create a singleton object Java & springboot basics
Sr Java Developer Interview Questions
5,526 sr java developer interview questions shared by candidates
Culture: What do you do in your free time?
Most of the questions were related with collections and general logical questions.
Singleton questions on implementation and thread safety of it?
Adobe questions were normal. Some linked list and array programs
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.
Why you choose AcOOPS Concept like (Encapsulation, Inheritance, Exception Handling, Abstraction etc.,), Collections(full structure explanation and sample code for the Hash), Servlet(Process, functionalities), String questions , Arrays and programs to code.centure
Usage of bit wise operators
Have you lead a team before? Do you know the 4 OOP concepts? Do you know how to use generics? (like i said, mostly yes or no)
Core java, Spring and Oracle related questions ( as per my profile)
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