Skip to contentSkip to footer

Sviluppatore Software Java Interview Questions

Salaries
Interviews

4,317 sviluppatore software java interview questions shared by candidates

1. How many oops concept can you apply in single class, 2. How do you manage transactions in microservices, how will you configure 2 database in a single spring boot application 3. SOLID principal 4. stream 5. CRUD controller 6. Design patterns
avatar

Senior Software Engineer - Java

Interviewed at Monocept

3.9★
Sep 12, 2025

1. How many oops concept can you apply in single class, 2. How do you manage transactions in microservices, how will you configure 2 database in a single spring boot application 3. SOLID principal 4. stream 5. CRUD controller 6. Design patterns

Technical Questions : 1. Difference between comparator and comparable ? when would we use comparator ? 2. what is a functional interface? 3. what are different type of data structures you use ? 4. using java 8 convert an array of integers to comma seprated string . 5. difference between array list and linked list ? and which is faster for retrieval? 6. can we use classes as keys in has map ? 7. Singleton prototype in thread. 8. Scope in spring boot ? 9 Do you know patch in spring boot ? 10. when will the dependencies be loaded ? at run time or static time ? 11. If I have two classes with same name what happens ? 12. if I use a concurrent hash map how is it thread safe ? 13. what happens if I try to put a same key in hash map twice ? 14.if i have a custom object as key in hash map how is hash value computed ? 15. what is a method and function level locking ? 16. what are functional interfaces ? 17 . does spring boot use eager or lazy loading ? 18. what is Optional class in spring boot ? 19. what is circular dependency in spring boot.
avatar

Java Software Developer

Interviewed at TSYS|Total System Services

3.6★
Aug 13, 2024

Technical Questions : 1. Difference between comparator and comparable ? when would we use comparator ? 2. what is a functional interface? 3. what are different type of data structures you use ? 4. using java 8 convert an array of integers to comma seprated string . 5. difference between array list and linked list ? and which is faster for retrieval? 6. can we use classes as keys in has map ? 7. Singleton prototype in thread. 8. Scope in spring boot ? 9 Do you know patch in spring boot ? 10. when will the dependencies be loaded ? at run time or static time ? 11. If I have two classes with same name what happens ? 12. if I use a concurrent hash map how is it thread safe ? 13. what happens if I try to put a same key in hash map twice ? 14.if i have a custom object as key in hash map how is hash value computed ? 15. what is a method and function level locking ? 16. what are functional interfaces ? 17 . does spring boot use eager or lazy loading ? 18. what is Optional class in spring boot ? 19. what is circular dependency in spring boot.

Q: Given in input an array of numbers, returns a string with the duplicate values in ascending order separated by a comma as for example "1,2,3". Q: Tell me about Hashcode and Equals? Q: When do you prefer a SQL database over NoSql database and vice versa?
avatar

Senior Software Engineer - Java

Interviewed at Santander

3.8★
Aug 28, 2023

Q: Given in input an array of numbers, returns a string with the duplicate values in ascending order separated by a comma as for example "1,2,3". Q: Tell me about Hashcode and Equals? Q: When do you prefer a SQL database over NoSql database and vice versa?

Viewing 1061 - 1070 interview questions

Glassdoor has 4,317 interview questions and reports from Sviluppatore software java interviews. Prepare for your interview. Get hired. Love your job.