Can you alk about java collections?
Sr Java Developer Interview Questions
5,299 sr java developer interview questions shared by candidates
When is String pool used? How? Types of creating String object.
Tell me about bean scopes?
Explain me how Java use interface repositories internally (what happens behind the scene)
Build a top-level design for a system responsible of temporary debit card issuance.
Implement money transfer method for java library.
The interview mainly focused on Core Java, SOLID principles, REST APIs, Hibernate/JPA, Microservices architecture, Java 8 and Java 11 features. They also asked several cross-questions and SQL queries.
1. Introduction 2. Project Overview (Flow, Tools, Technologies and Framework) 3. Agile 4. Stream API Question 5. Java 8 Features 6. Multithreading 7. Hashmap internal working and pseudo codes 8. @Transactional in database in details 9. How to handle concurrency in database for multiple parallel transactions 10. Design Patterns 12. Microservices Design Patterns 13. JPA and JDBC Questions 14. Others
Syntax for JDBC connection in spring configuration file.
What is String class? What is mutable class ?
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