Skip to contentSkip to footer

Desarrollador De Java Core Interview Questions

Salaries
Interviews

248 desarrollador de java core interview questions shared by candidates

1. what is java polymorphism - how java implements polymorphism? 2. purpose of volatile keyword 3. can top level class be declared static? 4. when is object.finalise method, when is it called? 5. Can we syncronise the static method 6. Can we invoke non static method from static method on same class 7. Producer and consumer pattern explain?? 8. Which design pattern u used in ur projects? 9. Describe heirarchy of exception class 10. Java collection api - describe a few? 11. Describe transient variable 12. Describe final keyword 13. Multithreading - how to create multiple thread, describe how to start new thread 14. Difference between runnable and callable 15. Difference between treemap and hashmap? 16. String, string builder and string buffer differences 17. Java io apis which u used -? 18. Singleton pattern - explain 19. How do you make class singleton.
avatar

Senior Core Java Developer

Interviewed at Citi

3.6★
Jun 25, 2016

1. what is java polymorphism - how java implements polymorphism? 2. purpose of volatile keyword 3. can top level class be declared static? 4. when is object.finalise method, when is it called? 5. Can we syncronise the static method 6. Can we invoke non static method from static method on same class 7. Producer and consumer pattern explain?? 8. Which design pattern u used in ur projects? 9. Describe heirarchy of exception class 10. Java collection api - describe a few? 11. Describe transient variable 12. Describe final keyword 13. Multithreading - how to create multiple thread, describe how to start new thread 14. Difference between runnable and callable 15. Difference between treemap and hashmap? 16. String, string builder and string buffer differences 17. Java io apis which u used -? 18. Singleton pattern - explain 19. How do you make class singleton.

What is JWT and Anatomy of a JWT, how you securing Web API, Rest API concepts, Http methods, what are response code. Design pattern used project. repository and unit of work design pattern . diffrence between hashing and encryption. Despite the fact that the post requires AWS skills, there was no question regarding AWS Cloud.
avatar

AWS Dot net core developer

Interviewed at Everforth Quinnox

4★
Aug 17, 2023

What is JWT and Anatomy of a JWT, how you securing Web API, Rest API concepts, Http methods, what are response code. Design pattern used project. repository and unit of work design pattern . diffrence between hashing and encryption. Despite the fact that the post requires AWS skills, there was no question regarding AWS Cloud.

Viewing 231 - 240 interview questions

Glassdoor has 248 interview questions and reports from Desarrollador de java core interviews. Prepare for your interview. Get hired. Love your job.