use interceptors and filters ? 2. how would you design and endpoint for a url ? 3. different kind of patterns ? 4. connection to db is it singleton ? for every request is a new connection established to db? 5. Why do we need serialization and Deserialization? 6.Why do we need serialize id ? 7. Explain data base connection process ? 8. what do you want to do if you want to create run time object? 9. if you have to explain polymorphism to a non technical person ? how do you do it ? 10. if you have a dictionary what data structure will you use ? 11. if you not a value how will you get the key ? 12. what is factory method ? 13. what are all the annotations that you have used so far ? 14 can I interchange @Repository tag to @Service tag will it throw error ? 15. what all features of spring boot did you use ? 16. what version of spring boot are you using ? 17. did you use exceptors ?
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Java Software Developer

Interviewed at TSYS|Total System Services

3.6
Aug 13, 2024

Technical Questions: 1. Do you use interceptors and filters ? 2. how would you design and endpoint for a url ? 3. different kind of patterns ? 4. connection to db is it singleton ? for every request is a new connection established to db? 5. Why do we need serialization and Deserialization? 6.Why do we need serialize id ? 7. Explain data base connection process ? 8. what do you want to do if you want to create run time object? 9. if you have to explain polymorphism to a non technical person ? how do you do it ? 10. if you have a dictionary what data structure will you use ? 11. if you not a value how will you get the key ? 12. what is factory method ? 13. what are all the annotations that you have used so far ? 14 can I interchange @Repository tag to @Service tag will it throw error ? 15. what all features of spring boot did you use ? 16. what version of spring boot are you using ? 17. did you use exceptors ?

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